This page is still a work in progress as we have to relocate some resources for which we want to keep some links. Feel free to ask questions to

One of the initial reasons for the creation of PolarSys was the organization of Very Long Term Support for TOPCASED and the creation of a sustainable ecosystem for open source tools for embedded systems. In July 2015, the TOPCASED servers were shut down and redirected to this page where we provide resources to help users migrate from the old TOPCASED uml and sysml editors to the corresponding PolarSys Solution: Papyrus.

TOPCASED 5.3.1 was the last version of TOPCASED and was based on Eclipse 3.7.2 (Indigo). In this version, Papyrus 0.8 was used as the new UML/SysML editor. This version is definitely deprecated and no longer under development.

Downloads: The Topcased team provided this last binary for Windows and the last sources in case you want to recompile it.

Previous users of TOPCASED can use Papyrus + Gendoc + Acceleo to benefit from features that were used in most of the use cases. There is no integrated RCP version with all theses components for the moment, but feel free to address this issue on the Papyrus forum.


Here is a list of some frequently asked questions when people migrate from Topcased to Papyrus:

  • TBD: How to migrate my models
  • TBD: Where is Topcased Req
  • TBD: What is Topcased and where can I download it?