 As a member of the Open Software Foundation (later The Open Group), Transarc developed the DFS distributed filesystem component of the Distributed Computing Environment (DCE) that was sold by Open Group members.Other products included the distributed transaction processing system Encina (a basis for IBM's UNIX-based CICS products; included in IBM's TXSeries and later WebSphere), and the Solaris binary distribution of the DCE.Transarc was purchased by IBM in 1994
and became the IBM Transarc Lab in 1999
and then the IBM Pittsburgh Lab in 2001.