GrandOrgue is a sample based pipe organ simulator.
It currently supports Linux, Windows and macOS. Porting to other OS supported by RtMidi, RtAudio and wxWidgets should be possible with some build system adjustments.
GrandOrgue is hosted on Github. The repository can be found at https://github.com/GrandOrgue/grandorgue.
GrandOrgue was earlier hosted on SourceForge https://sourceforge.net/projects/ourorgan and a copy of the old source code before migration can be found in the svn branch https://github.com/GrandOrgue/grandorgue/tree/svn.
Development of GrandOrgue is continuous, see CHANGELOG.md for full history of changes.
The discussion forum is available at https://github.com/GrandOrgue/grandorgue/discussions.
For bug reports and feature requests post issues at https://github.com/GrandOrgue/grandorgue/issues.
Contributors are welcome on Github. You may create pull requests at https://github.com/GrandOrgue/grandorgue/pulls. But before creating a complex pull request it's usually better to first create an issue for discussing it.
See INSTALL.md for the downloading and installation prebuilt GrandOrgue packages.
See BUILD.md for instructions on how to build GrandOrgue from the source code.