The Playtomic Action Script SDK by Playtomic access the API to interact with achievements, players, streaming, and leader boards features. Links available to download the zip file or clone the repository from GitHub.
Recent reports indicate that Twitter will make significant announcements next week regarding its live streaming API. The company is expected to open the API to a select group of media companies. The move would allow such companies to directly stream live video to the Twitter platform.
ArenaNet, developer of the popular online role-playing game Guild Wars 2, is working on the implementation of OAuth2 and plans to release new authenticated Guild Wars 2 APIs in 2014. ArenaNet also plans on adding a Leaderboards API that will give developers programmatic access to the same leaderboards data that ArenaNet used to create its Guild Wars 2 leaderboards site.