TasteDive - TasteDive recommends similar music (musicians, bands), movies, TV shows, books, authors and games, based on what you like.

OpenKM.us - OpenKM is a document management software that integrates all essential document management into one easy to use solution.

Gnoosic - Even if you don't know what you are looking for - gnod will find it.

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

LivePlasma - Discovery engine map for books, music, and movies

Musicroamer - A visual Pandora for discovering new music