Document:

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                                                                     Exhibit 4.3

                             BRIO TECHNOLOGY, INC.

                     2000 NON-EXECUTIVE STOCK OPTION PLAN

     1.   Purposes of the Plan.  The purposes of this 2000 Non-Executive Stock
          --------------------
Option Plan are to attract and retain the best available personnel for positions
of substantial responsibility, to provide additional incentive to the Employees
and Consultants of the Company and to promote the success of the Company's
business. Options granted hereunder shall be Nonstatutory Stock Options.

     2.   Definitions.  As used herein, the following definitions shall apply:
          -----------

          (a) "Administrator" shall mean the Board or any of its Committees
               -------------
appointed pursuant to Section 4 of the Plan.

          (b) "Affiliate" means an entity which, together with the Company, is
               ---------
under common control of a third person or entity.

          (c) "Applicable Laws" means the legal requirements relating to the
               ---------------
administration of stock option plans under applicable U.S. state corporate laws,
U.S. federal and applicable state securities laws, the Code, any Stock Exchange
rules and regulations and the applicable laws of any other country or
jurisdiction where Options are granted under the Plan, as such laws, rules,
regulations and requirements shall be in place from time to time.

          (d) "Board" shall mean the Board of Directors of the Company.
               -----

          (e) "Code" shall mean the Internal Revenue Code of 1986, as amended.
               ----

          (f) "Committee" shall mean the Committee appointed by the Board of
               ---------
Directors in accordance with paragraph (a) of Section 4 of the Plan, if one is
appointed.

          (g) "Common Stock" shall mean the Common Stock of the Company.
               ------------

          (h) "Company" shall mean Brio Technology, Inc., a Delaware
               -------
corporation.

          (i) "Consultant" shall mean any person who is engaged by the Company
               ----------
or any Parent, Subsidiary or Affiliate to render consulting services and is
compensated for such consulting services, excluding any Officers, Named
Executives and Directors.

          (j) "Continuous Service Status" means the absence of any interruption
               -------------------------
or termination of service as an Employee or Consultant to the Company or a
Parent, Subsidiary or Affiliate.  Continuous Service Status shall not be
considered interrupted in the case of:  (i) sick leave; (ii) military leave;
(iii) any other leave of absence approved by the Administrator, provided that
such leave is for a period of not more than 90 days, unless reemployment upon
the expiration of such leave is guaranteed by contract or statute, or unless
provided otherwise
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pursuant to Company policy adopted from time to time; or (iv) in the case of
transfers between locations of the Company or between the Company, its Parents,
Subsidiaries or Affiliates or their respective successors. A change in status
from an Employee to a Consultant or from a Consultant to an Employee will not
constitute an interruption of Continuous Service Status.

          (k) "Corporate Transaction" means a sale of all or substantially all
               ---------------------
of the Company's assets, or a merger, consolidation or other capital
reorganization of the Company with or into another corporation.

          (l) "Director" shall mean a member of the Board.
               --------

          (m) "Employee" shall mean any person who is employed by the Company or
               --------
any Parent, Subsidiary or Affiliate of the Company, excluding any Officer, Named
Executive and Director.

          (n) "Exchange Act" shall mean the Securities Exchange Act of 1934, as
               ------------
amended.

          (o) "Fair Market Value" shall mean, as of any date, the value of
               -----------------
Common Stock determined as follows:

              (i)   If the Common Stock is listed on any established stock
exchange or a national market system including without limitation the National
Market of the National Association of Securities Dealers, Inc. Automated
Quotation ("Nasdaq") System, its Fair Market Value shall be the closing sales
price for such stock as quoted on such system on the date of determination (if
for a given day no sales were reported, the closing bid on that day shall be
used), as such price is reported in The Wall Street Journal or such other source
                                    -----------------------
as the Administrator deems reliable;

              (ii)  If the Common Stock is quoted on the Nasdaq System (but not
on the National Market thereof) or regularly quoted by a recognized securities
dealer but selling prices are not reported, its Fair Market Value shall be the
mean between the bid and asked prices for the Common Stock or;

              (iii) In the absence of an established market for the Common
Stock, the Fair Market Value thereof shall be determined in good faith by the
Administrator.

