EXHIBIT 21 SUBSIDIARIES State of Name Under Which Name Incorporation Business is Done - -------------------------------------------------------------------------------- Information Decisions, Inc. Michigan SofTech Workgroup Technology Corporation Delaware Workgroup Technology Corporation SofTech GmbH Germany SofTech GmbH SofTech Technologies Ltd. United Kingdom Inactive Adra Systems Srl Italy Adra Systems Srl Adra Systems Sarl France Adra Systems Sarl SofTech Acquisition Corporation Delaware SofTech Acquisition Corporation Compass, Inc. Massachusetts Inactive System Constructs, Inc. New York Inactive SofTech Investments, Inc. Massachusetts Inactive AMG Associates, Inc. Maryland Inactive Ram Design & Graphics Corp. North Carolina Inactive