Document:

<PAGE>   1
                                                                   EXHIBIT 10.21

                        DEFERRED COMPENSATION AGREEMENT

         THIS AGREEMENT is made and entered into effective as of the ________
day of __________, 199___, by and between InfoCure Corporation, a Delaware
corporation (the "Company") and Richard E. Perlman ("Employee").

         WHEREAS, the Company and Employee are parties to that certain
Restricted Stock Award Agreement dated June 1, 1998 (the "Restricted Stock
Agreement"), whereby Employee was awarded thirty thousand (30,000) shares of
the Company"s common stock (the "Bonus Shares"), subject to certain vesting
requirements;

         WHEREAS, none of the Bonus Shares have vested as of the date hereof;
and

         WHEREAS, Employee and the Company desire to modify the Restricted
Stock Agreement so that in the event the Bonus Shares vest, the benefit is
credited under a deferred compensation arrangement.

         FOR AND IN CONSIDERATION of the premises and mutual covenants
contained herein, and other good and valuable consideration, the receipt and
sufficiency of which is hereby acknowledged, the parties hereto agree as
follows:

         1.       Bonus Shares. In the event the Bonus Shares vest,
Employee irrevocably elects to have a benefit equivalent to the thirty thousand
(30,000) Bonus Shares credited to a deferred compensation account maintained by
the Company for the benefit of Employee.

         2.       Unfunded Nature of Benefit. The benefit contemplated
hereby is an unfunded promise to pay a benefit equivalent to the value of
thirty thousand (30,000) (subject to adjustment as provided in Section 4.
hereof) shares of the Company's common stock as of the date of payment. Any
funds which may be segregated for payment of this obligation of the Company
shall continue for all purposes to be a part of the general funds of the
Company and no person other than the Company shall by virtue of the provisions
of this Agreement have any interest in such funds.

         3.       Payment. Employee shall be entitled to receive a benefit
equivalent to the thirty thousand (30,000) Bonus Shares only upon termination
of his employment with the Company. The benefit shall be paid in shares of the
Company's common stock to Employee within thirty (30) days following the date
of such termination of employment.

         4.       Adjustments. If the number of outstanding shares of common
stock of the Company is increased or decreased by reason of a split-up, stock
split, reverse stock split, reclassification, distribution of a common stock
dividend, or other similar capital adjustment, an appropriate adjustment shall
be made in the benefit payable pursuant hereto, such that Employee's
proportionate interest shall be maintained as before the occurrence of such
event.

         5.       Governing Law. This Agreement shall be construed,
administered and enforced according to the laws of the State of Georgia.

<PAGE>   2

         6.       Entire Agreement. This Agreement, and the Restricted Stock
Agreement to the extent not inconsistent herewith, express the entire
understanding and agreement of the parties with respect to the subject matter
hereof.

         7.       Amendment. This Agreement may be amended or revoked at any
time in whole or in part by the mutual written agreement of the parties hereto.

         8.       Counterparts. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which shall
constitute one and the same instrument.

         IN WITNESS WHEREOF, the parties have executed this Agreement effective
as of the day and year first set forth above.

                                         COMPANY:

                                         InfoCure Corporation

                                         By: /s/ Frederick L. Fine
                                            -----------------------------------
                                         Title: President
                                               --------------------------------

                                         EMPLOYEE:

                                          /s/ Richard E. Perlman
                                         --------------------------------------
                                         Richard E. Perlman

                                       2<PAGE>   1
                                                                  Exhibit 10.22

                         Non-Plan Stock Options Grants

         The table below sets forth options to acquire the common stock, par
value $.001 per share, of InfoCure Corporation granted to executive officers of
InfoCure pursuant to Non-Qualified Stock Option Grant Certificates in the form
set below and not otherwise pursuant to a stock option plan of InfoCure.

<TABLE>
<CAPTION>
                                           Shares Subject to   Exercise Price Per
Name                   Date                Option*             Share*
----                   ----                -------             ------

<S>                    <C>                 <C>                 <C>
Frederick L. Fine      June 9, 1999        440,000             $17.50
James K. Price         June 9, 1999        440,000             $17.50
Richard E. Perlman     June 9, 1999        440,000             $17.50
Frederick L. Fine      October 23, 1998    280,000             $ 6.75
James K. Price         October 23, 1998    260,000             $ 6.75
Richard E. Perlman     October 23, 1998    260,000             $ 6.75
</TABLE>

         *        Reflects the effect of a two for one stock split of
InfoCure's common stock on August 19, 1999.

<PAGE>   2

                              INFOCURE CORPORATION
                  NON-QUALIFIED STOCK OPTION GRANT CERTIFICATE

InfoCure Corporation, a Delaware corporation (the "Company"), hereby grants to
the optionee named below ("Optionee") an option (this "Option") to purchase the
total number of shares shown below of Common Stock of the Company (the
"Shares"), at the exercise price per share set forth below (the "Exercise
Price"), subject to all of the terms and conditions on the reverse side of this
Stock Option Grant Certificate.

