Document:

<PAGE>   1
                                                                    EXHIBIT 10.5

                             STOCK OPTION AGREEMENT

     This Stock Option Agreement (the "AGREEMENT"), made as of this 6th day of
August, 1999 (the "DATE OF GRANT"), is between MigraTEC, Inc., a Florida
corporation (the "COMPANY") and EAI Partners Inc., a Florida corporation
("OPTIONEE").

                            Introductory Statements

     Whereas, the parties hereto previously were parties to a certain Stock
Option Agreement dated November 12, 1996, pursuant to which the parties had
various duties and obligations pursuant to such agreement, and

     Whereas, the parties hereto desire to release each other of and from any
and all obligations which either party may have had under such Stock Option
Agreement, and

     Whereas, the Company desires to grant to Optionee certain rights, as
provided hereunder, with respect to 5,903,614 shares (the "OPTION SHARES") of
the Company's authorized but unissued common stock, no par value per share (the
"COMMON STOCK"), and

     Whereas, the parties wish to replace the duties and obligations of the
parties to said Stock Option Agreement with the duties and obligations of the
parties contained in this Agreement.

          NOW, THEREFORE, in consideration of the foregoing and the mutual
covenants hereinafter set forth, the parties hereof, intending to become
legally bound, agree as follows:

     1.   Grant of the Option. The Company hereby grants to Optionee the right
and option to purchase, on the terms and conditions hereinafter set forth, the
Option Shares (the "OPTION"). The per share purchase price of the first
1,903,614 Option Shares to become exercisable pursuant to this Option shall be
$0.075 per share. Optionee agrees to exercise 1,000,000 shares of the first
1,903,614 Option Shares immediately upon signing this agreement by tendering
payment of $75,000 to the Company. The per share purchase price of the next
2,000,000 Option Shares to become exercisable pursuant to this Option shall be
the greater of (i) $0.20 or (ii) the Standard Exercise Price, as hereinafter
defined. The per share purchase price of the final 2,000,000 Option Shares to
become exercisable pursuant to this Option shall be the greater of (i) $0.50 or
(ii) the Standard Exercise Price. Notwithstanding the foregoing, in the event
Optionee exercises an additional 333,333 shares of the first 1,903,614 Option
Shares by tendering an additional payment of $25,000 to the Company on or
before September 4, 1999, the per share purchase price of the final 2,000,000
Option Shares to become exercisable pursuant to this Option shall be the
greater of $0.20 or the Standard Exercise Price. The Standard Exercise Price
shall be defined as 50% of the average of the closing bid prices per share of
the Common Stock for the five days immediately prior to the date of Optionee's
exercise as traded on the Nasdaq OTC Bulletin Board or the principal exchange
over which the Common Stock is traded immediately prior to the date of
exercise.
<PAGE>   2
      2. Option Term. Subject to the provisions of Section 3, the term of the
Option and this Agreement shall begin immediately and continue until twelve
months after the date the Company's Registration Statement (to be filed
pursuant to Section 8) first becomes effective.

      3. Vesting and Expiration of Stock Options.

         This Option shall only be exercisable in accordance with the following
vesting schedule:

<TABLE>
<CAPTION>
<S>                       <C>              <C>
Number of Shares          Vesting Date                         Expiration Date
----------------          ------------                         ---------------
   1,903,614              Immediate        30 days after the date the Company's Registration Statement (to be filed pursuant to
                                           Section 8) first becomes effective

   2,000,000              Immediate        6 months after the date the Company's Registration Statement (to be filed pursuant to
                                           Section 8) first becomes effective

   2,000,000              Immediate        12 months after the date the Company's Registration Statement (to be filed pursuant to
                                           Section 8) first becomes effective
</TABLE>

     4.  Exercise of the Option. This Option may be exercised as to Option
Shares either in whole or in part but prior to expiration as specified in
Section 3 of this Agreement. Each exercise of the Option, or any part thereof,
shall be evidenced by a notice in writing to the Company. The applicable
exercise price of the Option Shares as to which to the Option shall be
exercised shall be paid in full at the time of exercise, and may be paid to the
Company by wire transfer in immediately available funds to the account set
forth on Exhibit A hereto.

