1 Exhibit 21.1 LIST OF SUBSIDIARIES Name of Jurisdiction of Subsidiary Incorporation - ---------- --------------- Bachman Information Systems GmbH Germany Bachman Information Systems Canada, Ltd. Canada Bachman International Ltd. Delaware Bachman France S.A.R.L. France Bachman S.R.L. Italy Bachman Information Systems Limited United Kingdom Bachman Securities Corporation Massachusetts WindTunnel Software, Inc. Delaware CSI Acquisition Corporation Massachusetts Bachman Asia Pacific Pte. LTD Singapore Bachman 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 Cadre Technologies, Limited United Kingdom Westmount Technologies B.V. Netherlands Westmount U.S.A., Inc. Delaware Micro Case, Inc. Delaware