          (p) "Named Executive" shall mean any individual who, on the last day
               ---------------
of the Company's fiscal year, is the chief executive officer of the Company (or
is acting in such capacity) or among the four highest compensated officers of
the Company (other than the chief executive officer).  Such officer status shall
be determined pursuant to the executive compensation disclosure rules under the
Exchange Act.

          (q) "Nonstatutory Stock Option" shall mean an Option not intended to
               -------------------------
qualify as an Incentive Stock Option, as designated in the applicable Option
Agreement. "Incentive Stock Option" shall mean an Option intended to qualify as
            ----------------------
an incentive stock option

                                      -2-
<PAGE>

within the meaning of Section 422 of the Code, as designated in the applicable
Option Agreement.

          (r)  "Officer" shall mean a person who is appointed or elected by the
                -------
Board of Directors as an officer of the Company, including but not limited to a
person who is an officer within the meaning of Section 16 of the Exchange Act
and the rules and regulations promulgated thereunder.

          (s)  "Option" shall mean a stock option granted pursuant to the Plan.
                ------

          (t)  "Option Agreement" means a written document, the form(s) of which
                ----------------
shall be approved from time to time by the Administrator, reflecting the terms
of an Option granted under the Plan and includes any documents attached to or
incorporated into such Option Agreement, including, but not limited to, a notice
of stock option grant and a form of exercise notice.

          (u)  "Optioned Stock" shall mean the Common Stock subject to an
                --------------
Option.

          (v)  "Option Exchange Program" means a program approved by the
                -----------------------
Administrator whereby outstanding Options are exchanged for Options with a lower
exercise price or are amended to decrease the exercise price as a result of a
decline in the Fair Market Value of the Common Stock.

          (w)  "Optionee" shall mean an Employee or Consultant who receives an
                --------
Option.

          (x)  "Parent" shall mean a "parent corporation," whether now or
                ------
hereafter existing, as defined in Section 424(e) of the Code.

          (y)  "Plan" shall mean this 2000 Non-Executive Stock Option Plan.
                ----

          (z)  "Rule 16b-3" shall mean Rule 16b-3 promulgated under the Exchange
                ----------
Act as the same may be amended from time to time, or any successor provision.

          (aa) "Share" shall mean a share of the Common Stock, as adjusted in
                -----
accordance with Section 12 of the Plan.

          (bb) "Subsidiary" shall mean a "subsidiary corporation," whether now
                ----------
or hereafter existing, as defined in Section 424(f) of the Code.

     3.   Stock Subject to the Plan.  Subject to the provisions of Section 13 of
          -------------------------
the Plan, the maximum aggregate number of shares which may be optioned and sold
under the Plan is 6,000,000 shares of Common Stock.  The Shares may be
authorized, but unissued, or reacquired Common Stock.

     If an Option should expire or become unexercisable for any reason without
having been exercised in full, the unpurchased Shares which were subject thereto
shall, unless the Plan shall

                                      -3-
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have been terminated, become available for future grant under the Plan.
Notwithstanding any other provision of the Plan, Shares issued under the Plan
and later repurchased by the Company shall not become available for future grant
or sale under the Plan.

     4.   Administration of the Plan.
          ---------------------------

          (a)  Composition of Administrator.  The Plan shall be administered by
               ----------------------------
(A) the Board or (B) a Committee designated by the Board, which Committee shall
be constituted in such a manner as to satisfy the Applicable Laws.  If a
Committee has been appointed pursuant to this Section 4(a), such Committee shall
continue to serve in its designated capacity until otherwise directed by the
Board.  From time to time the Board may increase the size of any Committee and
appoint additional members thereof, remove members (with or without cause) and
appoint new members in substitution therefor, fill vacancies (however caused)
and remove all members of a Committee and thereafter directly administer the
Plan, all to the extent permitted by the Applicable Laws.

