• contains only validated new features
  • interfaces shall remain stable, changes only in case of critical issues
  • intended for productive usage
  • contains new features to be part of the next release and are to be validated (in the beta phase)
  • interfaces may have changed but shall remain stable during beta phase, changes are accepted only to fix critical issues
  • intended to prepare a mature release, enable integration tests of partners, not productive usage
Nightly Builds 1.13.0 development
  • compiles and runs stable according to all regression tests
  • interfaces may have changed
  • intended to make the latest enhancements available for testers and developers, continuous integration, not for productive usage


Please choose an installation path that has no spaces in it, otherwise OpenModelica installation is not guaranteed to work properly.


Release notes for all releases are available in our Trac system.

OpenModelica includes SystemDynamics library with World modeling. Instructions for SystemDynamics World3 simulations.

All previous OpenModelica releases are available in our repository.

For non production use, please try our last nightly build as it usually contains many bug fixes, updates and improvements. You can also help us by reporting bugs.

Please consider supporting our efforts.






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