Document:

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                                                                     EXHIBIT 4.4

                                 AVANTGO, INC.

             THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND
            ------------------------------------------------------

                               CO-SALE AGREEMENT
                               -----------------

     This Third Amended and Restated Right of First Refusal and Co-Sale
Agreement (the "Agreement") is made and entered into as of March 8, 2000, by and
                ---------
among AvantGo, Inc., a Delaware corporation (the "Company"), and Felix Lin,
                                                  -------
Linus Upson and Rafael Weinstein (the "Founders"), and the holders of Preferred
                                       --------
Stock of the Company listed on Exhibit A hereto (collectively, the "Investors"
                               ---------                            ---------
and individually, an "Investor").
                      --------

                                   RECITALS
                                   --------

     A.  The Company and certain investors (the "Prior Investors") entered into
                                                 ---------------
that certain Second Amended Right of First Refusal and Co-Sale Agreement dated
June 4, 1999 (the "Prior Agreement"), which agreement may be amended with the
                   ---------------
written consent of the Company, the holders of a majority of the Company's
Preferred Stock, and the holders of a majority of the Founders' Shares (as
defined below).

     B.  The Company and certain Investors (the "New Investors") have entered
                                                 -------------
into a Series D Preferred Stock Purchase Agreement (the "Purchase Agreement") of
                                                         ------------------
even date herewith pursuant to which the Company desires to sell to the New
Investors and the New Investors desire to purchase from the Company shares of
the Company's Series D Preferred Stock.  A condition to the New Investors'
obligations under the Purchase Agreement is that the Company, the Founders and
the Prior Investors amend and restate the Prior Agreement as set forth herein in
order to provide the New Investors the opportunity to purchase and/or
participate, upon the terms and conditions set forth in this Agreement, in
subsequent sales by the Founders of shares of the Company's Common Stock (the
"Common Stock").  The Company, the Prior Investors and the Founders each desire
 ------------
to induce the New Investors to purchase shares of Series D Preferred Stock
pursuant to the Purchase Agreement by amending and restating the Prior Agreement
as set forth herein.

                                   AGREEMENT
                                   ---------

     The parties hereby agree as follows:

     1.  Sales by Founders.
         -----------------

         (a) Notice of Sales; Assignment of Company Right of First Refusal.
             -------------------------------------------------------------

             (i) Should any Founder or Permitted Transferee, as defined in
Section 1(f) below propose to accept one or more bona fide offers (collectively,
a "Purchase Offer") from any persons to purchase shares of the Company's Common
   ---------------
Stock (the "Shares") from such Founder (other than as set forth in subsection
            ------
1(e) hereof), such Founder shall promptly deliver a notice (the "Notice") to the
                                                                 ------
Company and each Investor stating the terms and conditions of such Purchase
Offer including, without limitation, the number of shares of the Company's
capital stock to be sold or transferred, the nature of such sale or transfer,
the consideration to be paid, and the name and address of each prospective
purchaser or transferee.  The Notice shall certify that the Founder or Permitted
Transferee has received a

Confidential treatment has been requested for portions of this exhibit. The copy
filed herewith omits the information subject to the confidentiality request.
Omissions are designated as ****. A complete version of this exhibit has been
filed separately with the Securities and Exchange Commision.

                                       1
<PAGE>

firm offer from the prospective transferee(s) and in good faith believes a
binding agreement for the transfer is obtainable on the terms set forth in the
Notice.

             (ii) The Company agrees that in the event that the Company declines
to exercise in full the Right of First Refusal set forth in Section 3 of the
Common Stock Purchase Agreement between such Founder and the Company (the "Right
                                                                           -----
of First Refusal"), the Company will provide each Investor who holds at least
----------------
two hundred thousand (200,000) shares of Preferred Stock or Common Stock
equivalent thereof or at least one hundred thousand (100,000) shares of Series D
Preferred Stock or Common Stock equivalent thereof (each a "Major Investor")
                                                            --------------
with notice of such determination at least fifteen (15) days prior to the end of
the period in which the Right of First Refusal expires under such Common Stock
Purchase Agreement. Each Major Investor shall then have the right, exercisable
by notice prior to the end of such period, to exercise such Right of First
Refusal as the Company's assignee on a pro rata basis (based upon the number of
Conversion Shares (as defined below) held by such Major Investor relative to the
aggregate number of Conversion Shares held by all Major Investors); provided
that if fewer than all Major Investors elect to participate, the Shares that
would otherwise be allocated to non-participating Major Investors shall be
allocated to each participating Major Investor in a manner such that each
participating Major Investor is entitled to purchase at least such Major
Investor's pro rata portion of such unallocated Shares (based upon the number of
Conversion Shares held by all participating Major Investors) or such different
number of shares as the participating Major Investors shall mutually agree. Upon
expiration or exercise of the Right of First Refusal, the Company will provide
notice to all Major Investors as to whether or not the Right of First Refusal
has been exercised by the Company or the Investors.

             (b) Co-Sale Right.  To the extent that the Right of First Refusal
                 -------------
is not exercised in full by the Company or the Major Investors, each Major
Investor shall have the right (the "Co-Sale Right"), exercisable upon written
                                    -------------
notice to the Company within fifteen (15) business days after the expiration of
the Right of First Refusal to participate in such Founder's sale of Shares
pursuant to the specified terms and conditions of such Purchase Offer. To the
extent a Major Investor exercises such Co-Sale Right in accordance with the
terms and conditions set forth below, the number of Shares which such Founder
may sell pursuant to such Purchase Offer shall be correspondingly reduced. The
Co-Sale Right of each Major Investor shall be subject to the following terms and
conditions:

                 (i) Calculation of Shares.  Each Major Investor may sell all or
                     ---------------------
any part of that number of shares of Common Stock of the Company issued or
issuable upon conversion of Preferred Stock or Common Stock received in
connection with any stock dividend, stock split or other reclassification
thereof ("the Conversion Shares") equal to the product obtained by multiplying
          ---------------------
(x) the aggregate number of shares of Common Stock covered by the Purchase Offer
by (y) a fraction, the numerator of which is the number of Conversion Shares at
the time owned by such Major Investor and the denominator of which is the
combined number of Conversion Shares of the Company at the time owned by all
Major Investors and all Founders participating in such sale, including shares
transferred by such Founder to Permitted Transferees (as hereinafter defined) in
accordance herewith. The provisions of this Agreement do not confer any Co-Sale
rights with respect to any shares of Common Stock or other securities held by a
Major Investor that are not Conversion Shares.

