DERI Pipes : Inspired by Yahoo's Pipes, DERI Pipes is an engine and graphical environment for general Web Data transformations and Mashup.
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.
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...
kimono : Turn websites into structured APIs from your browser in seconds
