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                                                                    EXHIBIT 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS

We consent to the incorporation by reference in the registration statements of
Project Software & Development, Inc. on Form S-8 (File Nos. 33-79074, 33-79142,
33-95774, 33-95780, 333-3402) of our report dated November 7, 1997, on our
audits of the consolidated financial statements and financial statements
schedule of Project Software & Development, Inc. as of September 30, 1997, 1996
and 1995 and for the years ended September 30, 1997 and 1996, which report is
included in this Annual Report on Form 10-K.





Coopers & Lybrand L.L.P.


Boston, Massachusetts
December 22, 1997