                 (ii) Delivery of Certificates.  Each Major Investor may effect
                      ------------------------
its participation in the sale by delivering to the selling Founder for transfer
to the purchase offeror one or more certificates, properly endorsed for
transfer, which represent the number of shares of Preferred Stock, or Common
Stock issued upon conversion thereof, which such Major Investor elects to sell.

                                       2
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             (c) Transfer.  The stock certificate or certificates which the
                 --------
Major Investor delivers to the selling Founder pursuant to Section 1(b) shall be
delivered by such Founder to the purchase offeror in consummation of the sale
pursuant to the terms and conditions specified in the Notice, and such Founder
shall promptly thereafter remit to such Major Investor that portion of the sale
proceeds to which such Major Investor is entitled by reason of its participation
in such sale. To the extent that any prospective purchaser or purchasers
prohibits such assignment or otherwise refuses to purchase shares of capital
stock of the Company from an Investor exercising its Co-Sale Right hereunder,
the selling Founder or Founders shall not sell to such prospective purchaser or
purchasers any shares of Company stock unless and until, simultaneously with
such sale, the selling Founder or Founders shall purchase such shares from such
Major Investor for the same consideration and on the same terms and conditions
as the proposed transfer described in the Notice (which terms and conditions
shall be no less favorable than those governing the sale to the purchaser by the
Founder or Founders).

             (d) Non-Exercise of Rights.  To the extent that the Company, the
                 ----------------------
other Founders and the Major Investors have not exercised their rights to
purchase the Shares within the time periods specified in Section 1(a)(ii) and
the Major Investors have not exercised their Co-Sale Right within the time
period specified in Section 1(b), the Founder shall have a period of ninety (90)
days from the expiration of such rights in which to sell the Shares, as the case
may be, upon terms and conditions (including the purchase price) no more
favorable than those specified in the Notice to the third-party transferees(s)
identified in the Notice. The third-party transferees(s) shall acquire the
Shares subject to the rights of first refusal and co-sale under this Agreement.
In the event the Founder does not consummate the sale or disposition of the
Shares within the ninety (90) day period from the expiration of these rights,
the Company's, the other Founders' and the Major Investors' first refusal rights
and the Major Investors' co-sale right shall continue to be applicable to any
subsequent disposition of the Shares by such Founder until such right lapses in
accordance with the terms of this Agreement.

             (e) No Adverse Effect.  The exercise or non-exercise of the rights
                 -----------------
of the Major Investors hereunder to participate in one or more sales of Shares
made by a Founder shall not adversely affect their rights to participate in
subsequent sales of Common Stock by a Founder.

             (f) Permitted Transactions.  The provisions of Section 1 of this
                 ----------------------
Agreement shall not pertain or apply to:

                 (i)    Any pledge of the Company's Common Stock made by a
Founder pursuant to a bona fide loan transaction which creates a mere security
interest;

                 (ii)   Any repurchase of Common Stock by the Company;

                 (iii)  Any bona fide gift;

                 (iv)   Any transfer to a Founder's ancestors, descendants or
spouse or to a trust for their benefit;

                 (v)    any sale or transfer of shares of Common Stock among the
Founders; or

                 (vi)   any sale or transfer by a Founder of up to 5% of the
total number of shares of Common Stock held by such Founder on the date of this
Agreement in any twelve-month period;

                                       3
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provided, that (x) the Founder(s) shall inform the Major Investors of such
--------
pledge, transfer or gift prior to effecting it, and (y) the pledgee, transferee,
purchaser or donee (collectively, the "Permitted Transferees") shall furnish the
                                       ---------------------
Major Investors with a written agreement to be bound by and comply with all
provisions of this Agreement and the Voting Agreement of the Company dated the
date hereof applicable to the Founders.

     2.   Prohibited Transfers.  Any attempt by a Founder to transfer shares of
          --------------------
the Company in violation of Section 1 hereof shall be void and the Company
agrees it will not effect such a transfer nor will it treat any alleged
transferee as the holder of such shares. In addition to other such remedies as
may be available at law, in equity or hereunder, the Major Investors shall have
the put option provided below, and such Founder (the "Violating Founder") shall
be bound by the applicable provisions of such option.

          (a)  In the event of a Prohibited Transfer, each Major Investor shall
have the right to sell to the Violating Founder its pro rata portion of the type
and number of Shares equal to the number of shares such Major Investor would
have been entitled to transfer to the third-party transferee(s) under Section
1(b) hereof had the Prohibited Transfer been effected pursuant to and in
compliance with the terms hereof. Such sale shall be made on the following terms
and conditions:

               (i)   The price per share at which the shares are to be sold to
the Violating Founder shall be equal to the price per share paid by the third-
party transferees(s) to such Founder in the Prohibited Transfer. The Violating
Founder shall also reimburse each Major Investor for any and all reasonable fees
and expenses, including reasonable legal fees and expenses, incurred pursuant to
the exercise or the attempted exercise of the Investor's rights under Section
1(b).

               (ii)  Within thirty (30) days after the later of the dates on
which the Major Investor (A) received notice of the Prohibited Transfer or (B)
otherwise became aware of the Prohibited Transfer, each Major Investor shall, if
exercising the option created hereby, deliver to the Violating Founder the
certificate or certificates representing shares to be sold, each certificate to
be properly endorsed for transfer.

               (iii) The Violating Founder shall, upon receipt of the
certificate or certificates for the shares to be sold by a Major Investor
pursuant to this Section 2, pay the aggregate purchase price therefor and the
amount of reimbursable fees and expenses, as specified in Section 2.1(b)(i)
above, in cash or by other means reasonably acceptable to the Major Investor.

               (iv)  Notwithstanding the foregoing, any attempt by the Violating
Founder to transfer Shares in violation of Section 1 hereof shall be void and
the Company agrees it will not effect such a transfer nor will it treat any
alleged transferees(s) as the owner of such shares without the written consent
of the Major Investors.

