This library Haskell library is for use with the Slack API for team communication management. Use of this library requires an API key from Slack. The library is authored by Diony Rosa, and is offered on hackage.haskell.org, a community for Haskell package authors.
For music enthusiasts who thrive on insider knowledge and detailed music conversation, WhoSampled would be just their cup of tea. It's basically an online community for discovering and discussing sampled music, remixes and cover songs. WhoSampled has partnered with The Echo Nest to provide the WhoSampled API that allows developers to access and integrate its functionality with other applications.
Google Moderator is the sort of tool that deserves an API. The platform to collect audience ideas and gauge interest is used widely internally at Google, as well as being available to anyone. It is no longer limited to web browser use, as it now has an API (our Google Moderator profile).