Fedena - Fedena is a multipurpose college and school management software, it is used by 40K+ education institutions worldwide to automate administration & academic-related activities.
TinyCat - The online catalog and integrated library system for tiny libraries, powered by LibraryThing.
Eduflex School ERP - The only educational ERP you need for totally automating your entire campus.
Koha - Koha is the first free and open source software library automation package (ILS).
Quick School - The most comprehensive end-to-end K-12 school automation solution !
DSpace - DSpace open source software enables open sharing of content that spans organizations, continents...