The Hitchhikers Guide to the Web

Google Doctype, Documenting the Open Web.

Google Doctype is an open encyclopedia and reference library. Written by web developers, for web developers. It includes articles on web security, JavaScript DOM manipulation, CSS tips and tricks, and more. The reference section includes a growing library of test cases for checking cross-browser and cross-platform compatibility.

Google Doctype is 100% open.

* Open source
* Open content
* Open to contributions from anyone

More good stuff from Google.