In witness whereof, this Stock Option Grant Certificate has been executed by
the Company by a duly authorized officer as of the date specified hereon.

InfoCure Corporation

By:
   ----------------------------------

Date of Grant:

Type of Stock Option:  Non-qualified

Shares Subject to Option:
Exercise Price Per Share:
Term of Option:                Ten years

Shares subject to issuance under this Option shall be eligible for exercise
according to the vesting schedule selected below and further described in
Section 9 on the reverse of this Stock Option Grant Certificate.

Four Year Vesting

     Optionee acknowledges that there may be adverse tax consequences upon
exercise of this Option or disposition of the Shares and that Optionee should
consult a tax adviser prior to such exercise or disposition.

-----------------------------
Signature of Optionee

-----------------------------
Print Name of Optionee

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         1.       EXERCISE PERIOD OF OPTION. Subject to the terms and
conditions of this Stock Option Grant Certificate, and unless otherwise
modified by a written modification signed by the Company and Optionee, this
Option may be exercised with respect to all of the Shares, but only according
to the vesting schedule selected on the reverse of this Stock Option Grant
Certificate and as described in Section 9 below, prior to the date which is the
last day of the Term set forth on the face hereof following the Date of Grant
(the "Expiration Date").

         2.       RESTRICTIONS ON EXERCISE. This Option may not be exercised
unless such exercise is in compliance with the Securities Act of 1933 and all
applicable state securities laws, as they are in effect on the date of
exercise, and the requirements of any stock exchange or national market system
on which the Company's Common Stock may be listed at the time of exercise.
Optionee understands that the Company is under no obligation to register,
qualify or list the Shares with the Securities and Exchange Commission ("SEC"),
any state securities commission or any stock exchange to effect such
compliance.

         3.       TERMINATION OF OPTION. Except as provided below in this
Section, this Option may not be exercised after the date which is ninety (90)
days after Optionee ceases to perform services for the Company, or any Parent
or Subsidiary. Optionee shall be considered to perform services for the
Company, or any Parent or Subsidiary, for all purposes under this Section and
Section 9 hereof, if Optionee is an officer or full-time employee of the
Company, or any Parent or Subsidiary, or if the Board determines that Optionee
is rendering substantial services as a part-time employee, consultant,
contractor or advisor to the Company, or any Parent or Subsidiary. The Board
shall have discretion to determine whether Optionee has ceased to perform
services for the Company, or any Parent or Subsidiary, and the effective date
on which such services cease (the "Termination Date").

                  (a)      Termination Generally. If Optionee ceases to perform
services for the Company, or any Parent or Subsidiary, for any reason other
than a Termination for Cause, as defined below, or death or disability (within
the meaning of Code Section 22(e)(3)), this Option shall be terminated, along
with any and all rights or subsequent rights attached thereto, ninety (90) days
following the Termination Date, but in no event later than the Expiration Date.

                  (b)      Termination for Cause. If Optionee ceases to perform
services for the Company, or any Parent or Subsidiary, due to a Termination for
Cause, as defined in that certain employment agreement between Optionee and the
Company dated July 1, 1998 (the "Employment Agreement"), this Option shall
immediately be terminated, along with any and all rights or subsequent rights
attached thereto, as of the Termination Date, but in no event later than the
Expiration Date.

                  (c)      Death or Disability. If Optionee ceases to perform
services for the Company, or any Parent or Subsidiary, as a result of the death
or disability of Optionee (as determined by the Board in its sole discretion),
this Option, to the extent (and only to the extent) that it would have been
exercisable by Optionee on the Termination Date, may be exercised by Optionee
(or, in the event of Optionee's death, by Optionee's legal representative)
within twelve (12) months after the Termination Date, but in no event later
than the Expiration Date.

                  (d)      No Right to Employment. Nothing in this Stock Option
Grant Certificate shall confer on Optionee any right to continue in the employ
of, or other relationship with, the Company, or any Parent or Subsidiary, or
limit in any way the right of the Company, or any Parent or Subsidiary, to
terminate Optionee's employment or other relationship at any time, with or
without cause.

         4.       MANNER OF EXERCISE.

                  (a)      Exercise Agreement. This Option shall be exercisable
by delivery to the Company of an executed Exercise and Shareholder Agreement
("Exercise Agreement") in the form of the Exercise Agreement delivered to
Optionee, if applicable, or in such other form as may be approved or accepted
by the Company, which shall set forth Optionee's election to exercise this
Option with respect to some or all of the Shares, the number of Shares being
purchased, any restrictions imposed on the Shares, and such other
representations and agreements as may be required by the Company to comply with
applicable securities laws.