     5.  No Rights as Shareholder Until Exercise. Optionee acknowledges to the
Company that Optionee shall not have any of the rights of a shareholder of the
Company with respect to the Option Shares covered by this Agreement except to
the extent that one or more certificates of such Option Shares shall have been
delivered to Optionee, or Optionee has been determined to be a shareholder of
record by the Company's Transfer Agent, upon due exercise of the Option granted
hereunder.

     6.  Adjustments Upon Changes in Capitalization or Reorganization. The
number of Option Shares subject to this Option shall be adjusted from time to
time as follows:

     (a) Subject to any required action by shareholders of the Company, the
number of Option Shares subject to this Option, and the Exercise Price shall be
proportionately and equitably adjusted for any increase or decrease in the
number of shares issued and outstanding Common Stock as a result of a
subdivision or consolidation (i.e. stock split) of shares or the declaration of
a stock dividend (but only in shares of Common Stock).

     (b) Subject to any required action by shareholders of the Company, if the
Company shall be the surviving corporation in any reorganization, merger or
consolidation, and if a plan or
<PAGE>   3
agreement reflecting any such event is in effect that specifically provides for
the change, conversion or exchange of the Common Stock, then any adjustment to
the Option Shares subject to this Option shall not be inconsistent with the
terms of any such plan or agreement.

     (c) In the event of a change in the Common Stock as presently constituted,
which is limited to a change of par value into the same number of shares with a
different par value or without par value, the Option Shares resulting from any
such change shall be deemed to be the Option Shares within the meaning of this
Agreement.

     (d) The Optionee shall have no rights by reason of: 1) any subdivision or
consolidation of stock of any class other than Common Stock or 2) the payment
of any stock dividend on other than Common Stock or 3) any other increase or
decrease in the number of shares of stock of any class other than Common Stock
by reason of any dissolution, liquidation, reorganization, merger or
consolidation or 4) spinoff of assets or stock of another corporation, and any
issue by the Company of shares of stock of any class other than Common Stock,
or securities convertible into shares of stock of any class, shall not affect,
and no adjustment by reason thereof shall be made with respect to, the number
or Exercise Price of the Option Shares subject to this Option.

     (e) The Optionee shall have no preemptive rights with respect to the
Option Shares subject to this Option.

     7. Non-Transferability of the Option. This Option shall not be
transferable and shall be exercisable only by Optionee.

     8. Registration.

     (a) The Company agrees to file with the Securities & Exchange Commission no
later than August 31, 2000, a shelf registration statement ("REGISTRATION
STATEMENT") for an offering to be made on a continuous basis pursuant to Rule
415 covering all of the Option Shares. The Registration Statement shall be on
Form SB-1 under the Securities Act or another appropriate form permitting
registration of such Option Shares for resale by the Optionee. The Company shall
use its best efforts to cause such Registration Statement to be declared
effective pursuant to the Securities Act as promptly as practicable following
the filing thereof and to keep the Registration Statement continuously effective
under the Securities Act throughout the period ending August 31, 2001 (except
during periods following the filing of a post-effective amendment thereto and
prior to the declaration of the effectiveness of such post-effective amendment;
provided, the Company shall use its best efforts to cause any such
post-effective amendment to be declared effective as soon as practicable), or
such shorter period as may be specified by the Commission in amending Rule 144
or ending when there cease to be outstanding any restricted Option Shares
("Effectiveness Time"). In connection with such registration of the Option
Shares, the Company shall use its reasonable efforts to register or qualify or
cooperate with Optionee and respective counsel in connection with the
registration or qualification (or exemption from such registration or
qualification) of such Option Shares for offer and sale under the securities or
"Blue Sky" laws of the state of Florida and such jurisdictions within the United
States as Optionee reasonably requests in writing. Notwithstanding the
foregoing, in the event the Company fails to file the Registration Statement by
August 31, 2000, Optionee shall be entitled to purchase an additional 600,000
shares of common stock of the Company at the greater of (i) $0.50 per share, or
(ii) the Standard Exercise Price. In
<PAGE>   4
such event. Optionee's right to purchase such additional 600,000 shares shall
begin or commence on September 1, 2000, and shall expire on August 31, 2001.