     3.   Legended Certificates.  Each certificate representing shares of the
          ---------------------
Common Stock of the Company now or hereafter owned by the Founders or issued to
any Permitted Transferee pursuant to Section 1(e) shall be endorsed with the
following legend:

          "THE SALE, PLEDGE, HYPOTHECATION OR TRANSFER OF THE SECURITIES
          REPRESENTED BY THIS CERTIFICATE IS SUBJECT TO THE TERMS AND CONDITIONS
          OF A CERTAIN RIGHT OF FIRST REFUSAL AND CO-SALE AGREEMENT BY AND
          BETWEEN THE STOCKHOLDER, THE CORPORATION AND CERTAIN HOLDERS OF COMMON
          AND PREFERRED STOCK OF THE CORPORATION.  COPIES

                                       4
<PAGE>

          OF SUCH AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST TO THE
          SECRETARY OF THE CORPORATION."

     The foregoing legend shall be removed upon termination of this Agreement in
accordance with the provisions of Section 4(a).

     4.   Miscellaneous Provisions.
          ------------------------

          (a) Termination.  This Agreement shall terminate upon the earliest to
              -----------
occur of any one of the following events (and shall not apply to any transfer by
a Founder in connection with any such event):

              (i)   The liquidation, dissolution or indefinite cessation of the
business operations of the Company;

              (ii)  The execution by the Company of a general assignment for the
benefit of creditors or the appointment of a receiver or trustee to take
possession of the property and assets of the Company;

              (iii) The closing of the Company's initial public offering of
securities; or

              (iv)  The closing of any acquisition, merger, reorganization or
other transaction which results in the stockholders of the Company immediately
prior to such transaction owning less than 50% of the Company's voting stock
immediately after such transaction.

          (b) Removal of Legend.  At any time after the termination of this
              -----------------
Agreement, any holder of a stock certificate legended pursuant to Section 3 may
surrender such certificate to the Company for removal of such legend, and the
Company shall duly reissue a new certificate without the legend.

          (c) Notices.  Any notice required or permitted by this Agreement shall
              -------
be in writing and shall be deemed sufficient on the date of delivery, when
delivered personally or by overnight courier or sent by telegram or fax, or
forty-eight (48) hours after being deposited in the U.S. mail, as certified or
registered mail, with postage prepaid, and addressed to the party to be notified
at such party's address as set forth below or on Exhibit A hereto, or as
                                                 ---------
subsequently modified by written notice.

          (d) Successors and Assigns.  This Agreement and the rights and
              ----------------------
obligations of the parties hereunder shall inure to the benefit of, and be
binding upon, their respective successors, assigns and legal representatives.
The rights of the Investors hereunder shall be assignable (but only with all
related obligations) by an Investor: (i)  to a transferee or assignee who holds
or would hold, after giving effect to the transfer, a sufficient number of
shares so as to qualify as a Major Investor; and (ii) with the Company's prior
written consent, which consent shall not be unreasonably withheld, to a
transferee or assignee of such securities that is a current or former
constituent partner, Affiliate (as defined under Rule 405 pursuant to the Act)
or member of a Holder and who holds or would hold, after giving effect to the
transfer, the lesser of (A) at least fifty thousand (50,000) shares of such
securities; or (B) all of such securities then held by such transferee.

          (e) Severability.  If one or more provisions of this Agreement are
              ------------
held to be unenforceable under applicable law, the parties agree to renegotiate
such provision in good faith.  In the event that the parties cannot reach a
mutually agreeable and enforceable replacement for such provision,

                                       5
<PAGE>

then (i) such provision shall be excluded from this Agreement, (ii) the balance
of the Agreement shall be interpreted as if such provision were so excluded and
(iii) the balance of the Agreement shall be enforceable in accordance with its
terms.

          (f) Modifications and Amendments.  Any term hereof may be amended or
              ----------------------------
waived with the written consent of the Company, holders of at least a majority
of the Preferred Stock, and holders of a majority of the Founders' Shares (or
their respective successors and assigns) voting together as a class; provided
that if such amendment adversely affects the Preferred Stock held by a non-
consenting holder in a manner different than Preferred Stock issued to the
Investors, then such amendment shall require the consent of such adversely-
affected holder.  Any amendment or waiver effected in accordance with this
Section 4(e) shall be binding upon the Company, the holders of Preferred Stock
and any holder of Founders' Shares, and each of their respective successors and
assigns.

          (g) Attorney's Fees.  If any action at law or in equity (including
              ---------------
arbitration) is necessary to enforce or interpret the terms of any of the
Agreements, the prevailing party shall be entitled to reasonable attorney's
fees, costs and necessary disbursements in addition to any other relief to which
such party may be entitled.

          (h) Governing Law.  This Agreement and all acts and transactions
              -------------
pursuant hereto and the rights and obligations of the parties hereto shall be
governed, construed and interpreted in accordance with the laws of the State of
California, without giving effect to principles of conflicts of law.

          (i) Counterparts.  This Agreement may be executed in two or more
              ------------
counterparts, each of which shall be deemed an original and all of which
together shall constitute one and the same instrument.

          (j) Further Assurances.  Each of the parties hereto agrees to execute
              ------------------
such other and further certificates, instruments and other documents as may be
reasonably necessary and proper to implement the transactions contemplated by
this Agreement.

                            [Signature Page Follows]

                                       6
<PAGE>

     The parties have executed this Third Amended and Restated Right of First
Refusal and Co-Sale Agreement as of the date first above written.

                                    COMPANY:

                                    AVANTGO, INC.

                                    By:  /s/ Richard Owen
                                         ---------------------------------------
                                           Richard Owen,
                                           Chief Executive Officer
                                    Address:  1700 South Amphlett Boulevard
                                           Suite 300
                                           San Mateo, CA  94402

                                    INVESTOR:

                                    Ford Motor Company
                                    --------------------------------------------
                                    (Name)

                                    By: /s/ Kathryn S. Lamping
                                        ----------------------------------------

                                    Name: Kathryn S. Lamping
                                          --------------------------------------

                                    Title:  Assistant Secretary

                                    Address: 1 American Road
                                             -----------------------------------
                                    Dearborn, MI 48126-2798
                                    --------------------------------------------
                                    Fax:  [******]
                                          --------------------------------------

                                    INVESTOR:

                                    Imagine Health, Inc
                                    -------------------------------------------
                                    (Name)

                                    By: /s/ William J. Dawson
                                        ---------------------------------------

                                    Name: William J. Dawson
                                          -------------------------------------

                                    Title: Vice President

                                    Address: c/o McKesson HBOC, Inc.
                                             -----------------------------------

                                    One Post Street, San Francisco, CA  94104
                                    --------------------------------------------
                                    Fax:  [******]
                                          -------------------------------------

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT

****** Certain information on this page has been omitted and filed separately
with the Securities and Exchange Commission. Confidential treatment has been
requested with respect to the omitted portions.

