<PAGE>
                                                                   Exhibit 10.19


                                      Contractor Name: Harrison Enterprise, Inc.



                    INDEPENDENT CONTRACTOR SERVICES AGREEMENT


THIS AGREEMENT is between NetManage, Inc. a Delaware Corporation and its
successors or assignees ("Client") and the undersigned Shelley A. Harrison, dba:
Harrison Enterprises, Inc. (the "Contractor").

1. ENGAGEMENT OF SERVICES. Client may from time to time issue Project
Assignment(s) in the form attached to this Agreement as Exhibit A. Subject to
the terms of this Agreement, Contractor will, to the best of its ability, render
the services set forth in Project Assignment(s) accepted by Contractor (the
"Project(s)") by the completion dates set forth therein. The manner and means by
which Contractor chooses to complete the Projects are in Contractor's sole
discretion and control. Contractor agrees to exercise the highest degree of
professionalism, and to utilize its expertise and creative talents in completing
such Projects. In completing the Projects, Contractor agrees to provide its own
equipment, tools and other materials at its own expense. Client will make its
facilities and equipment available to Contractor when necessary. Contractor
shall perform the services necessary to complete the Projects in a timely and
professional manner consistent with industry standards, and at a location, place
and time which the Contractor deems appropriate. Contractor may not subcontract
or otherwise delegate its obligations under this Agreement without Client's
prior written consent.

2. COMPENSATION. Client will pay Contractor a fee for services rendered under
this Agreement as set forth in the Project Assignment(s) undertaken by
Contractor and attached as EXHIBIT A. Contractor shall be responsible for all
expenses incurred in performing services under this Agreement. Upon termination
of this Agreement for any reason, Contractor will be paid fees and expenses on a
proportional basis as stated in the Project Assignment(s) for work which is then
in progress, to and including the effective date of such termination. Unless
other terms are set forth in the Project Assignment(s) for work which is in
progress, Client will pay the Contractor for services and will reimburse the
Contractor for previously approved expenses within thirty (30) days of the date
of Contractor's invoice.

3. INDEPENDENT CONTRACTOR RELATIONSHIP. Contractor's relationship with Client
will be that of an independent contractor and nothing in this Agreement should
be construed to create a partnership, joint venture, or employer-employee
relationship. Contractor is not the agent of Client and is not authorized to
make any representation, contract, or commitment on behalf of Client. Contractor
will not be entitled to any of the benefits which Client may make available to
its employees, such as group insurance, profit-sharing or retirement benefits.
Contractor will be solely responsible for all tax returns and payments required
to be filed with or made to any federal, state or local tax authority with
respect to Contractor's performance of services and receipt of fees under this
Agreement. Client will regularly report amounts paid to Contractor by filing
Form 1099-MISC with the Internal Revenue Service as required by law: Because
Contractor is an independent contractor, Client will not withhold or make
payments for social security; make unemployment insurance or disability
insurance contributions; or obtain worker's compensation insurance on
Contractor's behalf. Contractor agrees to accept exclusive liability for
complying with all applicable state and federal laws governing self-employed
individuals, including obligations such as payment of taxes, social security,
disability and other contributions based on fees paid to Contractor, its agents
or employees under this Agreement. Contractor hereby agrees to indemnify and
defend Client against any and all such taxes or contributions, including
penalties and interest.

4.      TRADE SECRETS - INTELLECTUAL PROPERTY RIGHTS.

        4.1 PROPRIETARY INFORMATION. Contractor agrees during the term of this
Agreement and thereafter that it will take all steps reasonably necessary to
hold Client's Proprietary Information in trust and confidence, will not use
Proprietary Information in any manner or for any purpose not expressly set forth
in this Agreement, and will not disclose any such Proprietary Information to any
third party without first obtaining Client's express written consent on a
case-by-case basis. By way of illustration but not limitation "PROPRIETARY
INFORMATION" includes (a) trade secrets, inventions, mask works, ideas,
processes, formulas, source and object codes, data, programs, other works of
authorship, know-how, improvements, discoveries, developments, designs and
techniques (hereinafter collectively referred to as "INVENTIONS"); and (b)
information regarding plans for research, development, new products, marketing
and selling, business plans, budgets and unpublished financial statements,
licenses, prices and costs, suppliers and customers; and (c) information
regarding the skills and compensation of other employees of Client.
Notwithstanding the other provisions of this Agreement, nothing received by
Contractor will be considered to be


                                       1.
<PAGE>
Client Proprietary Information if (1) it has been published or is otherwise
readily available to the public other than by a breach of this Agreement; (2) it
has been rightfully received by Contractor from a third party without
confidential limitations; (3) it has been independently developed for Contractor
by personnel or agents having no access to the Client Proprietary Information;
or (4) it was known to Contractor prior to its first receipt from Client.