     (b)      Optionee shall provide such information as is requested by the
Company and cooperate fully with the Company's efforts to the cause the
Registration Statement to be declared effective under the Securities Act.

     (c)      The fees and expenses incident to the performance of or compliance
with this section shall be borne by the Company whether or not the Registration
Statement becomes effective and whether or not any securities are sold pursuant
to any Registration Statement. The fees and expenses referred to in the
foregoing sentence shall include, without limitation, (i) all registration and
filing fees (including, without limitation, fees and expenses (A) with respect
to filings required to be made with the National Association of Securities
Dealers, Inc. and (B) in compliance with the applicable state securities laws,
(ii) printing expenses, (iii) fees and disbursements of Counsel for the Company
(but not counsel for the Optionee), (iv) fees and disbursements of the Company's
independent certified public accountants, and (v) fees and expenses of all other
persons retained for such purpose by the Company.

     9.       COMPLIANCE WITH SECURITIES AND OTHER LAWS. In no event shall the
Company be required to issue Option Shares under this Option if the issuance
thereof would constitute a violation of applicable federal or state securities
laws or regulations or a violation of any other law or regulation of any
governmental or regulatory agency or authority or any national securities
exchange. As a condition to any transfer of Option Shares, the Company may place
legends on Option Shares, issue stop transfer orders, and require such
agreements or undertakings as the Company may deem necessary or advisable to
assure compliance with any such laws or regulations, including, if the Company
or its counsel deems it reasonably appropriate, further representation from
Optionee that Optionee is acquiring the Option Shares solely for investment and
not with a view to distribution and that no distribution of the Option Shares
will be made unless such shares are registered pursuant to applicable securities
laws, or in the opinion of counsel of the Company, such registration is
unnecessary or not required.

     10.      ORGANIZATION OF OPTIONEE. Optionee is a corporation duly organized
under the laws of the State of Florida and is validly existing under the laws of
Florida.

     11.      AUTHORITY OF OPTIONEE. Optionee has full corporate power and
authority to execute and deliver this Agreement and to carry out its obligations
hereunder. The execution, delivery and performance by Optionee of this Agreement
have been duly authorized by the Optionee. This Agreement is a valid, binding
and enforceable obligation of the Optionee, enforceable against it in accordance
with its terms, except to the extent the enforceability thereof may be limited
by bankruptcy, insolvency, reorganization or other laws and judicial decisions
of general application relating to or affecting the enforcement of creditors'
rights generally or by general equitable principles.

     12.      ACCREDITED INVESTOR. Optionee is an "Accredited Investor" as such
term is defined in Section 501(a) of the Securities Act. Optionee represents and
warrants that is has such knowledge and experience in financial and business
matters as to be capable of evaluating the merits and risks
<PAGE>   5
of its investment in the Option and the Option Shares. Optionee has had the
opportunity to obtain from the Company any and all information, to the extent
possessed by the Company or obtainable with reasonable efforts by the Company,
necessary to evaluate the merits and risks of an investment in the Option and
the Option Shares and has concluded, based on such information and other
information previously known to Optionee, to invest in the Option and the
Option Shares pursuant to the terms of this Agreement.

     13.  Investment Purposes. Optionee hereby represents and warrants that it
is acquiring the Option and the Option Shares for investment purposes only, for
its own account, and not as nominee or agent for any other person or entity,
and not with a view to, or for resale in connection with, any distribution
thereof within the meaning of the Securities Act. Optionee has no agreement or
other arrangement with any person or entity to sell, transfer or pledge any
part of the Option Shares and has no plans to enter into any such agreement or
arrangement.

