Document:

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                                                                   EXHIBIT 10.36

                                 AVANTGO, INC.
                                 -------------

                              CONSULTING AGREEMENT
                              --------------------

          This Consulting Agreement (the "Agreement") is entered into by and
                                          ---------
between AvantGo, Inc. (the "Company") and RB Webber ("Consultant").
                            -------       ---------

          1.  Consulting Relationship. During the term of this agreement,
              -----------------------
Consultant will provide consulting services (the "Services") to the Company as
                                                  --------
described on Exhibit A attached to this Agreement. Consultant shall use
             ---------
Consultant's best efforts to perform the Services in a manner satisfactory to
the Company.

          2.  Fees. As consideration for the Services to be provided by
              ----
Consultant and other obligations, the Company will compensate Consultant as
described in Exhibit B to this Agreement.
             ---------

          3.  Expenses. Consultant shall not be authorized to incur on behalf of
              --------
the Company any expenses, except as expressly specified in Exhibit B, without
                                                           ---------
the prior written consent of the Company's Chief Executive Officer. As a
condition to receipt of reimbursement, Consultant shall be required to submit to
the Company reasonable evidence that the amount involved was expended and
related to Services provided under this Agreement.

          4.  Term and Termination. Consultant shall serve as a consultant to
              --------------------
the Company for a period commencing on December 1, 1998, and terminating on the
earlier of the date on which (a) Consultant ceases to provide services to the
Company under this Agreement, (b) Consultant shall have been paid the maximum
amount of consulting fees as provided in Exhibit B, or (c) within 30 days of a
                                         -------------------------------------
notice of cancellation by either the Company or the Consultant.
--------------------------------------------------------------

          Either party may terminate this Agreement at any time upon ten (10)
days' written notice.

          5.  Independent Contractor. Consultant's relationship with the Company
              ----------------------
will be that of an independent contractor and not that of an employee.
Consultant will not be eligible for any employee benefits, nor will the Company
make deductions from payments made to Consultant for taxes, all of which will be
Consultant's responsibility. Consultant agrees to indemnify and hold the Company
harmless from any liability for, or assessment of, any such taxes imposed on the
Company by relevant taxing authorities. Consultant will have no authority to
enter into contracts that bind the Company or create obligations on the part of
the Company without the prior written authorization of the Company.

          6.  Supervision of Consultant's Services. All services to be performed
              ------------------------------------
by Consultant, including but not limited to the Services, will be as agreed
between Consultant and the Company's Director of Marketing. Consultant will be
required to report to the Director of Marketing concerning the Services
performed under this Agreement. The nature and frequency of these reports will
be left to the discretion of the Director of Marketing.

          7.  Consulting or Other Services for Competitors. Consultant
              --------------------------------------------
represents and warrants that Consultant will not, during the term of this
Agreement, perform any consulting or other services for any company, person or
entity whose business or proposed business in any way involves products or
services which could reasonably be determined to be competitive with the
products or services or proposed products or services of the Company.
<PAGE>

          8.  Confidentiality Agreement. Consultant shall sign, or has signed, a
              -------------------------
Proprietary Information and Invention Assignment Agreement substantially in the
form attached to this Agreement as Exhibit C (the "Confidentiality Agreement"),
                                   ---------       -------------------------
prior to or on the date on which Consultant's consulting relationship with the
Company commences. In the event that Consultant is an entity or otherwise will
be causing individuals in its employ or under its supervision to participate in
the rendering of the Services, Consultant warrants that it shall cause each of
such individuals to execute a Confidentiality Agreement in the form attached as
Exhibit C.
---------

          9.  Conflicts with this Agreement. Consultant represents and warrants
              -----------------------------
that neither Consultant nor any of Consultant's partners, employees or agents is
under any pre-existing obligation in conflict or in any way inconsistent with
the provisions of this Agreement. Consultant warrants that Consultant has the
right to disclose or use all ideas, processes, techniques and other information,
if any, which Consultant has gained from third parties, and which Consultant
discloses to the Company in the course of performance of this Agreement, without
liability to such third parties. Consultant represents and warrants that
Consultant has not granted any rights or licenses to any intellectual property
or technology that would conflict with Consultant's obligations under this
Agreement. Consultant will not knowingly infringe upon any copyright, patent,
trade secret or other property right of any former client, employer or third
party in the performance of the services required by this Agreement.

