Chromium OS is an open-source project that aims to build an operating system that provides a fast, simple, and more secure computing experience for people who spend most of their time on the web. Here you can review the project's design docs, obtain the source code, and contribute. To learn more about the project goals, read the announcement blog post.

Videos

For contributors

• Getting involved
• Getting developer hardware
• Process for contributing
• Tree sheriffs
  

For UI designers

For everyone

• Chromium OS FAQ
  
• Join the right discussion groups
  (if in doubt, go to chromium-os-discuss or use the IRC channel irc.freenode.net/#chromium-os-users)
• Report bugs or view existing bugs

Source code

• First time?  Use the Chromium OS quick-start guide.
• Read the Chromium OS Developer Guide to learn how to build the source
• Browse the source
• Overview of the source
• Coding Style
• For languages other than Python follow the Google Style Guide
• Python code follows PEP-8, except: 
• 2-space indent instead of 4-space 
• MixedCase for method and function names (NOT lower_case_with_underscores)
• For third-party code, of course we follow the external project style guides.
• Testing -- how to run tests on Chromium OS
• Licenses

How Tos and Troubleshooting

• High Level Developer FAQ
• All How Tos and Troubleshooting...
• Poking around your Chrome OS Notebook 

Design docs

• Software architecture
• Security overview
• More...