SILVER SPRINGS, MD -- Motionsoft Inc. is acquiring assets of Custom Design Systems (CDS), a gym software company, including CDS's PowerManagement Software. As a result, Motionsoft will assume development and support responsibilities for the application suite. The combined company will offer Motionsoft's eClubLogic suite of applications to PowerManagement users, leveraging Motionsoft's Microsoft competency with the advantages of .net-development tools.