The official wiki web for AOLserver, America Online's open-source web server.

A wiki dedicated to books; an online discussion where the primary topic is books read by the people who contribute.

For discussion of communities, both online and in the real world, including management, teaching and conflict mediation.

An encyclopaedia with articles written from a conservative viewpoint.

A database of crazy software- and hardware-projects of geeks all around the world with way too much spare time on their hands.

A public wiki about participatory sporting events such as marathons and triathlons.

A collaborative writing project to build the world's largest how-to manual.

Login based site covering a variety of topics as chosen by its users.

A wiki-like site that allows anyone to post new information, with page ownership and editors to keep things organized and tons of PC and embedded controller engineering information.

The possibly canonical list of public wikis, on the original wiki.