                                       7
<PAGE>

                                    INVESTOR:

                                    American Express Travel Related Services
                                    --------------------------------------------
                                    Company, Inc.,
                                    -------------------------------------------
                                    (Name)

                                    By: /s/ Pierric Beckert
                                        ---------------------------------------

                                    Name: Pierric Beckert
                                          -------------------------------------

                                    Title: SVP, Interactive Investments

                                    Address: 200 Vesey Street, 31/st/ Floor
                                             ----------------------------------

                                    New York, NY  10285-3116
                                    -------------------------------------------
                                    Fax:  [******]
                                          -------------------------------------

                                    INVESTOR:

                                    Pinnacle Ventures
                                    -------------------------------------------
                                    (Name)

                                    By: /s/ Christopher J. Schaepe
                                        ----------------------------------------

                                    Name: Christopher J. Schaepe
                                          --------------------------------------

                                    Title: Principal

                                    Address: 373 First Street
                                             -----------------------------------

                                    Los Altos, CA  94022
                                    --------------------------------------------
                                    Fax: [******]
                                         ---------------------------------------

                                    INVESTOR:

                                    Adobe Ventures II, L.P.
                                    ------------------------------------------
                                    (Name)

                                    By: /s/ Jackie Berterretche
                                        ---------------------------------------

                                    Name: Jackie Berterretche
                                         --------------------------------------

                                    Title: Attorney-in-Fact

                                    Address: One Bush Street
                                             ----------------------------------

                                    San Francisco, CA  94104
                                    --------------------------------------------
                                    Fax: [******]
                                         ---------------------------------------

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT

****** Certain information on this page has been omitted and filed separately
with the Securities and Exchange Commission. Confidential treatment has been
requested with respect to the omitted portions.
<PAGE>

                                    INVESTOR:

                                    H&Q AvantGo Investors, L.P.
                                    -------------------------------------------
                                    (Name)

                                    By: H&Q Management Corp.
                                        ----------------------------------------

                                    Name: /s/ Jackie Berterretche
                                          --------------------------------------

                                    Title: Attorney-in-Fact

                                    Address: One Bush Street
                                             -----------------------------------

                                    San Francisco, CA  94104
                                    --------------------------------------------
                                    Fax: [******]
                                         ---------------------------------------

                                    INVESTOR:

                                    Jeffrey T. Webber
                                    --------------------------------------------
                                    (Name)

                                    By: /s/ Jeffrey T. Webber
                                        ----------------------------------------

                                    Name: Jeffrey T. Webber
                                          --------------------------------------

                                    Title:

                                    Address: 1717 Embarcadero Road, Suite 2000,
                                             -----------------------------------
                                    Palo Alto, CA  94303
                                    --------------------------------------------
                                    Fax:________________________________________

                                    INVESTOR:

                                    Sleepy Hollow Investment Partnership, L.P.
                                    -------------------------------------------
                                    (Name)

                                    By: Fayez Sarofim Investment Partnership No.
                                        ----------------------------------------
                                    5, L.P.
                                    --------------------------------------------

                                    Name: /s/ Raye G. White
                                          --------------------------------------

                                    Title: Executive Vice President of the
                                    Managing General Partner, FSI No. 2
                                    Corporation

                                    Address: P.O. Box 52830
                                             -----------------------------------

                                    Houston, TX  77052-2830
                                    --------------------------------------------
                                    Fax: [******]
                                         ---------------------------------------

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT

****** Certain information on this page has been omitted and filed separately
with the Securities and Exchange Commission. Confidential treatment has been
requested with respect to the omitted portions.
<PAGE>

                                    INVESTOR:

                                    Joseph F. Brilando
                                    --------------------------------------------
                                    (Name)

                                    By: /s/ Joseph F. Brilando.
                                        ----------------------------------------

                                    Name: Joseph F. Brilando
                                          --------------------------------------

                                    Title:

                                    Address: [******]
                                             ----------------------------------
                                    Fax: [******]
                                         ---------------------------------------

                                    INVESTOR:

                                    C. Woodrow Rea Jr.
                                    --------------------------------------------
                                    (Name)

                                    By: /s/ C. Woodrow Rea Jr.
                                        ----------------------------------------

                                    Name: C. Woodrow Rea Jr.
                                          --------------------------------------

                                    Title:

                                    Address: [******]
                                             -----------------------------------
                                    [******]
                                    --------------------------------------------
                                    Fax: [******]
                                         ---------------------------------------

                                    INVESTOR:

                                    RBW Investments, LLC
                                    --------------------------------------------
                                    (Name)

                                    By: BW Management, LLC, its General Partner
                                        ---------------------------------------

                                    Name: /s/ Joseph F. Brilando
                                          --------------------------------------
                                    Title: Managing Director

                                    Address: [******]
                                             ----------------------------------
                                    [******]
                                    -------------------------------------------
                                    Fax: [******]
                                         --------------------------------------

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT

****** Certain information on this page has been omitted and filed separately
with the Securities and Exchange Commission. Confidential treatment has been
requested with respect to the omitted portions.
<PAGE>

                                    INVESTOR:

                                    The Entrepreneurs' Fund II, L.P.
                                    --------------------------------------------
                                    (Name)

                                    By: BW Management II, LLC, its General
                                    --------------------------------------------
                                    Partner
                                    --------------------------------------------
                                    Name: /s/ C. Woodrow Rea Jr.
                                          --------------------------------------

                                    Title: Managing Director

                                    Address: 1717 Embarcadero Road, Suite 2000,
                                             ----------------------------------
                                    Palo Alto, CA  94303
                                    --------------------------------------------
                                    Fax: [******]
                                         ---------------------------------------

                                    INVESTOR:

                                    The Entrepreneurs' Fund, L.P.
                                    --------------------------------------------
                                    (Name)

                                    By: BW Management II, LLC, its General
                                        ----------------------------------------
                                    Partner
                                    --------------------------------------------

                                    Name: /s/ Joseph F. Brilando
                                          --------------------------------------

                                    Title: Managing Director

                                    Address: 1717 Embarcadero Road, Suite 2000,
                                             ----------------------------------
                                    Palo Alto, CA  94303
                                    --------------------------------------------

                                    Fax: [******]
                                         ---------------------------------------

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT

****** Certain information on this page has been omitted and filed separately
with the Securities and Exchange Commission. Confidential treatment has been
requested with respect to the omitted portions.
<PAGE>

                                    INVESTOR:

                                    21st Century Internet Fund
                                    --------------------------------------------
                                    (Name)

                                    By: /s/ Peter Zeibelman
                                        ----------------------------------------

                                    Name: Peter Zeibelman
                                          --------------------------------------

                                    Title:

                                    Address:
                                            ------------------------------------

                                    Fax:
                                            ------------------------------------

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT

<PAGE>

                                    THE GOLDMAN SACHS GROUP, INC.

