kimono : Turn websites into structured APIs from your browser in seconds
Hoppscotch : A free, online, open source API request builder
Freebase : A community-curated database of well-known people, places, and things
Openframe : Openframe is an open source platform for artists, curators and art enthusiasts to share, discover and display digital art.
Openframe is free. Anyone c...
Linked Data : This site exists to provide a home for, or pointers to, resources from across the Linked Data community.
Calais is a rapidly growing toolkit of capabilities that allow you to readily incorporate state-of-the-art semantic functionality within your blog, content management system, website or application.