        4.2 THIRD PARTY INFORMATION. Contractor understands that Client has
received and will in the future receive from third parties confidential or
proprietary information ("THIRD PARTY INFORMATION") subject to a duty on
Client's part to maintain the confidentiality of such information and use it
only for certain limited purposes. Contractor agrees to hold Third Party
Information in confidence and not to disclose to anyone (other than Client
personnel who need to know such information in connection with their work for
Client) or to use, except in connection with Contractor's work for Client, Third
Party Information unless expressly authorized in writing by an officer of
Client.

        4.3 NO CONFLICT OF INTEREST. Contractor agrees during the term of this
Agreement not to accept work or enter into a contract or accept an obligation,
inconsistent or incompatible with Contractor's obligations under this Agreement
or the scope of services rendered for Client. Contractor warrants that to the
best of its knowledge, there is no other existing contract or duty on
Contractor's part inconsistent with this Agreement, unless a copy of such
contract or a description of such duty is attached to this Agreement as EXHIBIT
B. Contractor further agrees not to disclose to Client, or bring onto Client's
premises, or induce Client to use any confidential information that belongs to
anyone other than Client or Contractor.

        4.4 DISCLOSURE OF WORK PRODUCT. As used in this Agreement, the term
"WORK PRODUCT" means any Invention, whether or not patentable, and all related
know-how, designs, mask works, trademarks, formulae, processes, manufacturing
techniques, trade secrets, ideas, artwork, software or other copyrightable or
patentable works. Contractor agrees to disclose promptly in writing to Client,
or any person designated by Client, all Work Product which is solely or jointly
conceived, made, reduced to practice, or learned by Contractor in the course of
any work performed for Client ("CLIENT WORK PRODUCT"). Contractor represents
that any Work Product relating to Client's business or any Project which
Contractor has made, conceived or reduced to practice at the time of signing
this Agreement ("PRIOR WORK PRODUCT") has been disclosed in writing to Client
and attached to this Agreement as EXHIBIT C. If disclosure of any such Prior
Work Product would cause Contractor to violate any prior confidentiality
agreement, Contractor understands that it is not to list such Prior Work Product
in EXHIBIT C but it will disclose a cursory name for each such invention, a
listing of the party(ies) to whom it belongs, and the fact that full disclosure
as to such Prior Work Product has not been made for that reason. A space is
provided in EXHIBIT C for such purpose.

        4.5 OWNERSHIP OF WORK PRODUCT. Contractor shall specifically describe
and identify in EXHIBIT C all technology which (a) Contractor intends to use in
performing under this Agreement, (b) is either owned solely by Contractor or
licensed to Contractor with a right to sublicense and (c) is in existence in the
form of a writing or working prototype prior to the Effective Date ("BACKGROUND
TECHNOLOGY"). Contractor agrees that any and all Inventions conceived, written,
created or first reduced to practice in the performance of work under this
Agreement shall be the sole and exclusive property of Client.

4.6 ASSIGNMENT OF CLIENT WORK PRODUCT. Except for Contractor's rights in the
Background Technology, Contractor irrevocably assigns to Client all right, title
and interest worldwide in and to the Client Work Product and all applicable
intellectual property rights related to the Client Work Product, including
without limitation, copyrights, trademarks, trade secrets, patents, moral
rights, contract and licensing rights (the "PROPRIETARY RIGHTS"). Except as set
forth below, Contractor retains no rights to use the Client Work Product and
agrees not to challenge the validity of Client's ownership in the Client Work
Product. Contractor hereby grants to Client a non-exclusive, royalty-free,
irrevocable and world-wide right, with rights to sublicense through multiple
tiers of sublicensees, to reproduce, make derivative works of, publicly perform,
and publicly display in any form or medium, whether now known or later
developed, distribute, make, use and sell Background Technology and any Prior
Work Product incorporated or used in the Client Work Product for the purpose of
developing and marketing Client products.

