EXHIBIT 2.6

                                 FIRST AMENDMENT
                                       TO
                 AGREEMENT AND PLAN OF MERGER AND REORGANIZATION

         This First Amendment ("Amendment") hereby amends effective March 7,
2000 the Agreement and Plan of Merger and Reorganization (the "Plan of Merger"),
dated January 19, 2000, by and among Omega Research, Inc., a Florida corporation
("Omega"), onlinetradinginc.com corp., a Florida corporation ("Online"), Online
Trading Group, Inc., a Florida corporation("Newco"), Omega Acquisition
Corporation, a Florida corporation and wholly owned subsidiary of Newco ("Omega
Merger Sub"), and Onlinetrading Acquisition Corporation, a Florida corporation
and wholly owned subsidiary of Newco ("Online Merger Sub"). Capitalized terms
not otherwise defined herein shall have the respective meanings set forth in the
Agreement.

         WHEREAS, the parties entered into the Agreement on January 19, 2000;
         and

         WHEREAS, the parties desire to amend the terms of the Agreement to
incorporate the terms herein.

         NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties agree that the
Agreement shall be amended as follows:

         1.       Section 1.4 (a) shall be amended and restated in its entirety
                  to read as follows:

                           "(a) At the Effective Time, the Articles of
                           Incorporation (the "Omega Articles of Incorporation")
                           of Omega Merger Sub, as in effect immediately prior
                           to the Effective Time, shall be the Articles of
                           Incorporation of the Omega Surviving Corporation;
                           provided, however, that Article I of the Omega
                           Articles of Incorporation shall be amended to read as
                           follows: "The name of the corporation is Omega
                           Research, Inc."

         2.       Section 1.4 (c) shall be amended and restated in its entirety
                  to read as follows:

                           "(c) At the Effective Time, the Articles of
                           Incorporation (the "Online Articles of
                           Incorporation") of Online Merger Sub, as in effect
                           immediately prior to the Effective Time, shall be the
                           Articles of Incorporation of the Online Surviving
                           Corporation; provided, however, that Article I of the
                           Online Articles of Incorporation shall be amended to
                           read as follows: "The name of the corporation is
                           OnlineTrading.com, Inc."

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         3.       The parties hereto hereby authorize and consent to the filing
of an amendment to the Articles of Incorporation of Newco pursuant to which
Article I of the Articles of Incorporation shall be amended to change the name
of Newco to "OnlineTrading.com Group, Inc." and, upon such filing with the
Secretary of State of the State of Florida, all references to "Online Trading
Group, Inc." in the Agreement and any and all other agreements and instruments
entered into between or among the parties hereto in connection therewith shall
be modified to reflect the name change to "OnlineTrading.com Group, Inc."

         4.       Except as otherwise specifically set forth in this Amendment,
the Agreement shall remain in full force and effect in accordance with the terms
thereof. This Amendment shall be governed by and construed in accordance with
the laws of the State of Florida. This Amendment may be executed by one or more
of the parties hereto on any number of separate counterparts and all said
counterparts taken together, shall be deemed to constitute one and the same
instrument.

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed and delivered effective as of the day and year first written
above.

ONLINETRADINGINC.COM CORP.                     OMEGA RESEARCH, INC.

By:       /s/ STEVEN ZUM TOBEL                 By:      /s/ RALPH L. CRUZ
    -----------------------------                  ----------------------
Name:  Steven zum Tobel                        Name:  Ralph L. Cruz
Title: President                               Title: Co-Chief Executive Officer

ONLINE TRADING GROUP, INC.                     OMEGA ACQUISITION CORPORATION

By:       /s/ RALPH L. CRUZ                    By:      /s/  RALPH L. CRUZ
    -----------------------------                   ---------------------------
Name:  Ralph L. Cruz                           Name:  Ralph L. Cruz
Title: Co-Chief Executive Officer              Title: Co-Chief Executive Officer

ONLINETRADING ACQUISITION CORPORATION

By:    /s/  RALPH L. CRUZ
    -----------------------------
Name:  Ralph L. Cruz
Title: Co-Chief Executive Officer

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