          (b)  Powers of the Administrator.  Subject to the provisions of the
               ---------------------------
Plan, and in the case of a Committee, the specific duties delegated by, or
limitations of authority imposed by, the Board to or on such Committee, the
Administrator shall have the authority, in its discretion:

               (i)     to grant Options under the Plan;

               (ii)    to determine, upon review of relevant information and in
accordance with Section 2(o) of the Plan, the Fair Market Value of the Common
Stock;

               (iii)   to determine the exercise price per share of Options to
be granted, which exercise price shall be determined in accordance with Section
8(a) of the Plan;

               (iv)    to determine the Employees or Consultants to whom, and
the time or times at which, Options shall be granted and the number of shares to
be represented by each Option;

               (v)     to interpret the Plan;

               (vi)    to approve forms of agreement for use under the Plan;

               (vii)   to determine the terms and provisions of each Option
granted (which need not be identical) and, with the consent of the holder
thereof, modify or amend each Option;

               (viii)  to accelerate or defer (with the consent of the Optionee)
the exercise date of any Option;

               (ix)    to authorize any person to execute on behalf of the
Company any instrument required to effectuate the grant of an Option previously
granted by the Administrator;

                                      -4-
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               (x)     to implement an Option Exchange Program on such terms and
conditions as the Administrator in its discretion deems appropriate, provided
that no amendment or adjustment to an Option that would materially and adversely
affect the rights of any Optionee shall be made without the prior written
consent of the Optionee;

               (xi)    to adjust the vesting of an Option held by an Employee or
Consultant as a result of a change in the terms or conditions under which such
person is providing services to the Company;

               (xii)   to determine whether and under what circumstances an
Option may be settled in cash under Section 9(f) instead of Common Stock;

               (xiii)  in order to fulfil the purposes of the Plan and without
amending the Plan, to modify grants of Options to Employees or Consultants who
are foreign nationals or employed outside the United States in order to
recognize differences in local law, tax policies or customs; and

               (xiv)   to make all other determinations deemed necessary or
advisable for the administration of the Plan.

          (c)  Effect of Administrator's Decision. All decisions, determinations
               ----------------------------------
and interpretations of the Administrator shall be final and binding on all
Optionees and any other holders of any Options granted under the Plan.

     5.   Eligibility.
          -----------

          (a)  Recipients of Grants.  Options may be granted only to Employees
               --------------------
and Consultants. An Employee or Consultant who has been granted an Option may,
if he is otherwise eligible, be granted an additional Option or Options.

          (b)  Type of Option.  Each Option shall be designated in the Option
               --------------
Agreement as a Nonstatutory Stock Option.

          (c)  At-Will Relationship. The Plan shall not confer upon any Optionee
               --------------------
any right with respect to continuation of employment or consulting relationship
with the Company, nor shall it interfere in any way with his right or the
Company's right to terminate his employment or consulting relationship at any
time, with or without cause.

     6.   Term of Plan. The Plan shall become effective upon its adoption by the
          ------------
Board of Directors.  It shall continue in effect for a term of ten (10) years
unless sooner terminated under Section 14 of the Plan.

     7.   Term of Option. The term of each Option shall be ten (10) years from
          --------------
the date of grant thereof or such shorter term as may be provided in the Option
Agreement.

                                      -5-
<PAGE>

     8.   Exercise Price and Consideration.
          --------------------------------

          (a)  The per Share exercise price for the Shares to be issued pursuant
to exercise of an Option shall be such price as is determined by the
Administrator, but shall be no less than 85% of the Fair Market Value per Share
on the date of grant.

          (b)  The consideration to be paid for the Shares to be issued upon
exercise of an Option, including the method of payment, shall be determined by
the Administrator and may consist entirely of (1) cash, (2) check, (3)
promissory note, (4) other Shares of Common Stock which (i) either have been
owned by the Optionee for more than six (6) months on the date of surrender or
were not acquired, directly or indirectly, from the Company, and (ii) have a
fair market value on the date of surrender equal to the aggregate exercise price
of the Shares as to which said Option shall be exercised, (5) delivery of a
properly executed exercise notice together with irrevocable instructions to a
broker to deliver promptly to the Company the amount of sale or loan proceeds
required to pay the exercise price, (6) any combination of such methods of
payment, or (7) such other consideration and method of payment for the issuance
of Shares to the extent permitted under the Applicable Laws.  In making its
determination as to the type of consideration to accept, the Administrator shall
consider if acceptance of such consideration may be reasonably expected to
benefit the Company, and the Administrator may refuse to accept a particular
form of consideration at the time of any Option exercise if, in its sole
discretion, acceptance of such form of consideration is not in the best
interests of the Company at such time.