     14.  Restricted Security. Optionee acknowledges that the Option Shares are
not currently registered under the Securities Act. Optionee further
acknowledges that the representative of the Company has advised Optionee that
no state or federal agency or instrumentality has made any finding or
determination as the investment in the Option Shares, nor has any state or
federal agency or instrumentality made any recommendation with respect to any
purchase or investment in the Option Shares.

     15.  Release of Prior Obligations. The parties hereto release each other
of and from all duties and obligations which either party has or had, whether
previously, currently or potentially in the future, under the Stock Option
Agreement between the parties dated November 12, 1996, and agree that said
Stock Option Agreement shall be deemed null and void as of the date first
written above.

     16.  Domicile. As of the date hereof, the principal business office of the
Optionee is in the State of Florida.

     17.  Notices. Any notice necessary under this Agreement shall be in
writing, addressed (a) to the Company in care of its General Counsel at 12801
Stemmons Freeway, Suite 710, Dallas, Texas, 75234 and/or (b) to Optionee at
1900 Corporate Blvd., Suite 305 West, Boca Raton, Florida, 33431. Except as
otherwise provided herein, any such notice shall be deemed effective upon
receipt thereof by the addressee.

     18.  Choice of Law. THE INTERPRETATION, PERFORMANCE AND ENFORCEMENT OF
THIS AGREEMENT SHALL BE GOVERNED BY THE LAWS OF THE STATE OF FLORIDA, WITHOUT
REGARD TO THE CONFLICTS OF LAWS PRINCIPLES THEREOF.

     19.  Amendment of Agreement. This Agreement may be amended, altered,
suspended, discontinued or terminated only by the mutual written consent of
both parties.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the date first written above.
<PAGE>   6

                                                    MIGRATEC, INC.

                                                    By: /s/ CURTIS OVERSTREET
                                                        ---------------------
                                                    Name: Curtis Overstreet
                                                    Title: President

                                                    OPTIONEE:

                                                    EAI PARTNERS, INC.

                                                    By: /s/ MILTON H. BARBARCSH
                                                        -----------------------
                                                    Name: Milton H. Barbarcsh
                                                    Title: President<PAGE>   1
                                                                    EXHIBIT 10.8

                       NONQUALIFIED STOCK OPTION AGREEMENT

         This NONQUALIFIED STOCK OPTION AGREEMENT (the "Agreement") is made and
entered into as of the 31st day of January, 2000, by and between MigraTEC, Inc.,
a Florida corporation (herein called the "Corporation"), and ______________
(herein called the "Optionee").
                                   WITNESSETH:

         WHEREAS, the Corporation deems it advisable to issue to the Optionee
options to purchase shares of the Corporation's common stock (the "Common
Stock");
         NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained and other good and valuable consideration, the
parties hereto agree as follows:

         1. The Corporation hereby acknowledges that the Optionee has the right
and option pursuant to this Agreement to purchase from the Corporation, on the
terms and conditions hereinafter set forth, _____________ shares of the
presently authorized Common Stock of the Corporation at a per share purchase
price equal to $.20.

         2. This option shall continue until January 31, 2010, except and to the
extent that such term may be reduced as provided herein.

         3. The option granted hereby shall be exercised by delivering to the
Secretary of the Corporation from time to time a written notice specifying the
number of shares the Optionee then desires to purchase, together with (i)
payment of the purchase price for such shares in the manner set forth below and
(ii) such other instruments or agreements duly signed by the Optionee as in the
opinion of counsel for the Corporation may be necessary or advisable in order
that the issuance of such number of shares shall comply with applicable rules
and regulations under the Securities Act of 1933, as amended (the "Act"), any
appropriate state securities laws or any requirement of the

<PAGE>   2

National Association of Securities Dealers, Inc. or any national securities
exchange on which such stock may be traded. Payment of the purchase price for
the shares being purchased hereunder shall be made by delivery from the Optionee
to the Corporation of a cashier's check payable in United States currency
(unless a personal check shall be acceptable to the Corporation) to the order of
the Corporation and/or, to the extent permitted by applicable law,
certificate(s) representing shares of Common Stock of the Corporation, such
shares so delivered valued on the date of exercise of the option at the
aggregate Fair Market Value (as herein defined) of such shares. To the extent
such aggregate Fair Market Value of such shares of Common Stock exceeds the
applicable portion of the purchase price not covered by check, the Corporation
shall issue a new certificate representing the number of shares of Common Stock
equivalent to such excess. Shares of Common Stock delivered in payment of the
portion of the purchase price not covered by check shall be deemed treasury
stock of the Corporation.