                                    By:  /s/ Richard Friedman
                                         ---------------------------------------

                                    Name: Richard Friedman
                                          --------------------------------------

                                    Title: Vice President
                                           -------------------------------------

                                    STONE STREET FUND 2000, L.P.
                                    By: Stone Street 2000, L.L.C., its general
                                    partner

                                    By:  /s/ Richard Friedman
                                         ---------------------------------------

                                    Name: Richard Friedman
                                          --------------------------------------

                                    Title: Vice President
                                           -------------------------------------

                                    BRIDGE STREET SPECIAL OPPORTUNITIES FUND
                                    2000, L.P.
                                    By:  Bridge Street Special Opportunities
                                    2000, L.L.C., it general partner

                                    By:  /s/ Richard Friedman
                                         ---------------------------------------

                                    Name: Richard Friedman
                                          --------------------------------------

                                    Title: Vice President
                                          --------------------------------------

                                    GOLDMAN SACHS INVESTMENTS LIMITED

                                    By:  /s/ Jenny Truzzano
                                         ---------------------------------------

                                    Name: Jenny Truzzano
                                          --------------------------------------

                                    Title: Vice President
                                           -------------------------------------

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT

<PAGE>

PRIOR INVESTORS:

<TABLE>
<CAPTION>
<C>                                                        <S>
21ST CENTURY INTERNET FUND, L.P.                           ADOBE VENTURES II, L.P.
By: 21st Century Internet Management
Partners, LLC                                              By: Adobe Venture Management II, LLC,
                                                           Its General Partner

/s/ Peter H. Zeibelman
-----------------------------------------------            /s/ Jackie Berterretche
Peter H. Ziebelman, Member                                 -----------------------------------------
                                                           Jackie Berterretche, Attorney-in-Fact

                                                           _________________________________________
SLEEPY HOLLOW INVESTMENT PARTNERSHIP, L.P.                 H&Q AVANTGO INVESTORS, L.P.
By: Fayez Sarofim Investment Partnership No. 5,
 L.P., it's General Partner

                                                           By:  H&Q Management Corp.,
By: /s/ Alice M. Youngblood                                Its General Partner
Alice M. Youngblood
Officer of General Partner's
Managing General Partner, FSI                              /s/ Jackie Berterretche
No. 2 Corporation                                          -----------------------------------------
                                                           Jackie Berterretche, Attorney-in-Fact

/s/ Felix Lin                                              /s/ Linus Upson
----------------------------------------------             -----------------------------------------
FELIX LIN                                                  LINUS UPSON

/s/ David Moore
---------------------------------------------
DAVID MOORE
</TABLE>

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT
<PAGE>

FOUNDERS:

/s/ Felix Lin
---------------------------------------------
Felix Lin

Address:  [******]
          [******]

/s/ Linus Upson
---------------------------------------------
Linus Upson

Address:  [******]
          [******]

/s/ Rafael Weinstein
---------------------------------------------
Rafael Weinstein

Address:  [******]
          [******]

SIGNATURE PAGE TO THIRD AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE
                                   AGREEMENT

****** Certain information on this page has been omitted and filed separately
with the Securities and Exchange Commission. Confidential treatment has been
requested with respect to the omitted portions.<PAGE>

                                                                    Exhibit 10.1

                           INDEMNIFICATION AGREEMENT
                           -------------------------

     This Indemnification Agreement (the "Agreement") is made as of ((Date)), by
                                          ---------
and between AvantGo, Inc., a Delaware corporation (the "Company"), and ((Name))
                                                        -------
(the "Indemnitee").
      ----------

                                   RECITALS
                                   --------

     The Company and Indemnitee recognize the increasing difficulty in obtaining
directors' and officers' liability insurance, the significant increases in the
cost of such insurance and the general reductions in the coverage of such
insurance. The Company and Indemnitee further recognize the substantial increase
in corporate litigation in general, subjecting officers and directors to
expensive litigation risks at the same time as the availability and coverage of
liability insurance has been severely limited. Indemnitee does not regard the
current protection available as adequate under the present circumstances, and
Indemnitee and other officers and directors of the Company may not be willing to
continue to serve as officers and directors without additional protection. The
Company desires to attract and retain the services of highly qualified
individuals, such as Indemnitee, to serve as officers and directors of the
Company and to indemnify its officers and directors so as to provide them with
the maximum protection permitted by law.

                                   AGREEMENT
                                   ---------

     In consideration of the mutual promises made in this Agreement, and for
other good and valuable consideration, receipt of which is hereby acknowledged,
the Company and Indemnitee hereby agree as follows:

     1.   Indemnification.
          ---------------

          (a)  Third Party Proceedings.  The Company shall indemnify Indemnitee
               -----------------------
if Indemnitee is or was a party or is threatened to be made a party to any
threatened, pending or completed action, suit or proceeding, whether civil,
criminal, administrative or investigative (other than an action by or in the
right of the Company) by reason of the fact that Indemnitee is or was a
director, officer, employee or agent of the Company, or any subsidiary of the
Company, by reason of any action or inaction on the part of Indemnitee while an
officer or director or by reason of the fact that Indemnitee is or was serving
at the request of the Company as a director, officer, employee or agent of
another corporation, partnership, joint venture, trust or other enterprise,
against expenses (including attorneys' fees), judgments, fines and amounts paid
in settlement (if such settlement is approved in advance by the Company, which
approval shall not be unreasonably withheld) actually and reasonably incurred by
Indemnitee in connection with such action, suit or proceeding if Indemnitee
acted in good faith and in a manner Indemnitee reasonably believed to be in or
not opposed to the best interests of the Company, and, with respect to any
criminal action or proceeding, had no reasonable cause to believe Indemnitee's
conduct was unlawful. The termination of any action, suit or proceeding by
judgment, order, settlement, conviction, or upon a plea of nolo contendere or
its equivalent, shall not, of itself, create a presumption that Indemnitee did
not act in good faith and in a manner which Indemnitee
<PAGE>

reasonably believed to be in or not opposed to the best interests of the
Company, or, with respect to any criminal action or proceeding, that Indemnitee
had reasonable cause to believe that Indemnitee's conduct was unlawful.