     9.   Exercise of Option.
          ------------------

          (a)  Procedure for Exercise; Rights as a Stockholder.  Any Option
               -----------------------------------------------
granted hereunder shall be exercisable at such times and under such conditions
as determined by the Administrator, consistent with the terms of the Plan and
reflected in the Option Agreement, including vesting requirements and/or
performance criteria with respect to the Company and/or the Optionee.

          An Option may not be exercised for a fraction of a Share.

          An Option shall be deemed to be exercised when written notice of such
exercise has been given to the Company in accordance with the terms of the
Option by the person entitled to exercise the Option and full payment for the
Shares with respect to which the Option is exercised has been received by the
Company.  Full payment may, as authorized by the Administrator, consist of any
consideration and method of payment allowable under Section 8(b) of the Plan.
Until the issuance (as evidenced by the appropriate entry on the books of the
Company or of a duly authorized transfer agent of the Company) of the stock
certificate evidencing such Shares, no right to vote or receive dividends or any
other rights as a stockholder shall exist with respect to the Optioned Stock,
notwithstanding the exercise of the Option.  The Company shall issue (or cause
to be issued) such stock certificate promptly upon exercise of the Option.  No
adjustment will be made for a dividend or other right for which the record date
is prior to the date the stock certificate is issued, except as provided in
Section 12 of the Plan.

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<PAGE>

          Exercise of an Option in any manner shall result in a decrease in the
number of Shares which thereafter may be available, both for purposes of the
Plan and for sale under the Option, by the number of Shares as to which the
Option is exercised.

          (b)  Termination of Employment or Consulting Relationship.  In the
               ----------------------------------------------------
event of termination of an Optionee's Continuous Service Status with the
Company, such Optionee may, but only within three (3) months (or such other
period of time, not less than 30 days, as is determined by the Administrator)
after the date of such termination (but in no event later than the date of
expiration of the term of such Option as set forth in the Option Agreement),
exercise his Option to the extent that he was entitled to exercise it at the
date of such termination.  To the extent that the Optionee was not entitled to
exercise the Option at the date of such termination, or if the Optionee does not
exercise the Option to the extent so entitled within the time specified above,
the Option shall terminate and the Optioned Stock underlying the unexercised
portion of the Option shall revert to the Plan.  No termination shall be deemed
to occur and this Section 9(b) shall not apply if (i) the Optionee is a
Consultant who becomes an Employee, or (ii) the Optionee is an Employee who
becomes a Consultant.

          (c)  Disability of Optionee. Notwithstanding the provisions of Section
               ----------------------
9(b) above, in the event of termination of an Optionee's Continuous Service
Status as a result of Optionee's disability (including a disability within the
meaning of Section 22(e)(3) of the Code), Optionee may, but only within six (6)
months (or such other period of time as is determined by the Administrator) from
the date of such termination (but in no event later than the date of expiration
of the term of such Option as set forth in the Option Agreement), exercise the
Option to the extent otherwise entitled to exercise it at the date of such
termination.  To the extent that Optionee was not entitled to exercise the
Option at the date of termination, or if Optionee does not exercise such Option
(to the extent so entitled) within the time specified above, the Option shall
terminate, and the Optioned Stock underlying the unexercised portion of the
Option shall revert to the Plan.

          (d)  Death of Optionee. Notwithstanding the provisions of Section 9(b)
               -----------------
above, in the event of the death of an Optionee during the period of Continuous
Service Status since the date of grant of the Option, or within 30 days
following termination of the Optionee's Continuous Service Status, the Option
may be exercised, at any time within twelve months following the date of death
(but in no event later than the expiration date of the term of such Option as
set forth in the Option Agreement), by such Optionee's estate or by a person who
acquired the right to exercise the Option by bequest or inheritance, but only to
the extent of the right to exercise that had accrued at the date of death or, if
earlier, the date of termination of the Optionee's Continuous Service Status.
To the extent that the Optionee was not entitled to exercise the Option at the
date of death or termination, as the case may be, or if the Optionee does not
exercise such Option to the extent so entitled within the time specified above,
the Option shall terminate and the Optioned Stock underlying the unexercised
portion of the Option shall revert to the Plan.