         With the consent of the Board of Directors, the option granted hereby
may be exercised by means of a Cashless Exercise. For purposes of this
Agreement, a "Cashless Exercise" means the assignment in a form acceptable to
the Corporation of the proceeds of a sale or loan with respect to some or all of
the shares acquired upon the exercise of this option pursuant to a program or
procedure approved by the Corporation (including, without limitation, through an
exercise complying with the provisions of Regulation T as promulgated from time
to time by the Board of Governors of the Federal Reserve System). The
Corporation reserves the right, in its absolute and sole discretion, to decline
to approve or to terminate any such program or procedure. Generally, and without
limiting the Corporation's absolute discretion, a Cashless Exercise will be
permitted only at such times as the underlying shares are publicly traded.

                                      -2-
<PAGE>   3

         As soon as practicable after exercise of this option in whole or in
part by the Optionee, the Corporation will deliver to the Optionee a certificate
for the number of shares with respect to which the option shall have been so
exercised, issued in the Optionee's name. Such stock certificate shall carry
such appropriate legend, and such written instructions shall be given to the
Corporation's transfer agent, as may be deemed necessary or advisable by counsel
to the Corporation to satisfy the requirements of the Act or any state
securities laws. For purposes of this Agreement, "Fair Market Value" shall mean
(i) if the Common Stock is listed or admitted to trade on a national securities
exchange, the closing price of a share of the Common Stock on the Composite
Tape, as published in the Wall Street Journal, of the principal national
securities exchange on which the Common Stock is so listed or admitted to trade,
on such date or, if there is no trading of the Common Stock on such date, then
the closing price of the Common Stock as quoted on such Composite Tape on the
next preceding date on which there was trading in such shares; (ii) if the
Common Stock is not listed or admitted to trade on a national securities
exchange, (a) the closing price of a share of the Common Stock as quoted on The
Nasdaq Stock Market (the "Nasdaq"), if the stock is quoted thereon, on such date
or, if there is no trading of the Common Stock on such date, then the closing
price of a share of the Common Stock as quoted on the Nasdaq on the next
preceding date on which there was trading in such shares or (b) if the Common
Stock is not quoted on the Nasdaq, the mean between the bid and asked price for
a share of the Common Stock on such date, as furnished by the National
Association of Securities Dealers, Inc. through Nasdaq or a similar organization
if the Nasdaq is no longer reporting such information; or (iii) if the Common
Stock is not listed or admitted to trade on a national securities exchange and
if closing and bid and asked prices for a share of the Common Stock are not so
quoted on the Nasdaq or furnished through the Nasdaq or a similar organization,

                                      -3-
<PAGE>   4

as applicable, the value established by the Board of Directors. In addition to
the above rules, Fair Market Value shall be determined without regard to any
restriction other than a restriction which, by its terms, will never lapse.

         4. Shares to be issued on the exercise of this option may, at the
election of the Corporation, be either authorized and unissued shares, or shares
previously issued and reacquired by the Corporation.

         5. The Corporation shall not be required to issue or deliver any
certificates for shares purchased upon the exercise of this option prior to: (i)
the obtaining of any approval from any governmental agency which the Corporation
shall, in its sole discretion, determine to be necessary or advisable and (ii)
the determination by the Board of Directors (or a committee thereof) that the
Optionee has tendered to the Corporation any federal, state or local tax owed by
the Optionee as a result of exercising this option when the Corporation has a
legal liability to satisfy such tax. In addition, if shares reserved for
issuance upon the exercise of this option shall not then be registered under the
Act, the Corporation may, upon the Optionee's exercise of this option, require
the Optionee or his permitted transferee to represent in writing that the shares
being acquired are for investment and not with a view to distribution, and may
mark the certificate for the shares with a legend restricting transfer and may
issue stop transfer orders relating to such certificate to the Corporation's
transfer agent.