          10.  Miscellaneous.
               -------------

          (a) Amendments and Waivers. Any term of this Agreement may be amended
              ----------------------
or waived only with the written consent of the parties.

          (b) Sole Agreement. This Agreement, including the Exhibits hereto,
              --------------
constitutes the sole agreement of the parties and supersedes all oral
negotiations and prior writings with respect to the subject matter hereof.

          (c) Notices. Any notice required or permitted by this Agreement shall
              -------
be in writing and shall be deemed sufficient upon receipt, when delivered
personally or by courier, overnight delivery service or confirmed facsimile, or
forty-eight (48) hours after being deposited in the regular mail as certified or
registered mail (airmail if sent internationally) with postage prepaid, if such
notice is addressed to the party to be notified at such party's address or
facsimile number as set forth below, or as subsequently modified by written
notice.

          (d) Choice of Law. The validity, interpretation, construction and
              -------------
performance of this Agreement shall be governed by the laws of the State of
California, without giving effect to the principles of conflict of laws.

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

                                      -2-
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          (g) Arbitration. Any dispute or claim arising out of or in connection
              -----------
with any provision of this Agreement, excluding Section 7 hereof, will be
finally settled by binding arbitration [in San Jose, California] in accordance
with the rules of the American Arbitration Association by one arbitrator
appointed in accordance with said rules. The arbitrator shall apply California
law, without reference to rules of conflicts of law or rules of statutory
arbitration, to the resolution of any dispute. Judgment on the award rendered by
the arbitrator may be entered in any court having jurisdiction thereof.
Notwithstanding the foregoing, the parties may apply to any court of competent
jurisdiction for preliminary or interim equitable relief, or to compel
arbitration in accordance with this paragraph, without breach of this
arbitration provision. This Section 10(g) shall not apply to the Confidentiality
Agreement.

          (h) Advice of Counsel. EACH PARTY ACKNOWLEDGES THAT, IN EXECUTING THIS
              -----------------
AGREEMENT, SUCH PARTY HAS HAD THE OPPORTUNITY TO SEEK THE ADVICE OF INDEPENDENT
LEGAL COUNSEL, AND HAS READ AND UNDERSTOOD ALL OF THE TERMS AND PROVISIONS OF
THIS AGREEMENT. THIS AGREEMENT SHALL NOT BE CONSTRUED AGAINST ANY PARTY BY
REASON OF THE DRAFTING OR PREPARATION HEREOF.

                            [Signature Page Follows]

                                      -3-
<PAGE>

  The parties have executed this Agreement on the respective dates set forth
                                    below.

                              AVANTGO, INC.

                              By: /s/ [ILLEGIBLE]
                                  ---------------------------------------

                              Title: Director of Mktg
                                     ------------------------------------

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

                              Date: 12-11-98
                                    -------------------------------------

                              /s/ [ILLEGIBLE]
                              -------------------------------------------
                              Signature

                              Name:

                              Title:  Principal
                                      -----------------------------------

                              Address:

                              Date: 12-11-98
                                    -------------------------------------

        SIGNATURE PAGE TO BOMBARDIER SOFTWARE, INC. CONSULTING AGREEMENT<PAGE>

                                                                   EXHIBIT 10.37

[LOGO OF SILICON VALLEY BANK]
QUICKSTART LOAN AND SECURITY AGREEMENT

Borrower:  Bombardier Software, Inc.   Address: 1650 S. Amphlett Blvd, Ste 114
           -------------------------            ------------------------------
Date:            1/28/98                        San Mateo, CA 94402
           -------------------------            ------------------------------

SILICON'S OFFER TO EXTEND FINANCING ON THE TERMS SET FORTH HEREIN SHALL EXPIRE
IF THIS AGREEMENT IS NOT EXECUTED BY BORROWER AND RETURNED TO SILICON WITHIN 30
DAYS OF THE ABOVE DATE.

THIS LOAN AND SECURITY AGREEMENT is entered into on the above date between
SILICON VALLEY BANK ("Silicon"), whose address is 3003 Tasman Drive, Santa
Clara, California 95054 and the borrower named above (jointly and severally, the
"Borrower"), whose chief executive office is located at the above address
("Borrower's Address").

1.   Loans. Silicon will make loans to Borrower (the "Loans") in amounts
determined by Silicon in its reasonable business judgment up to the amount (the
"Credit Limit") shown on the Schedule to this Agreement (the "Schedule"),
provided no Event of Default and no event which, with notice or passage of time
or both, would constitute an Event of Default has occurred. All Loans and other
monetary Obligations will bear interest at the rate shown on the Schedule.
Interest will be payable monthly, on the date shown on the monthly billing from
Silicon. Silicon may, in its discretion, charge interest to Borrower's deposit
accounts maintained with Silicon.

