Take a look at two open source documentation sites and how community-written documentation is providing better resources for developers.
MDN is a web development resource for and by developers. The MDN community documents web standards on an HTML-based wiki platform – the code of which is also open source. Web Platforms.org is an effort between all the major browser vendors and WC3 to provide community-written documentation across products, platforms, and technologies. Find out how these efforts compliment each other and validate the open source and community-driven model for documentation.