1 EXHIBIT 21.1 LIST OF SUBSIDIARIES NAME OF JURISDICTION OF SUBSIDIARY INCORPORATION Cayenne Software GmbH..................... Germany Cayenne Software Canada, Ltd. ........... Canada Bachman International Ltd. .............. Delaware Cayenne Software S.A.R.L. ............... France Cayenne Software S.R.L. ................. Italy 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 Cayenne Software Pty Limited............. Australia Cayenne Software Limited................. United Kingdom Cayenne Software B.V. ................... Netherlands Westmount U.S.A., Inc. .................. Delaware