Evergreen ILS - Evergreen - Open Source Library Software
Sierra ILS - Sierra is designed to make your library effective.
TinyCat - The online catalog and integrated library system for tiny libraries, powered by LibraryThing.
LibraryWorld - Library automation solution
Koha - Koha is the first free and open source software library automation package (ILS).
Alma - Meet Alma, a modern and affordable integrated student information system (SIS) and learning...