Wolfram Alpha .Net SDK by Ian Qvist is an implementation that uses .NET/C#. The Wolfram Alpha API focuses on high level computing, and this SDK supports options such as assumptions and timings for symbolical quantities.
Twitter has cut Emojitracker's access to its Streaming API, causing its creator, Matthew Rothenberg, to announce that he will shut the service down in April. Emojitracker provides a real-time visualization of emoji symbol usage on Twitter and has tracked some 14 billion emoji tweets.
Although some developers may be unaware of the prevalence of real-time APIs, they are already used by some of the world’s most popular providers. This post by Phill Leggetter for the Pusher Blog discusses five reasons why API providers should embrace a real-time API to add more value to users.