OpenCalais : Calais is a rapidly growing toolkit of capabilities that allow you to readily incorporate state-of-the-art semantic functionality within your blog, co...
Hoppscotch : A free, online, open source API request builder
localForage : localForage is a handy library that improves the offline experience of your web app by using asynchronous storage (via IndexedDB or WebSQL where avail...
pump.io : Social server with an ActivityStreams API. It's a stream server that does most of what people really want from a social network.