          (b)  Proceedings By or in the Right of the Company.  The Company shall
               ---------------------------------------------
indemnify Indemnitee if Indemnitee was or is a party or is threatened to be made
a party to any threatened, pending or completed action or proceeding by or in
the right of the Company or any subsidiary of the Company to procure a judgment
in its favor by reason of the fact that Indemnitee is or was a director,
officer, employee or agent of the Company, or any subsidiary of the Company, by
reason of any action or inaction on the part of Indemnitee while an officer or
director or by reason of the fact that Indemnitee is or was serving at the
request of the Company as a director, officer, employee or agent of another
corporation, partnership, joint venture, trust or other enterprise, against
expenses (including attorneys' fees) and, to the fullest extent permitted by
law, amounts paid in settlement (if such settlement is approved in advance by
the Company, which approval shall not be unreasonably withheld), in each case to
the extent actually and reasonably incurred by Indemnitee in connection with the
defense or settlement of such action or suit if Indemnitee acted in good faith
and in a manner Indemnitee reasonably believed to be in or not opposed to the
best interests of the Company and its stockholders, except that no
indemnification shall be made in respect of any claim, issue or matter as to
which Indemnitee shall have been finally adjudicated by court order or judgment
to be liable to the Company in the performance of Indemnitee's duty to the
Company and its stockholders unless and only to the extent that the court in
which such action or proceeding is or was pending shall determine upon
application that, in view of all the circumstances of the case, Indemnitee is
fairly and reasonably entitled to indemnity for such expenses which such court
shall deem proper.

          (c)  Mandatory Payment of Expenses.  To the extent that Indemnitee has
               -----------------------------
been successful on the merits or otherwise in defense of any action, suit or
proceeding referred to in Section 1(a) or Section 1(b) or the defense of any
claim, issue or matter therein, Indemnitee shall be indemnified against expenses
(including attorneys' fees) actually and reasonably incurred by Indemnitee in
connection therewith.

     2.   No Employment Rights.  Nothing contained in this Agreement is intended
          --------------------
to create in Indemnitee any right to continued employment.

     3.   Expenses; Indemnification Procedure.
          -----------------------------------

          (a)  Advancement of Expenses.  The Company shall advance all expenses
               -----------------------
incurred by Indemnitee in connection with the investigation, defense, settlement
or appeal of any civil or criminal action, suit or proceeding referred to in
Section l(a) or Section 1(b) hereof (including amounts actually paid in
settlement of any such action, suit or proceeding). Indemnitee hereby undertakes
to repay such amounts advanced only if, and to the extent that, it shall
ultimately be determined that Indemnitee is not entitled to be indemnified by
the Company as authorized hereby. Any advances to be made under this Agreement
shall be paid by the Company to Indemnitee within twenty (20) days following
delivery of a written request therefor by Indemnitee to the Company.

                                      -2-
<PAGE>

          (b)  Notice/Cooperation by Indemnitee.  Indemnitee shall, as a
               --------------------------------
condition precedent to his or her right to be indemnified under this Agreement,
give the Company notice in writing as soon as practicable of any claim made
against Indemnitee for which indemnification will or could be sought under this
Agreement. Notice to the Company shall be directed to the Chief Executive
Officer of the Company at the address shown on the signature page of this
Agreement (or such other address as the Company shall designate in writing to
Indemnitee). Notice shall be deemed received on the third business day after the
date postmarked if sent by domestic certified or registered mail, properly
addressed; otherwise notice shall be deemed received when such notice shall
actually be received by the Company. In addition, Indemnitee shall give the
Company such information and cooperation as it may reasonably require and as
shall be within Indemnitee's power.

          (c)  Procedure.  Any indemnification and advances provided for in
               ---------
Section 1 and this Section 3 shall be made no later than forty-five (45) days
after receipt of the written request of Indemnitee. If a claim under this
Agreement, under any statute, or under any provision of the Company's
Certificate of Incorporation or Bylaws providing for indemnification, is not
paid in full by the Company within forty-five (45) days after a written request
for payment thereof has first been received by the Company, Indemnitee may, but
need not, at any time thereafter bring an action against the Company to recover
the unpaid amount of the claim and, subject to Section 11 of this Agreement,
Indemnitee shall also be entitled to be paid for the expenses (including
attorneys' fees) of bringing such action. It shall be a defense to any such
action (other than an action brought to enforce a claim for expenses incurred in
connection with any action, suit or proceeding in advance of its final
disposition) that Indemnitee has not met the standards of conduct which make it
permissible under applicable law for the Company to indemnify Indemnitee for the
amount claimed, but the burden of proving such defense shall be on the Company
and Indemnitee shall be entitled to receive interim payments of expenses
pursuant to Section 3(a) unless and until such defense may be finally
adjudicated by court order or judgment from which no further right of appeal
exists. It is the parties' intention that if the Company contests Indemnitee's
right to indemnification, the question of Indemnitee's right to indemnification
shall be for the court to decide, and neither the failure of the Company
(including its Board of Directors, any committee or subgroup of the Board of
Directors, independent legal counsel, or its stockholders) to have made a
determination that indemnification of Indemnitee is proper in the circumstances
because Indemnitee has met the applicable standard of conduct required by
applicable law, nor an actual determination by the Company (including its Board
of Directors, any committee or subgroup of the Board of Directors, independent
legal counsel, or its stockholders) that Indemnitee has not met such applicable
standard of conduct, shall create a presumption that Indemnitee has or has not
met the applicable standard of conduct.

          (d)  Notice to Insurers. If, at the time of the receipt of a notice of
               ------------------
a claim pursuant to Section 3(b) hereof, the Company has director and officer
liability insurance in effect, the Company shall give prompt notice of the
commencement of such proceeding to the insurers in accordance with the
procedures set forth in the respective policies. The Company shall thereafter
take all necessary or desirable action to cause such insurers to pay, on behalf
of the Indemnitee, all amounts payable as a result of such proceeding in
accordance with the terms of such policies.