2.   Security Interest. As security for all present and future indebtedness,
guarantees, liabilities, and other obligations, of Borrower to Silicon
(collectively, the "Obligations"), Borrower hereby grants Silicon a continuing
security interest in all of Borrower's interest in the following types of
property, whether now owned or hereafter acquired, and wherever located
(collectively, the "Collateral"): All "accounts," "property general
intangibles," "contract rights", "chattel paper," "documents," "letters of
credit," "instruments," "deposit accounts," "inventory," "farm products,"
investment property," "fixtures" and "equipment," as such terms are defined in
Division 9 of the California Uniform Commercial Code in effect on the date
hereof, and all products, proceeds and insurance proceeds of the foregoing.

3.   Representations And Agreements Of Borrower. Borrower represents to Silicon
as follows, and Borrower agrees that the following representations will continue
to be true, and that Borrower will comply with all of the following agreements
throughout the term of this Agreement:

     3.1  Corporate Existence and Authority. Borrower, if a corporation, is and
will continue to be, duly authorized, validly existing and in good standing
under the laws of the jurisdiction of its incorporation. The execution, delivery
and performance by Borrower of this Agreement, and all other documents
contemplated hereby have been duly and validly authorized, and do not violate
any law or any provision of, and are not grounds for acceleration under, any
agreement or instrument which is binding upon Borrower.

     3.2  Name; Places of Business. The name of Borrower set forth in this
Agreement is its correct name. Borrower shall give Silicon 15 days' prior
written notice before changing its name. The address set forth in the heading to
this Agreement is Borrower's chief executive office. In addition, Borrower has
places of business and Collateral is located only at the locations set forth on
the Schedule. Borrower will give Silicon at least 15 days prior written notice
before changing its chief executive office or locating the Collateral at any
other location.

     3.3  Collateral. Silicon has and will at all times continue to have a
first-priority perfected security interest in all of the Collateral other than
specific equipment. Borrower will immediately advise Silicon in writing of any
material loss or damage to the Collateral.

     3.4  Financial Condition and Statements. All financial statements now or in
the future delivered to Silicon have been, and will be, prepared in conformity
with generally accepted accounting principles except for certain footnotes
required by generally accepted accounting principles except for certain
footnotes required by generally accepted accounting principles. Since the last
date covered by any such statement, there has been no material adverse change in
the financial condition or business of Borrower. Borrower will provide Silicon:
(i) within 30 days after the end of each month, a monthly financial statement
prepared by Borrower, and such other information as Silicon shall reasonably
request; (ii) within 120 days following the end of Borrower's fiscal year,
complete annual financial statements, certified by independent certified public
accountants acceptable to Silicon and accompanied by the unqualified report
thereon by said independent certified public accountants; and (iii) other
financial information reasonably requested by Silicon from time to time.

     3.5  Taxes; Compliance with Law. Borrower has filed, and will file, when
due, all tax returns and reports required by applicable law, and Borrower has
paid, and will pay, when due, all taxes, assessments, deposits and contributions
now or in the future owed by Borrower. Borrower has complied, and will comply,
in all material respects, with all applicable laws, rules and regulations.

     3.6  Insurance. Borrower shall at all times insure all of the tangible
personal property Collateral and carry such other business insurance as is
customary in Borrower's industry.

     3.7  Access to Collateral and Books and Records. At reasonable times, on
one business day notice, Silicon, or its

                                      -1-
<PAGE>

agents, shall have the right to inspect the Collateral, and the right to audit
and copy Borrower's books and records.

     3.8  Operating Accounts. Borrower shall maintain its primary operating
accounts with Bank.

     3.9  Additional Agreements. Borrower shall not, without Silicon's prior
written consent, do any of the following: (i) enter into any transaction outside
the ordinary course of business except for the sale of capital stock to venture
or corporate investors, provided that Borrower promptly delivers written
notification to Silicon of any such sale; (ii) sell or transfer any Collateral,
except in the ordinary course of business; (iii) pay or declare any dividends on
Borrower's stock (except for dividends payable solely in stock of Borrower); or
(iv) redeem, retire, purchase or otherwise acquire, directly or indirectly, any
of Borrower's stock other than the repurchase of up to five percent (5%) of
Borrower's then issued stock in any fiscal year from Borrower's employees or
directors pursuant to written agreement with Borrower.

