1 Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated November 4, 1998 relating to the financial statements and financial statement schedule of Project Software & Development, Inc., which appears in Project Software & Development, Inc.'s Annual Report on Form 10-K for the year ended September 30, 1998. PricewaterhouseCoopers LLP Boston, Massachusetts May 20, 1999