OpenKM.us - OpenKM is a document management software that integrates all essential document management into one easy to use solution.
TasteDive - TasteDive recommends similar music (musicians, bands), movies, TV shows, books, authors and games, based on what you like.
Skedda - Offices, co-working spaces, universities, sports venues, studios & churches are just some of the places that manage the use of their desks, rooms, courts, studios, halls and all other 'spaces' with Skedda
Gnoosic - Even if you don't know what you are looking for - gnod will find it.