                                      -3-
<PAGE>

          (e)  Selection of Counsel. In the event the Company shall be obligated
               --------------------
under Section 3(a) hereof to pay the expenses of any proceeding against
Indemnitee, the Company, if appropriate, shall be entitled to assume the defense
of such proceeding, with counsel approved by Indemnitee, upon the delivery to
Indemnitee of written notice of its election so to do. After delivery of such
notice, approval of such counsel by Indemnitee and the retention of such counsel
by the Company, the Company will not be liable to Indemnitee under this
Agreement for any fees of counsel subsequently incurred by Indemnitee with
respect to the same proceeding, provided that (i) Indemnitee shall have the
right to employ counsel in any such proceeding at Indemnitee's expense; and (ii)
if (A) the employment of counsel by Indemnitee has been previously authorized by
the Company, (B) Indemnitee shall have reasonably concluded that there may be a
conflict of interest between the Company and Indemnitee in the conduct of any
such defense or (C) the Company shall not, in fact, have employed counsel to
assume the defense of such proceeding, then the fees and expenses of
Indemnitee's counsel shall be at the expense of the Company.

     4.   Additional Indemnification Rights; Nonexclusivity.
          -------------------------------------------------

          (a)  Scope. Notwithstanding any other provision of this Agreement, the
               -----
Company hereby agrees to indemnify the Indemnitee to the fullest extent
permitted by law, notwithstanding that such indemnification is not specifically
authorized by the other provisions of this Agreement, the Company's Certificate
of Incorporation, the Company's Bylaws or by statute. In the event of any
change, after the date of this Agreement, in any applicable law, statute, or
rule which expands the right of a Delaware corporation to indemnify a member of
its board of directors or an officer, such changes shall be deemed to be within
the purview of Indemnitee's rights and the Company's obligations under this
Agreement. In the event of any change in any applicable law, statute or rule
which narrows the right of a Delaware corporation to indemnify a member of its
board of directors or an officer, such changes, to the extent not otherwise
required by such law, statute or rule to be applied to this Agreement shall have
no effect on this Agreement or the parties' rights and obligations hereunder.

          (b)  Nonexclusivity.  The indemnification provided by this Agreement
               --------------
shall not be deemed exclusive of any rights to which Indemnitee may be entitled
under the Company's Certificate of Incorporation, its Bylaws, any agreement, any
vote of stockholders or disinterested members of the Company's Board of
Directors, the General Corporation Law of the State of Delaware, or otherwise,
both as to action in Indemnitee's official capacity and as to action in another
capacity while holding such office. The indemnification provided under this
Agreement shall continue as to Indemnitee for any action taken or not taken
while serving in an indemnified capacity even though he may have ceased to serve
in an such capacity at the time of any action, suit or other covered proceeding.

     5.   Partial Indemnification. If Indemnitee is entitled under any provision
          -----------------------
of this Agreement to indemnification by the Company for some or a portion of the
expenses, judgments, fines or penalties actually or reasonably incurred in the
investigation, defense, appeal or settlement of any civil or criminal action,
suit or proceeding, but not, however, for the total amount thereof, the Company
shall nevertheless indemnify Indemnitee for the portion of such expenses,
judgments, fines or penalties to which Indemnitee is entitled.

                                      -4-
<PAGE>

     6.   Mutual Acknowledgment.  Both the Company and Indemnitee acknowledge
          ---------------------
that in certain instances, Federal law or public policy may override applicable
state law and prohibit the Company from indemnifying its directors and officers
under this Agreement or otherwise.  For example, the Company and Indemnitee
acknowledge that the Securities and Exchange Commission (the "SEC") has taken
                                                              ---
the position that indemnification is not permissible for liabilities arising
under certain federal securities laws, and federal legislation prohibits
indemnification for certain ERISA violations. Indemnitee understands and
acknowledges that the Company has undertaken or may be required in the future to
undertake with the SEC to submit the question of indemnification to a court in
certain circumstances for a determination of the Company's right under public
policy to indemnify Indemnitee.

     7.   Officer and Director Liability Insurance. The Company shall, from time
          ----------------------------------------
to time, make the good faith determination whether or not it is practicable for
the Company to obtain and maintain a policy or policies of insurance with
reputable insurance companies providing the officers and directors of the
Company with coverage for losses from wrongful acts, or to ensure the Company's
performance of its indemnification obligations under this Agreement. Among other
considerations, the Company will weigh the costs of obtaining such insurance
coverage against the protection afforded by such coverage. In all policies of
director and officer liability insurance, Indemnitee shall be named as an
insured in such a manner as to provide Indemnitee the same rights and benefits
as are accorded to the most favorably insured of the Company's directors, if
Indemnitee is a director; or of the Company's officers, if Indemnitee is not a
director of the Company but is an officer; or of the Company's key employees, if
Indemnitee is not an officer or director but is a key employee. Notwithstanding
the foregoing, the Company shall have no obligation to obtain or maintain such
insurance if the Company determines in good faith that such insurance is not
reasonably available, if the premium costs for such insurance are
disproportionate to the amount of coverage provided, if the coverage provided by
such insurance is limited by exclusions so as to provide an insufficient
benefit, or if Indemnitee is covered by similar insurance maintained by a parent
or subsidiary of the Company.

     8.   Severability. Nothing in this Agreement is intended to require or
          ------------
shall be construed as requiring the Company to do or fail to do any act in
violation of applicable law. The Company's inability, pursuant to court order,
to perform its obligations under this Agreement shall not constitute a breach of
this Agreement. The provisions of this Agreement shall be severable as provided
in this Section 8. If this Agreement or any portion hereof shall be invalidated
on any ground by any court of competent jurisdiction, then the Company shall
nevertheless indemnify Indemnitee to the full extent permitted by any applicable
portion of this Agreement that shall not have been invalidated, and the balance
of this Agreement not so invalidated shall be enforceable in accordance with its
terms.

