JOINT FILING AGREEMENT This will confirm the agreement by and between each of the undersigned, in accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, that the Schedule 13G filed on or about this date with respect to...

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                                                                       EXHIBIT 1

                             JOINT FILING AGREEMENT

        This will confirm the agreement by and between each of the undersigned,
in accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934,
as amended, that the Schedule 13G filed on or about this date with respect to
the beneficial ownership of the undersigned of shares of the Common Stock, par
value $0.001 per share, of Geoworks Corporation, is being filed on behalf of
each of the undersigned. This agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.



Dated:  August 18, 2000



                      SCIENCE APPLICATIONS INTERNATIONAL CORPORATION



                      By:     /s/ XXXXXXX X. XXXXX
                              -------------------------------------------------
                              Name: Xxxxxxx X. Xxxxx
                              Title:  Senior Vice President and General Counsel



                      TELCORDIA TECHNOLOGIES, INC.



                      By:     /s/ XXXXX XXXXX
                              -------------------------------------------------
                              Name:  Xxxxx Xxxxx
                              Title:  Vice President and General Counsel