- Drop.Org – A news and discussion website, and the showcase site for the Drupal engine.
- Everything2 – user-written encyclopedia used as a casual reference
- Indymedia – A network of collectively run media outlets for the creation of radical, accurate, and passionate tellings of the truth. Responsible for a number of radio shows and newspapers throughout the world.
- infoAnarchy – A news and discussion website, currently using Scoop but transforming it, and the ideas behind several collaborative journalism systems and several wiki engines into a new engine.
- Kuro5hin – A news and discussion website, and the showcase site for the Scoop engine.
- Wikipedia – Using the wiki concept for a collaboratively edited encyclopedia.
- Wikinfo – http://www.wikinfo.org/
- SourceryForge – http://www.sourceryforge.org/
TakeDown.NET -> “Collaborative-writing-websites”