EXHIBIT 21.1 ------------ SUBSIDIARIES OF THE REGISTRANT ------------------------------ SUBSIDIARY PLACE OF INCORPORATION D/B/A NAME - ---------------------------------------------------------------------------------------------- Personics Corporation Delaware, USA Personics Corporation WorkGroup GmbH i.L. Germany N/A Kurt Software GmbH i.L.* Germany N/A Auxilor, Inc. Delaware, USA Auxilor, Inc. Datawatch International Limited England and Wales Datawatch International Limited Datawatch GmbH** Germany Datawatch GmbH Datawatch France SARL** France Datawatch France SARL Datawatch Pty Ltd.** Australia Datawatch Pty Ltd. Datawatch Europe Limited** England and Wales Datawatch Europe Limited * All of the shares of capital stock of Kurt Software GmbH i.L. (formerly Pole Position Software GmbH) are owned by WorkGroup GmbH i.L. ** All of the shares of capital stock of Datawatch GmbH, Datawatch France SARL, Datawatch Pty Ltd. and Datawatch Europe Limited are owned by Datawatch International Limited.