          (e)  Extension of Exercise Period.  The Administrator shall have full
               ----------------------------
power and authority to extend the period of time for which an Option is to
remain exercisable following

                                      -7-
<PAGE>

termination of an Optionee's Continuous Service Status from the periods set
forth in Sections 9(b), 9(c) and 9(d) above or in the Option Agreement to such
greater time as the Board shall deem appropriate, provided, that in no event
shall such Option be exercisable later than the date of expiration of the term
of such Option as set forth in the Option Agreement.

          (f)  Buy-Out Provisions.  The Administrator may at any time offer to
               ------------------
buy out for a payment in cash or Shares an Option previously granted under the
Plan, based on such terms and conditions as the Administrator shall establish
and communicate to the Optionee at the time such offer is made.

     10.  Taxes.
          -----

          (a)  As a condition of the exercise of an Option granted under the
Plan, the Optionee (or in the case of the Optionee's death, the person
exercising the Option) shall make such arrangements as the Administrator may
require for the satisfaction of any applicable federal, state, local or foreign
withholding tax obligations that may arise in connection with the exercise of an
Option and the issuance of Shares.  The Company shall not be required to issue
any Shares under the Plan until such obligations are satisfied.  If the
Administrator allows the withholding or surrender of Shares to satisfy a
Participant's tax withholding obligations under this Section 10 (whether
pursuant to Section 10(c), (d) or (e), or otherwise), the Administrator shall
not allow Shares to be withheld in an amount that exceeds the minimum statutory
withholding rates for federal and state tax purposes, including payroll taxes.

          (b)  In the case of an Employee and in the absence of any other
arrangement, the Employee shall be deemed to have directed the Company to
withhold or collect from his or her compensation an amount sufficient to satisfy
such tax obligations from the next payroll payment otherwise payable after the
date of an exercise of the Option.

          (c)  In the case of a Optionee other than an Employee (or in the case
of an Employee where the next payroll payment is not sufficient to satisfy such
tax obligations, with respect to any remaining tax obligations), in the absence
of any other arrangement and to the extent permitted under the Applicable Laws,
the Optionee shall be deemed to have elected to have the Company withhold from
the Shares to be issued upon exercise of the Option that number of Shares having
a Fair Market Value determined as of the applicable Tax Date (as defined below)
equal to the minimum statutory amount required to be withheld.  For purposes of
this Section 10, the Fair Market Value of the Shares to be withheld shall be
determined on the date that the amount of tax to be withheld is to be determined
under the Applicable Laws (the "Tax Date").
                                --------

          (d)  If permitted by the Administrator, in its discretion, a Optionee
may satisfy his or her tax withholding obligations upon exercise of an Option by
surrendering to the Company Shares that (i) in the case of Shares previously
acquired from the Company, have been owned by the Optionee for more than six
months on the date of surrender, and (ii) have a Fair Market Value determined as
of the applicable Tax Date equal to the minimum statutory amount required to be
withheld.

                                      -8-
<PAGE>

          (e)  Any election or deemed election by a Optionee to have Shares
withheld to satisfy tax withholding obligations under Section 10(c) or (d) above
shall be irrevocable as to the particular Shares as to which the election is
made and shall be subject to the consent or disapproval of the Administrator.
Any election by an Optionee under Section 10(d) above must be made on or prior
to the applicable Tax Date.

          (f)  In the event an election to have Shares withheld is made by a
Optionee and the Tax Date is deferred under Section 83 of the Code because no
election is filed under Section 83(b) of the Code, the Optionee shall receive
the full number of Shares with respect to which the Option is exercised but such
Optionee shall be unconditionally obligated to tender back to the Company the
proper number of Shares on the Tax Date.

     11.  Non-Transferability of Options.  The Option may not be sold, pledged,
          ------------------------------
assigned, hypothecated, transferred, or disposed of in any manner other than by
will or by the laws of descent or distribution; provided, that the Administrator
                                                --------
may in its discretion grant transferable Options pursuant to option agreements
specifying (i) the manner in which such Options are transferable and (ii) that
any such transfer shall be subject to the Applicable Laws.  The designation of a
beneficiary by an Optionee will not constitute a transfer.  An Option may be
exercised, during the lifetime of the Optionee, only by the Optionee or a
transferee permitted by this Section 11.

