Exhibit 21.1

Subsidiaries of Progress Software Corporation

North America
	Barbados	Progress Software International Sales Corporation
	California	Netfish Technologies, Inc.
	California	OpenAccess Software Inc.
	California	Savvion, Inc.
	Canada	Actional Technologies, Ltd.
	Canada	NEON Systems Quebec, Inc.
	Canada	NEON Systems Canada Inc.
	Canada	Object Oriented Concepts, Inc.
	Canada	Progress Software Corporation of Canada Ltd.
	Canada	PeerDirect Company
	Delaware	Apama Inc.
	Delaware	Actional Corporation
	Delaware	FuseSource Corp.
	Delaware	IONA Government Technologies, Inc.
	Delaware	NEON Systems, Inc.
	Delaware	Netfish Technologies, Inc.
	Delaware	Object Oriented Concepts, Inc.
	Deleware	Pantero Corporation
	Delaware	PeerDirect Corporation
	Delaware	Persistence Software Inc.
	Delaware	Progress Software International Corporation
	Delaware	Progress Software Corporation
	Delaware	Savvion International Corporation
	Delaware	Xcalia Corp.
	Massachusetts	DataDirect Technologies Corp.
	Massachusetts	Oak Park Realty LLC
	Massachusetts	Oak Park Realty Two LLC
	Massachusetts	Progress Security Corporation
	Pennsylvania	Genesis Development Corporation
Europe
	Austria	Progress Software GesmbH
	Belgium	DataDirect Technologies NV
	Belgium	IONA Technologies (Belgium), SA
	Belgium	Progress Software NV
	Czech Republic	Progress Software spol. s.r.o.
	Denmark	Progress Software A/S
	Finland	Progress Software Oy.
	France	IONA Technologies, SARL
	France	Progress Software S.A.
	France	Xcalia SA
	Germany	Progress Software GmbH
	Germany	Sonic Software GmbH
	Ireland	IONA Technologies Limited
	Ireland	IONA Research (IRL) Ltd.
	Ireland	Orbix Limited

	Italy	Progress Software Italy S.r.l.
	Netherlands	IONA Technologies (Netherlands) BV
	Netherlands	Progress Software B.V.
	Netherlands	Progress Software Europe B.V.
	Netherlands	Savvion B.V.
	Norway	Progress Software A/S
	Poland	Progress Software Sp. z.o o.
	Spain	IONA Technologies Spain SL
	Spain	Progress Software S.L.U.
	Sweden	Progress Software Svenska AB
	Switzerland	IONA Technologies (Schweiz) AG
	Switzerland	Progress Software AG
	United Kingdom	Apama Limited
	United Kingdom	DataDirect Technologies Ltd.
	United Kingdom	NEON Systems UK Ltd
	United Kingdom	Persistence Software Ltd.
	United Kingdom	Progress Software Limited
	United Kingdom	Sonic Software (UK) Limited
Latin America
	Argentina	Progress Software de Argentina S.A.
	Brazil	Progress Software do Brasil Ltda.
	Chile	Progress Software de Chile S.A.
	Colombia	Progress Software de Colombia S.A.
	Mexico	Progress Software, S.A. de C.V.
	Venezuela	Progress Software de Venezuela C.A.
Asia Pacific
	Australia	IONA Technologies Asia Pacific Pty.
	Australia	Object Oriented Concepts Pty. Limited
	Australia	Progress Software Pty. Ltd.
	Hong Kong	IONA Technologies China Limited
	Hong Kong	Progress Software Corporation Limited
	India	Progress Software Development Private Limited
	India	Savvion India Private Limited
	Japan	Progress Japan KK
	Malaysia	Progress Software (M) Sdn Bhd
	Singapore	IONA Technologies Singapore PTE Ltd.
	Singapore	Progress Software Corporation (S) Pte. Ltd.
	South Africa	Progress Software (Pty) Ltd.
Other
	Cayman Islands	IONA Technologies Finance

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