4.  Term. This Agreement shall continue in effect until the maturity date set
forth on the Schedule (the "Maturity Date"). This Agreement may be terminated,
without penalty, prior to the Maturity Date as follows: (i) by Borrower,
effective three business days after written notice of termination is given to
Silicon; or (ii) by Silicon at any time after the occurrence of an Event of
Default, without notice, effective immediately. On the Maturity Date or on any
earlier effective date of termination, Borrower shall pay all Obligations in
full, whether or not such Obligations are otherwise then due and payable. No
termination shall in any way affect or impair any security interest or other
right or remedy of Silicon, nor shall any such termination relieve Borrower of
any Obligation to Silicon, until all of the Obligations have been paid and
performed in full.

5.  Events of Default and Remedies. The occurrence of any of the following
events shall constitute an "Event of Default" under this Agreement: (a) Any
representation, statement, report or certificate given to Silicon by Borrower or
any of its officers, employees or agents, now or in the future, is untrue or
misleading in a material respect; or (b) Borrower fails to pay when due any Loan
or any interest thereon or any other monetary Obligation; or (c) the total
Obligations outstanding at any time exceed the Credit Limit; or (d) Borrower
fails to perform any other non-monetary Obligation, which failure is not cured
within 5 business days after the date due; or (e) Dissolution, termination of
existence, insolvency or business failure of Borrower; or appointment of a
receiver, trustee or custodian, for all or any part of the property of,
assignment for the benefit of creditors by, or the commencement of any
proceeding by or against Borrower under any reorganization, bankruptcy,
insolvency, arrangement, readjustment of debt, dissolution or liquidation law or
statute of any jurisdiction, now or in the future in effect; or (f) a material
adverse change in the business, operations, or financial or other condition of
Borrower. If an Event of Default occurs, Silicon, shall have the right to
accelerate and declare all of the Obligations to be immediately due and payable,
increase the interest rate by an additional four percent per annum, and exercise
all rights and remedies accorded it by applicable law.

6.  General. If any provision of this Agreement is held to be unenforceable, the
remainder of this Agreement shall still continue in full force and effect. This
Agreement and any other written agreements, documents and instruments executed
in connection herewith are the complete agreement between Borrower and Silicon
and supersede all prior and contemporaneous negotiations and oral
representations and agreements, all of which are merged and integrated in this
Agreement. There are no oral understandings, representations or agreements
between the parties which are not in this Agreement or in other written
agreements signed by the parties in connection this Agreement. The failure of
Silicon at any time to require Borrower to comply strictly with any of the
provisions of this Agreement shall not waive Silicon's right later to demand and
receive strict compliance. Any waiver of a default shall not waive any other
default. None of the provisions of this Agreement may be waived except by a
specific written waiver signed by an officer of Silicon and delivered to
Borrower. The provisions of this Agreement may not be amended, except in a
writing signed by Borrower and Silicon. Borrower shall reimburse Silicon for all
reasonable attorneys' fees and all other reasonable costs incurred by Silicon,
in connection with this Agreement (whether or not a lawsuit is filed). If
Silicon or Borrower files any lawsuit against the other predicated on a breach
of this Agreement, the prevailing party shall be entitled to recover its
reasonable costs and attorneys' fees from the non-prevailing party. Borrower may
not assign any rights under this Agreement without Silicon's prior written
consent. This Agreement shall be governed by the laws of the State of
California.

7.  Mutual Waiver of Jury Trial. BORROWER AND SILICON EACH HEREBY WAIVE THE
RIGHT TO TRIAL BY JURY IN ANY ACTION OR PROCEEDING BASED UPON, ARISING OUT OF,
OR IN ANY WAY RELATING TO, THIS AGREEMENT OR ANY CONDUCT, ACT OR OMISSION OF
SILICON OR BORROWER OR ANY OF THEIR DIRECTORS, OFFICERS, EMPLOYEES, AGENTS,
ATTORNEYS OR AFFILIATES.

    Borrower:
             /s/ Bombardier Software
             -----------------------

          By /s/ [ILLEGIBLE SIGNATURE]
             ---------------------------
             President or Vice President

  Silicon:
     SILICON VALLEY BANK

     By /s/ [ILLEGIBLE SIGNATURE]
        ---------------------------
     Title Assistant Vice President
           ------------------------

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