Boot OS X, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
If you are unable to configure correctly, have discovered a bug or wish to request a feature, please visit http://www.insanelymac.com/forum/forum/327-clover/, https://sourceforge.net/p/cloverefiboot/discussion/ or open a bug ticket at https://sourceforge.net/p/cloverefiboot/tickets/ for help.
Syllable Desktop is a complete operating system that is easy to use, powerful, lightweight and extraordinarily fast and responsive. It has its own kernel, filesystem, GUI and applications. Syllable Server is a matching small and efficient Linux server.
The open source repository for the Professional File System for Amiga.
tOfuS is an OS kernel with framework capabilities, in order for everyone to experiment on it. (was: A Music-Production oriented Operating System, for use in recording studios and live performances as a mixing desk and user-programmable DSP).