     12.  Adjustments Upon Changes in Capitalization, Corporate Transaction and
          ---------------------------------------------------------------------
Other Transaction.
-----------------

          (a)  Adjustment. Subject to any required action by the stockholders of
               ----------
the Company, the number of shares of Common Stock covered by each outstanding
Option, the number of shares of Common Stock that have been authorized for
issuance under the Plan but as to which no Options have yet been granted or
which have been returned to the Plan upon cancellation or expiration of an
Option, and the price per share of Common Stock covered by each such outstanding
Option, shall be proportionately adjusted for any increase or decrease in the
number of issued shares of Common Stock resulting from a stock split, reverse
stock split, stock dividend, combination or reclassification of the Common
Stock, or any other increase or decrease in the number of issued shares of
Common Stock effected without receipt of consideration by the Company; provided,
however, that conversion of any convertible securities of the Company shall not
be deemed to have been "effected without receipt of consideration."  Such
adjustment shall be made by the Administrator, whose determination in that
respect shall be final, binding and conclusive.  Except as expressly provided
herein, no issuance by the Company of shares of stock of any class, or
securities convertible into shares of stock of any class, shall affect, and no
adjustment by reason thereof shall be made with respect to, the number or price
of shares of Common Stock subject to an Option.

          (b)  Liquidation or Dissolution.  In the event of the proposed
               --------------------------
dissolution or liquidation of the Company, the Option will terminate immediately
prior to the consummation of such proposed action, unless otherwise provided by
the Administrator.  The Administrator may, in the exercise of its sole
discretion in such instances, declare that any Option shall terminate as

                                      -9-
<PAGE>

of a date fixed by the Administrator and give each Optionee the right to
exercise his or her Option as to all or any part of the Optioned Stock,
including Shares as to which the Option would not otherwise be exercisable.

          (c)  Corporate Transactions.  In the event of a proposed sale of all
               ----------------------
or substantially all of the assets of the Company, or the merger of the Company
with or into another corporation, the Option shall be assumed or an equivalent
option shall be substituted by such successor corporation or a parent or
subsidiary of such successor corporation, unless the Administrator determines,
in the exercise of its sole discretion and in lieu of such assumption or
substitution, that the Optionee shall have the right to exercise the Option as
to some or all of the Optioned Stock, including Shares as to which the Option
would not otherwise be exercisable.  If the Administrator makes an Option
exercisable in lieu of assumption or substitution in the event of a merger or
sale of assets, the Administrator shall notify the Optionee that the Option
shall be exercisable for a period of at least ten (10) days from the date of
such notice, and the Option will terminate upon the expiration of such period.

          For purposes of this Section 12(c), an Option shall be considered
assumed, without limitation, if, at the time of issuance of the stock or other
consideration upon a merger or sales of assets, as the case may be, each
Optionee would be entitled to receive upon exercise of the award the same number
and kind of shares of stock or the same amount of property, cash or securities
as he or she would have been entitled to receive upon the occurrence of the
transaction if the Optionee had been, immediately prior to such transaction, the
holder of the number of Shares of Common Stock covered by the award at such time
(after giving effect to any adjustments in the number of Shares covered by the
Option as provided for in this Section 12); provided that if such consideration
received in the transaction is not solely common stock of the successor
corporation, the Administrator may, with the consent of the successor
corporation, provide for the consideration to be received upon exercise of the
award to be solely common stock of the successor corporation equal to the Fair
Market Value of the per Share consideration received by holders of Common Stock
in the transaction.

     13.  Time of Granting Options.  The date of grant of an Option shall, for
          ------------------------
all purposes, be the date on which the Administrator makes the determination
granting such Option.  Notice of the determination shall be given to each
Employee or Consultant to whom an Option is so granted within a reasonable time
after the date of such grant.

     14.  Amendment and Termination of the Plan.
          -------------------------------------

          (a)  Authority to Amend or Terminate. The Board may at any time amend,
               -------------------------------
alter, suspend or discontinue the Plan, but no amendment, alteration, suspension
or discontinuation (other than an adjustment pursuant to Section 12 above) shall
be made that would materially and adversely affect the rights of any Optionee
under any outstanding grant, without his or her consent.

