MediaWikiWidgets.org is a community project to maintain a collection of widgets for MediaWiki Widgets extension.
MediaWiki Widgets extension allows adding widgets to wiki by just creating pages in Widget namespace.
Keek, social video network, recently announced the release of the Keek API. Alongside the API launch, Keek established a developer portal that includes tools and resources to assist developers in integrating Keek with third party applications. The Keek API grants developers access to public keeks (i.e. 36 second video updates), search, user profiles, klusters, and more.
WebRTC is an emerging open standard that is set to transform the world of real time communications (RTC). Basically, it's a technology that enables real time communication between browsers, particularly sound and video. AddLive is a service that supports both WebRTC and non-WebRTC browsers, providing the necessary infrastructure and enabling developers to easily add live video and voice to their applications via the AddLive API and SDKs (software development kits).