        4.7 WAIVER OR ASSIGNMENT OF OTHER RIGHTS. If Contractor has any rights
to the Client Work Product that cannot be assigned to Client, Contractor
unconditionally and irrevocably waives the enforcement of such rights, and all
claims and causes of action of any kind against Client with respect to such
rights, and


                                       2.
<PAGE>
agrees, at Client's request and expense, to consent to and join in any action to
enforce such rights. If Contractor has any right to the Client Work Product that
cannot be assigned to Client or waived by Contractor, Contractor unconditionally
and irrevocably grants to Client during the term of such rights, an exclusive,
irrevocable, perpetual, worldwide, fully paid and royalty-free license, with
rights to sublicense through multiple levels of sublicensees, to reproduce,
create derivative works of, distribute, publicly perform and publicly display by
all means now known or later developed, such rights.

        4.8 ASSISTANCE. Contractor agrees to cooperate with Client or its
designee(s), both during and after the term of this Agreement, in the
procurement and maintenance of Client's rights in Client Work Product and to
execute, when requested, any other documents deemed necessary by Client to carry
out the purpose of this Agreement. Contractor agrees to execute upon Client's
request a signed transfer of copyright to Client in the form attached to this
Agreement as EXHIBIT D for all Client Work Product subject to copyright
protection, including, without limitation, computer programs, notes, sketches,
drawings and reports.

        4.9 ENFORCEMENT OF PROPRIETARY RIGHTS. Contractor will assist Client in
every proper way to obtain, and from time to time enforce, United States and
foreign Proprietary Rights relating to Client Work Product in any and all
countries. To that end Contractor will execute, verify and deliver such
documents and perform such other acts (including appearances as a witness) as
Client may reasonably request for use in applying for, obtaining, perfecting,
evidencing, sustaining and enforcing such Proprietary Rights and the assignment
thereof. In addition, Contractor will execute, verify and deliver assignments of
such Proprietary Rights to Client or its designee. Contractor's obligation to
assist Client with respect to Proprietary Rights relating to such Client Work
Product in any and all countries shall continue beyond the termination of this
Agreement, but Client shall compensate Contractor at a reasonable rate after
such termination for the time actually spent by Contractor at Client's request
on such assistance.

        4.10 EXECUTION OF DOCUMENTS. In the event Client is unable for any
reason, after reasonable effort, to secure Contractor's signature on any
document needed in connection with the actions specified in the preceding
sections 4.8 and 4.9, Contractor hereby irrevocably designates and appoints
Client and its duly authorized officers and agents as its agent and attorney in
fact, which appointment is coupled with an interest, to act for and in its
behalf to execute, verify and file any such documents and to do all other
lawfully permitted acts to further the purposes of the preceding paragraph with
the same legal force and effect as if executed by Contractor. Contractor hereby
waives and quitclaims to Client any and all claims, of any nature whatsoever,
which Contractor now or may hereafter have for infringement of any Proprietary
Rights assigned hereunder to Client.

5. CONTRACTOR REPRESENTATIONS AND WARRANTIES. Contractor hereby represents and
warrants that (a) the Client Work Product will be an original work of Contractor
and any third parties will have executed assignment of rights reasonably
acceptable to Client; (b) neither the Client Work Product nor any element
thereof will infringe the Proprietary Rights of any third party; (c) neither the
Client Work Product nor any element thereof will be subject to any restrictions
or to any mortgages, liens, pledges, security interests, encumbrances or
encroachments; (d) Contractor will not grant, directly or indirectly, any rights
or interest whatsoever in the Client Work Product to third parties; (e)
Contractor has full right and power to enter into and perform this Agreement
without the consent of any third party; (f) Contractor will take all necessary
precautions to prevent injury to any persons (including employees of Client) or
damage to property (including Client's property) during the term of this
Agreement; and (g) should Client permit Contractor to use any of Client's
equipment, tools, or facilities during the term of this Agreement, such
permission shall be gratuitous and Contractor shall be responsible for any
injury to any person (including death) or damage to property (including Client's
property) arising out of use of such equipment, tools or facilities, whether or
not such claim is based upon its condition or on the alleged negligence of
Client in permitting its use.