     9.   Exceptions.  Any other provision herein to the contrary
          ----------
notwithstanding, the Company shall not be obligated pursuant to the terms of
this Agreement:

          (a)  Claims Initiated by Indemnitee.  To indemnify or advance expenses
               ------------------------------
to Indemnitee with respect to proceedings or claims initiated or brought
voluntarily by Indemnitee and not by way of defense, except with respect to
proceedings brought to establish or enforce a right to indemnification under
this Agreement or any other statute or law or otherwise as required

                                      -5-
<PAGE>

under Section 145 of the Delaware General Corporation Law, but such
indemnification or advancement of expenses may be provided by the Company in
specific cases if the Board of Directors finds it to be appropriate;

          (b)  Lack of Good Faith.  To indemnify Indemnitee for any expenses
               ------------------
incurred by Indemnitee with respect to any proceeding instituted by Indemnitee
to enforce or interpret this Agreement, if a court of competent jurisdiction
determines that each of the material assertions made by Indemnitee in such
proceeding was not made in good faith or was frivolous;

          (c)  Insured Claims.  To indemnify Indemnitee for expenses or
               --------------
liabilities of any type whatsoever (including, but not limited to, judgments,
fines, ERISA excise taxes or penalties, and amounts paid in settlement) to the
extent such expenses or liabilities have been paid directly to Indemnitee by an
insurance carrier under a policy of officers' and directors' liability insurance
maintained by the Company; or

          (d)  Claims under Section 16(b).  To indemnify Indemnitee for expenses
               --------------------------
or the payment of profits arising from the purchase and sale by Indemnitee of
securities in violation of Section 16(b) of the Securities Exchange Act of 1934,
as amended, or any similar successor statute.

     10.  Construction of Certain Phrases.
          -------------------------------

          (a)  For purposes of this Agreement, references to the "Company" shall
                                                                  -------
include, in addition to the resulting corporation, any constituent corporation
(including any constituent of a constituent) absorbed in a consolidation or
merger which, if its separate existence had continued, would have had power and
authority to indemnify its directors, officers, and employees or agents, so that
if Indemnitee is or was a director, officer, employee or agent of such
constituent corporation, or is or was serving at the request of such constituent
corporation as a director, officer, employee or agent of another corporation,
partnership, joint venture, trust or other enterprise, Indemnitee shall stand in
the same position under the provisions of this Agreement with respect to the
resulting or surviving corporation as Indemnitee would have with respect to such
constituent corporation if its separate existence had continued.

          (b)  For purposes of this Agreement, references to "other enterprises"
                                                              -----------------
shall include employee benefit plans; references to "fines" shall include any
                                                     -----
excise taxes assessed on Indemnitee with respect to an employee benefit plan;
and references to "serving at the request of the Company" shall include any
                   -------------------------------------
service as a director, officer, employee or agent of the Company which imposes
duties on, or involves services by, such director, officer, employee or agent
with respect to an employee benefit plan, its participants, or beneficiaries;
and if Indemnitee acted in good faith and in a manner Indemnitee reasonably
believed to be in the interest of the participants and beneficiaries of an
employee benefit plan, Indemnitee shall be deemed to have acted in a manner "not
                                                                             ---
opposed to the best interests of the Company" as referred to in this Agreement.
--------------------------------------------

                                      -6-
<PAGE>

     11.  Attorneys' Fees.  In the event that any action is instituted by
          ---------------
Indemnitee under this Agreement to enforce or interpret any of the terms hereof,
Indemnitee shall be entitled to be paid all court costs and expenses, including
reasonable attorneys' fees, incurred by Indemnitee with respect to such action,
unless as a part of such action, the court of competent jurisdiction determines
that each of the material assertions made by Indemnitee as a basis for such
action were not made in good faith or were frivolous.  In the event of an action
instituted by or in the name of the Company under this Agreement or to enforce
or interpret any of the terms of this Agreement, Indemnitee shall be entitled to
be paid all court costs and expenses, including attorneys' fees, incurred by
Indemnitee in defense of such action (including with respect to Indemnitee's
counterclaims and cross-claims made in such action), unless as a part of such
action the court determines that each of Indemnitee's material defenses to such
action were made in bad faith or were frivolous.

     12.  Miscellaneous.
          -------------

          (a)  Governing Law.  This Agreement and all acts and transactions
               -------------
pursuant hereto and the rights and obligations of the parties hereto shall be
governed, construed and interpreted in accordance with the laws of the State of
Delaware, without giving effect to principles of conflict of law.

          (b)  Entire Agreement; Enforcement of Rights.  This Agreement sets
               ---------------------------------------
forth the entire agreement and understanding of the parties relating to the
subject matter herein and merges all prior discussions between them.  No
modification of or amendment to this Agreement, nor any waiver of any rights
under this Agreement, shall be effective unless in writing signed by the parties
to this Agreement.  The failure by either party to enforce any rights under this
Agreement shall not be construed as a waiver of any rights of such party.

          (c)  Construction.  This Agreement is the result of negotiations
               ------------
between and has been reviewed by each of the parties hereto and their respective
counsel, if any;  accordingly, this Agreement shall be deemed to be the product
of all of the parties hereto, and no ambiguity shall be construed in favor of or
against any one of the parties hereto.

          (d)  Notices.  Any notice, demand or request required or permitted to
               -------
be given under this Agreement shall be in writing and shall be deemed sufficient
when delivered personally or sent by telegram or forty-eight (48) hours after
being deposited in the U.S. mail, as certified or registered mail, with postage
prepaid, and addressed to the party to be notified at such party's address as
set forth below or as subsequently modified by written notice.

          (e)  Counterparts.  This Agreement may be executed in two or more
               ------------
counterparts, each of which shall be deemed an original and all of which
together shall constitute one instrument.

          (f)  Successors and Assigns.  This Agreement shall be binding upon the
               ----------------------
Company and its successors and assigns, and inure to the benefit of Indemnitee
and Indemnitee's heirs, legal representatives and assigns.

                                      -7-
<PAGE>

          (g)  Subrogation.  In the event of payment under this Agreement, the
               -----------
Company shall be subrogated to the extent of such payment to all of the rights
of recovery of Indemnitee, who shall execute all documents required and shall do
all acts that may be necessary to secure such rights and to enable the Company
to effectively bring suit to enforce such rights.

                           [Signature Page Follows]

                                      -8-
<PAGE>

     The parties hereto have executed this Agreement as of the day and year set
forth on the first page of this Agreement.

                              AVANTGO, INC.

                              By:     ___________________________________

                              Title:  ___________________________________

                              Address: 1650 Amphlett Boulevard, Suite 212
                                       San Mateo, CA 94402

AGREED TO AND ACCEPTED:

((Name))

________________________________
(Signature)

Address:  ((Address1))
          ((Address2))

                                      -9-

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