1 EXHIBIT 21.1 LIST OF SUBSIDIARIES NAME OF JURISDICTION OF SUBSIDIARY INCORPORATION ---------- --------------- Cayenne Software GmbH ............................... Germany Bachman Information Systems Canada, Ltd. ............ Canada Bachman International Ltd. .......................... Delaware Cayenne Software S.A.R.L. ........................... France Cayenne Software S.R.L. ............................. Italy Bachman Information Systems Limited ................. United Kingdom Bachman Securities Corporation ...................... Massachusetts WindTunnel Software, Inc. ........................... Delaware CSI Acquisition Corporation ......................... Massachusetts Cayenne Software Asia Pacific Pte. LTD. ............. Singapore Cayenne Software Spain S.L. ......................... Spain Cadre Technologies, Inc. ............................ Delaware Cadre Technologies, International ................... Oregon Cadre Technologies S.A. ............................. Switzerland Cadre Technologies, France S.A. ..................... France Cadre Technologies GMBH ............................. Germany Cayenne Software Pty Limited ........................ Australia Cayenne Software Limited ............................ United Kingdom Westmount Technologies B.V. ......................... Netherlands Westmount U.S.A., Inc. .............................. Delaware Micro Case, Inc. .................................... Delaware