6. INDEMNIFICATION. Contractor will indemnify and hold harmless Client, its
officers, directors, employees, sublicensees, customers and agents from any and
all claims, losses, liabilities, damages, expenses and costs (including
attorneys' fees and court costs) which result from a breach or alleged breach of
any representation or warranty of Contractor (a "Claim") set forth in Section 5
of this Agreement, provided that Client gives Contractor written notice of any
such Claim and Contractor has the right to participate in the defense of any
such Claim at its expense. From the date of written notice from Client to
Contractor of any such Claim, Client shall have the right to withhold from any
payments due Contractor under this Agreement the amount of any

                                       3.
<PAGE>
defense costs, plus additional reasonable amounts as security for Contractor's
obligations under this Section 6.

7. TERM AND TERMINATION.

        7.1 TERM. Subject to the provisions of Sections 7.2, 7.3 and 7.4 below,
this Agreement is valid for an initial term of two (2) years commencing on the
Effective Date in accordance with the terms of this Agreement.

        7.2 TERMINATION BY CLIENT. Client may terminate this Agreement at its
convenience and without any breach by Contractor upon ninety (90) days' prior
written notice to Contractor. Client may also terminate this Agreement
immediately in its sole discretion upon Contractor's material breach of Section
4 and/or Section 7.4.

        7.3 TERMINATION BY CONTRACTOR. Contractor may terminate this Agreement
at its convenience upon ninety (90) days' prior written notice to Client.

        7.4 NONINTERFERENCE WITH BUSINESS. During and for a period of two (2)
years immediately following termination of this Agreement by either party,
Contractor agrees not to solicit or induce any employee or independent
contractor to terminate or breach an employment, contractual or other
relationship with Client.

        7.5 RETURN OF CLIENT PROPERTY. Upon termination of the Agreement or
earlier as requested by Client, Contractor will deliver to Client any and all
drawings, notes, memoranda, specifications, devices, formulas, and documents,
together with all copies thereof, and any other material containing or
disclosing any Client Work Product, Third Party Information or Proprietary
Information of Client. Contractor further agrees that any property situated on
Client's premises and owned by Client, including disks and other storage media,
filing cabinets or other work areas, is subject to inspection by Client
personnel at any time with or without notice.

8. GOVERNMENT OR THIRD PARTY CONTRACTS.

        8.1 GOVERNMENT CONTRACTS. In the event that Contractor shall perform
services under this Agreement in connection with any Government contract in
which Client may be the prime contractor or subcontractor, Contractor agrees to
abide by all laws, rules and regulations relating thereto. To the extent that
any such law, rule or regulation requires that a provision or clause be included
in this Agreement, Contractor agrees that such provision or clause shall be
added to this Agreement and the same shall then become a part of this Agreement.

        8.2 SECURITY. In the event the services of the Contractor should require
Contractor to have access to Department of Defense classified material, or other
classified material in the possession of Client's facility, such material shall
not be removed from Client's facility. Contractor agrees that all work performed
under this Agreement by Contractor which involves the use of classified material
mentioned above shall be performed in a secure fashion (consistent with
applicable law and regulations for the handling of classified material) and only
at Client's facility.

        8.3 OWNERSHIP. Contractor also agrees to assign all of its right, title
and interest in and to any Work Product to a Third Party, including without
limitation the United States, as directed by Client.

9. GENERAL PROVISIONS.

        9.1 GOVERNING LAW. This Agreement will be governed and construed in
accordance with the laws of the State of California as applied to transactions
taking place wholly within California between California residents. Contractor
hereby expressly consents to the personal jurisdiction of the state and federal
courts located in Santa Clara County, California for any lawsuit filed there
against Contractor by Client arising from or related to this Agreement.

