The History Commons contains summaries of events, which are published on the website in the format of dynamic timelines. These timelines can be filtered by investigative project, topic, or entity (e.g., a person, organization, or corporation).
Wikibooks is dedicated to developing and disseminating free, open content textbooks and other classroom texts. We currently host 5666 textbook modules, in various stages of development, from those needing a lot of work to those that are nearly perfect.
an open, free directory of species. This will cover animalia, plantae, fungi, bacteria, archaea, protista and all other forms of life to the extent that our users allow us.
game programming tutorials and source code for a variety of languages and platforms. Also, because this is a wiki, you are encouraged to contribute your knowledge and help the repository grow!
a community driven resource for open source software. Try starting a page about your favorite project, syndicating a blog for a topic, or browsing through tags people have added to projects or pages.
a knowledgebase of Microsoft Help-related information, initially created by the MicrosoftHelpMVPs and maintained by the Help authoring community and you.