Abstract - A secure, version-controlled hub for your design files
TinyCat - The online catalog and integrated library system for tiny libraries, powered by LibraryThing.
Kactus - Design version control without changing your tools
Koha - Koha is the first free and open source software library automation package (ILS).
Git Sketch Plugin - Version control for designers
DSpace - DSpace open source software enables open sharing of content that spans organizations, continents...