          (b)  Effect of Amendment or Termination.  No amendment or termination
               ----------------------------------
of the Plan shall materially and adversely affect Options already granted,
unless mutually agreed

                                      -10-
<PAGE>

otherwise between the Optionee and the Administrator, which agreement must be in
writing and signed by the Optionee and the Company.

     15.  Conditions Upon Issuance of Shares. Notwithstanding any other
          ----------------------------------
provision of the Plan or any agreement entered into by the Company pursuant to
the Plan, the Company shall not be obligated, and shall have no liability for
failure, to issue or deliver any Shares under the Plan unless such issuance or
delivery would comply with the Applicable Laws, with such compliance determined
by the Company in consultation with its legal counsel.  As a condition to the
exercise of an Option, the Company may require the person exercising the award
to represent and warrant at the time of any such exercise that the Shares are
being purchased only for investment and without any present intention to sell or
distribute such Shares if, in the opinion of counsel for the Company, such a
representation is required by law.

     16.  Reservation of Shares.  The Company, during the term of this Plan,
          ---------------------
will at all times reserve and keep available such number of Shares as shall be
sufficient to satisfy the requirements of the Plan.  The inability of the
Company to obtain authority from any regulatory body having jurisdiction, which
authority is deemed by the Company's counsel to be necessary to the lawful
issuance and sale of any Shares hereunder, shall relieve the Company of any
liability in respect of the failure to issue or sell such Shares as to which
such requisite authority shall not have been obtained.

     17.  Option Agreements.  Options shall be evidenced by Option Agreements in
          ----------------
such forms as the Administrator shall from time to time approve.

     18.  Information to Optionees.  The Company shall provide to each Optionee
          ------------------------
upon request, during the period for which such Optionee has one or more Options
outstanding, copies of all annual reports and other information which are
provided to all stockholders of the Company.

                                      -11-<PAGE>

                                                                   EXHIBIT 10.57

                                 AVANTGO, INC.

                            1997 STOCK OPTION PLAN

                         NOTICE OF STOCK OPTION GRANT
                         ----------------------------

David B. Cooper, Jr.
151 Waldo Avenue
Piedmont, CA 94611

     You have been granted an option to purchase Common Stock ("Common Stock")
                                                                ------------
of AvantGo, Inc. (the "Company") as follows:
                       -------

     Board Approval Date:                  August 30, 2000

     Date of Grant (Later of Board
          Approval Date or
          Commencement of
          Employment/Consulting):          August 30, 2000

     Vesting Commencement Date:            August 29, 2000

     Exercise Price Per Share:             $8.90

     Total Number of Shares Granted:       450,000

     Total Exercise Price:                 $4,005,000

     Type of Option:                        X  Incentive Stock Option ("ISO")
                                           ---
                                           ___ Nonstatutory Stock Option ("NSO")

     Term/Expiration Date:                 August 30, 2010

     Vesting Schedule:                     This Option may be exercised
                                           immediately, in whole or in part, and
                                           shall vest in accordance with the
                                           following schedule: 25% of the Shares
                                           subject to the Option shall vest on
                                           the twelve (12) month anniversary of
                                           the Vesting Commencement Date and
                                           1/48 of the total number of Shares
                                           subject to the Option shall vest on
                                           the thirtieth day (or, in the event
                                           that a month has less than thirty
                                           days, the last day) of each month
                                           thereafter.

<PAGE>

     Termination Period:           This Option may be exercised for 45 days
                                   after termination of employment or consulting
                                   relationship except as set out in Sections 6
                                   and 7 of the Stock Option Agreement (but in
                                   no event later than the Expiration Date).

     By your signature and the signature of the Company's representative below,
you and the Company agree that this Option is granted under and governed by the
terms and conditions of the 1997 Stock Option Plan and the Stock Option
Agreement, both of which are attached and made a part of this document.

David B. Cooper, Jr.:                   AvantGo, Inc.:

_______________________________         By:_______________________________
Signature

_______________________________         __________________________________
Print Name                                 Print Name and Title

                                      -2-

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