- W3C Recommendations: JSON Activity Streams 2.0 and Activity Vocabulary (current W3C Social WG publications)
- JSON Activity Streams 1.0 (2011)
- Atom Activity Streams 1.0
- Join the mailing list
- Contribute to the wiki
- GitHub Repository
Archive: Atom Media.
The Activity Streams format has already been adopted by BBC, IBM, Superfeedr, TypePad, and many others.
An initiative from the Diso Project. Background.