        9.2 SEVERABILITY. In case any one or more of the provisions contained in
this Agreement shall, for any reason, be held to be invalid, illegal or
unenforceable in any respect, such invalidity, illegality or unenforceability
shall not affect the other provisions of this Agreement, and this Agreement
shall be construed as if such invalid, illegal or unenforceable provision had
never been contained herein. If moreover, any one or more of the provisions
contained in this Agreement shall for any reason be held to be excessively broad
as to duration, geographical scope, activity or subject, it shall be construed
by limiting and reducing it, so as to be enforceable to the extent compatible
with the applicable law as it shall then appear.

        9.3 NO ASSIGNMENT. This Agreement may not be assigned by Contractor
without Client's consent,

                                       4.
<PAGE>
and any such attempted assignment shall be void and of no effect.

        9.4 NOTICES. All notices, requests and other communications under this
Agreement must be in writing, and must be mailed by registered or certified
mail, postage prepaid and return receipt requested, or delivered by hand to the
party to whom such notice is required or permitted to be given. If mailed, any
such notice will be considered to have been given five (5) business days after
it was mailed, as evidenced by the postmark. If delivered by hand, any such
notice will be considered to have been given when received by the party to whom
notice is given, as evidenced by written and dated receipt of the receiving
party. The mailing address for notice to either party will be the address shown
on the signature page of this Agreement. Either party may change its mailing
address by notice as provided by this section.

        9.5 INJUNCTIVE RELIEF. A breach of any of the promises or agreements
contained in this Agreement may result in irreparable and continuing damage to
Client for which there may be no adequate remedy at law, and Client is therefore
entitled to seek injunctive relief as well as such other and further relief as
may be appropriate.

        9.6 SURVIVAL. The following provisions shall survive termination of this
Agreement: Section 4, Section 5, Section 6 and Section 7.3.

        9.7 EXPORT. Contractor agrees not to export, directly or indirectly, any
U.S. source technical data acquired from Client or any products utilizing such
data to countries outside the United States, which export may be in violation of
the United States export laws or regulations.

        9.8 WAIVER. No waiver by Client of any breach of this Agreement shall be
a waiver of any preceding or succeeding breach. No waiver by Client of any right
under this Agreement shall be construed as a waiver of any other right. Client
shall not be required to give notice to enforce strict adherence to all terms of
this Agreement.

        9.9 ENTIRE AGREEMENT. This Agreement is the final, complete and
exclusive agreement of the parties with respect to the subject matter hereof and
supersedes and merges all prior discussions between us. No modification of or
amendment to this Agreement, nor any waiver of any rights under this Agreement,
will be effective unless in writing and signed by the party to be charged. The
terms of this Agreement will govern all Project Assignments and services
undertaken by Contractor for Client. In the event of any conflict between this
Agreement and a Project Assignment, the Project Assignment shall control, but
only with respect to the services set forth herein.


                                       5.
<PAGE>
        IN WITNESS WHEREOF, the parties have caused this Independent Contractor
Services Agreement to be executed by their duly authorized representative.

CLIENT:

NetManage, Inc.
---------------------------------------------

Zvi Alon
---------------------------------------------
              (Printed Name)

By: /s/ Zvi Alon
                -----------------------------

Title: CEO
          -----------------------------------

Address: 10725 North De Anza Blvd.
                                  -----------

Cupertino, CA 95014
---------------------------------------------

---------------------------------------------



CONTRACTOR:

HARRISON ENTERPRISES INC.
---------------------------------------------
              (Printed Name)

By:  /s/ Shelley A. Harrison
                            -----------------

Title: Chairman
               ------------------------------
     (if applicable)

Address: 5 Norma Lane
                     -----------------------

Dix Hills, NY  11746
---------------------------------------------

---------------------------------------------


        For copyright registration purposes only, Contractor must provide the
        following information:

       Date of Birth:  10/13/42
                               -----------
Nationality or Domicile:  USA
                              -----------




                                       6.
<PAGE>
                                    EXHIBIT A

                               PROJECT ASSIGNMENT


                          BRIEF DESCRIPTION OF SERVICES

Contractor shall spend two days per week assisting the Chief Executive Officer
and designated internal team of the Client's management in developing and
perfecting its new business plan. The Contractors effort will be based primarily
out of New York with travel to Client, its customers or business partner sites
as necessary.

