A project geared to provide peer created How-To's, tips, and documentation to users of the Wine application.

The biggest multilingual free-content encyclopedia on the Internet. Over 10 million articles in over 200 languages, and still growing.

WikiCreole attempts to be a universal wiki markup language to be used across different wiki software. Specifications, list of implementations, and discussion of the language.

Central staging point for the "Tour Bus" system of routes between similarly-themed wikis.

Resources and links for the Scalable Vector Graphics community.

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

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.

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

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

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