                  (b)      Exercise Price. Such notice shall be accompanied by
full payment of the Exercise Price for the Shares being purchased. Payment for
the Shares may be made in U.S. dollars in cash (or check) or, where permitted
by law and approved by the Board in its sole discretion: (i) by surrender of
shares of Common Stock of the Company that have been owned by Optionee for more
than six (6) months (and which have been paid for within the meaning of SEC
Rule 144, and, if such Shares were purchased from the Company by use of a
promissory note, such note has been fully paid with respect to such Shares), or
were obtained by Optionee in the open public market, having a fair market Value
equal to the Exercise Price of the Shares being purchased; or (ii) by
instructing the Company to withhold Shares otherwise issuable pursuant to the
exercise of the Option having a fair market value equal to the exercise price
of the Shares being purchased (including the withheld Shares).

                  (c)      Withholding Taxes. Prior to the issuance of Shares
upon exercise of this Option, Optionee must pay, or make adequate provision
for, any applicable federal or state withholding obligations of the Company.
Where approved by the Board, Optionee may provide for payment of withholding
taxes upon exercise of the Option by requesting that the Company retain Shares
with a fair market value equal to the minimum amount of taxes required to be
withheld. In such case, the Company shall issue the net number of Shares to
Optionee by deducting the Shares retained from the Shares exercised.

                  (d)      Issuance of Shares. Provided that such notice and
payment are in form and substance satisfactory to counsel for the Company, the
Company shall cause the Shares to be issued in the name of Optionee or
Optionee's legal representative.

         5.       NONTRANSFERABILITY OF OPTION. This Option may not be
transferred in any manner, other than by will or by the laws of descent and
distribution, and may be exercised during Optionee's lifetime only by Optionee.
The terms of this Option shall be binding upon the executor, administrators,
successors and assigns of Optionee.

         6.       TAX CONSEQUENCES. OPTIONEE UNDERSTANDS THAT THE GRANT AND
EXERCISE OF THIS OPTION, AND THE SALE OF SHARES OBTAINED THROUGH THE EXERCISE
OF THIS OPTION, MAY HAVE TAX IMPLICATIONS THAT COULD RESULT IN ADVERSE TAX
CONSEQUENCES TO OPTIONEE. OPTIONEE REPRESENTS THAT OPTIONEE HAS CONSULTED WITH,
OR WILL CONSULT WITH, HIS OR HER TAX ADVISOR AND OPTIONEE FURTHER ACKNOWLEDGES
THAT OPTIONEE IS NOT RELYING ON THE COMPANY FOR ANY TAX, FINANCIAL OR LEGAL
ADVICE.

         7.       INTERPRETATION. Any dispute regarding the interpretation of
this Stock Option Grant Certificate shall be submitted by Optionee or the
Company to the Board or the Committee, which shall review such dispute at its
next regular meeting. The resolution of such a dispute by the Board or
Committee shall be final and binding on the Company and Optionee. In the event
of a stock split, reverse stock split, stock dividend or a reclassification of
the Common Stock of the Company or similar action by the Company, the number of
Shares issuable upon exercise of this Option and/or the Exercise Price shall be
appropriately adjusted, as determined by the Board in its sole discretion.

         8.       ENTIRE AGREEMENT. Optionee acknowledges and agrees that the
granting of this Option constitutes a full accord, satisfaction and release of
all obligations or commitments made to Optionee by the Company or any of its
officers, directors, shareholders or affiliates with respect to the issuance of
any securities, or rights to acquire securities, of the Company or any of its
affiliates. This Stock Option Grant Certificate constitutes the entire
agreement of the parties hereto, and supersede all prior undertakings and
agreements with respect to the subject matter hereof. All prior agreements,
commitments and understandings between the parties hereto regarding the subject
matter hereof are merged into this Stock Option Grant Certificate and the
Exercise Agreement.

         9.       VESTING AND EXERCISE OF SHARES. Subject to the terms of this
Stock Option Grant Certificate and the Exercise Agreement, the issuance of
Shares pursuant to the exercise of this Option shall be subject to the vesting
restrictions selected on the reverse side of this Stock Option Grant
Certificate and defined below. For purposes of this Section, "Continuous
Service" means a period of continuous performance of services by Optionee for
the Company, a Parent, or a Subsidiary, as determined by the Board.

         Optionee may exercise this Option with respect to the percentage of
Shares set forth below only after Optionee has completed the following periods
of Continuous Service following the Date of Grant:

         (a)      After twelve (12) months of Continuous Service, up to
twenty-five percent (25%) of the Shares;

         (b)      After twenty-four (24) months of Continuous Service, up to
fifty percent (50%) of the Shares;

         (c)      After thirty-six (36) months of Continuous Service, up to
seventy-five percent (75%) of the Shares; and

         (d)      After forty-eight (48) months of Continuous Service, up to
one hundred percent (100%) of the Shares.

         Notwithstanding anything herein to the contrary, in the event that the
average per share closing price for common stock of the Company over a period
of twenty (20) consecutive trading days reaches $50.00, this Option shall
immediately vest as to one hundred percent (100%) of the underlying Shares.

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