PAYMENT OF FEES. Fee will be:

A fixed sum of $150,000 per year (including Contractor's annual Director's fee,
which shall not exceed $12,000 per year for the term of this Agreement). The
fees shall be paid at the end of each month for twenty-four (24) months or until
the earlier termination of this Agreement.

Contractor shall also be granted an option to purchase 150,000 total shares
(including Contractor's annual grant of 1,600 shares from the Client's
Director's Plan and 146,800 shares at a share price of $1.92 from the Client's
1999 Non-Statutory Stock Option Plan in accordance with its terms of each such
plan respectively) of the Common Stock (the "Options"). During the term of this
Agreement, the Options granted under Client's 1999 Non-Statutory Stock Option
Plan (the "Plan") shall vest and become exercisable in accordance with the
following schedule: 1/24th of the shares shall vest each month from the date
executed by Contractor below as the commencement date . Upon a change of control
of the Client, the Options granted under the Plan shall vest in full
immediately. Upon the cessation of Contractor's engagement, for any reason other
than a change of control, the Options granted under the Plan shall immediately
terminate with respect to any shares for which the Options are not otherwise at
that time vested and exercisable. Vested shares shall survive such termination
for a period of five years.


        If this Project Assignment or the Independent Contractor Services
Agreement which governs it is terminated for any reason, fees will be paid based
on:

contractor time spent:

the proportion of the deliverables furnished Client, as determined by Client:

other, as follows:
                  --------------------------------------------------------------

--------------------------------------------------------------------------------

EXPENSES.  Client will reimburse Contractor for the following expenses:


Out of pocket T&E expenses, receipted


NOTE:   This Project Assignment is governed by the terms of an Independent
        Contractor Services Agreement in effect between Client and Contractor.
        In the event that any item in this Project Assignment is inconsistent
        with that Agreement, the terms of this Project Assignment shall govern,
        but only with respect to the services set forth in this Project
        Assignment.


Signed: /s/ Zvi Alon                   /s/ Shelley A. Harrison
                    ---------------                           ------------------
       for Client                      Contractor

Dated: 05/28/03


                                      A-1.
<PAGE>
                                    EXHIBIT B

                         CONFLICT OF INTEREST DISCLOSURE


                                      B-1.
<PAGE>
                                    EXHIBIT C

                          PRIOR WORK PRODUCT DISCLOSURE

        1. Except as listed in Section 2 below, the following is a complete list
of all Prior Work Product that have been made or conceived or first reduced to
practice by Contractor alone or jointly with others prior to my engagement by
Client:

    [ ] No inventions or improvements.

    [ ] See below:

        ------------------------------------------------------------------------

        ------------------------------------------------------------------------

        ------------------------------------------------------------------------

    [ ] Additional sheets attached.

        2. Due to a prior confidentiality agreement, Contractor cannot complete
the disclosure under Section 1 above with respect to inventions or improvements
generally listed below, the proprietary rights and duty of confidentiality with
respect to which Contractor owes to the following party(ies):

<TABLE>
<CAPTION>
     INVENTION OR IMPROVEMENT            PARTY(IES)                  RELATIONSHIP
<S>                                <C>                           <C>
1.
     ------------------------      ------------------------      ------------------------

2.
     ------------------------      ------------------------      ------------------------

3.
     ------------------------      ------------------------      ------------------------
</TABLE>

     [ ] Additional sheets attached.


                        BACKGROUND TECHNOLOGY DISCLOSURE

        The following is a list of all Background Technology which Contractor
intends to use in performing under this Agreement:

        ------------------------------------------------------------------------

        ------------------------------------------------------------------------

        ------------------------------------------------------------------------




                                      C-1.
<PAGE>
                                    EXHIBIT D

                             ASSIGNMENT OF COPYRIGHT



        For good and valuable consideration which has been received, the
undersigned sells, assigns and transfers to Client, a Delaware corporation, and
its successors and assigns, the copyright in and to the following work, which
was created by the following indicated author(s):

Title:
      ---------------------------

Author(s):
          ---------------------------


Copyright Office Identification No. (if any):
                                              ---------------------------


and all of the right, title and interest of the undersigned, vested and
contingent, therein and thereto.

        Executed this               day of            , 20        .

                                  Signature:
                                            ------------------------------------

                                  Printed Name:
                                               ---------------------------------