         6. Neither the Optionee nor his legal representative shall be or have
any of the rights or privileges of a stockholder of the Corporation in respect
to any of the shares issuable upon the exercise of this option unless and until
certificates representing such shares shall have been issued and delivered to
the Optionee.

                                      -4-
<PAGE>   5

         7. Any notice relating to this Agreement shall be in writing and
delivered in person or by registered mail to the Corporation at the
Corporation's main office, 11494 Luna Road, Suite 100, Dallas, Texas 75234, or
to such other address as may be hereafter specified by the Corporation, to the
attention of its Secretary. All notices to the Optionee or other person or
persons then entitled to exercise the option shall be delivered to the Optionee
or such other person or persons at the Optionee's address specified below.

         8. In the event that, prior to the delivery of all of the shares in
respect to which this option is granted, there shall be a merger or
consolidation of the Corporation in which the Corporation is the surviving
corporation and, if as a result thereof, outstanding shares of Common Stock are
changed, converted or exchanged, then there shall be substituted for each share
of stock subject to the option granted hereby the number, kind or amount of
shares of stock or other securities or cash, property, rights or obligations
into which the outstanding shares of Common Stock shall be so changed, converted
or exchanged as a result of such merger or consolidation. In the case of any
such substitution or adjustment as provided in this paragraph, the purchase
price referred to in this Agreement for the shares covered hereby shall be the
purchase price for the shares or other securities or cash, property, rights or
obligations which shall have been substituted for the shares covered hereby or
to which such shares shall have been adjusted. Any adjustment or substitutions
pursuant to this paragraph shall be made by the Board of Directors (or a
committee thereof) of the Corporation, whose determination in the matter shall
be conclusive and binding on the Corporation, the Optionee and his legal
representatives.

         9. Any payment or any issuance or transfer of shares of the Common
Stock to the Optionee or his legal representative, heir, legatee or distributee,
in accordance with the provisions

                                      -5-
<PAGE>   6

hereof, shall, to the extent thereof, be in full satisfaction of all claims of
such persons hereunder. The Board of Directors of the Corporation may require
the Optionee, legal representative, heir, legatee or distributee, as a condition
precedent to such payment, to execute a release and receipt therefor in such
form as it shall determine.

         10. This option is not intended to qualify as an "incentive stock
option" within the meaning of Section 422 of the Internal Revenue Code of 1986,
as amended.

         11. This Agreement may be amended at any time by the Corporation and
the Optionee by the execution of a document thereto in writing.

         12. The option issued hereunder shall be governed by, and construed and
enforced in accordance with, laws of the State of Texas applicable to contracts
made and performed within that state.

         13. All expenses incident to the administration, termination or
protection of this Agreement, including, but not limited to, legal and
accounting fees, shall be paid by the Corporation.

         14. In the event any provision of this Agreement shall be held to be
illegal or invalid for any reason, the illegality or invalidity shall not affect
the remaining provisions hereof, but shall be fully severable and the Agreement
shall be construed and enforced as if the illegal or invalid provision had never
been included herein.

         15. This Agreement shall be binding upon the Optionee, his heirs,
legatees and legal representatives, upon the Corporation, its successors and
assigns and upon the Board of Directors and its successors.

                                      -6-
<PAGE>   7

         IN WITNESS WHEREOF, the Corporation has caused this Agreement to be
executed in its name by its Chief Executive Officer and on the date and year
first above written, and the Optionee has hereunto set his hand on the day and
year specified above.

                                           MIGRATEC, INC.

                                           By:
                                              ----------------------------------
                                              Curtis Overstreet
                                              Chief Executive Officer

                                           OPTIONEE:

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

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

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

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