Exhibit 21.1

AXEDA SYSTEMS INC.

SUBSIDIARIES

United States Corporations, wholly owned subsidiaries of Axeda Systems Inc.:

1. RAVISENT IP, Inc.: a Nevada Corporation

2. RAVISENT Operating Company Inc.: a Delaware Corporation

3. Liuco, Inc.: a Delaware Corporation

4. RAVISENT Technologies Internet Appliance Group, Inc.: a Delaware Corporation

Israeli Entity:

5. Axeda Systems Ltd.: an Israeli corporation, wholly owned by Axeda Systems Inc.

Wholly owned subsidiaries of Axeda Systems Ltd.:

6. Axeda Systems Operating Company, Inc.: U.S. company incorporated in Massachusetts

7. eMation R&D, Inc.: U.S. company incorporated in Massachusetts

8. Axeda Systems S.A.S.: a French corporation

9. Axeda Systems B.V.: a corporation incorporated under the laws of the Netherlands

10. Axeda Systems Limited: a UK corporation

11. Axeda Systems KK: a Japanese corporation

German Entities:

12. Viona Vervatungs GmbH: wholly owned subsidiary of Axeda Systems Inc.

13. Axeda Systems GmbH: wholly owned subsidiary of Axeda Systems Inc.

Canadian Entities:

14. RAVISENT Nova Scotia: an unlimited liability Nova Scotia company wholly owned by Axeda Systems Inc.

15. RAVISENT British Columbia: a corporation organized under the laws of British Columbia wholly owned by RAVISENT Nova Scotia