Find information about how Chromium works, how to participate in the development of Chromium, or just how to build it yourself.  For a quick-start guide, see the Life of a Chromium Developer slides (updated Oct 2014; for the original slides, see Original Life of a Chromium Developer).

How-tos

    Getting the Code

• Retrieve the source
• Building: Windows, Mac OS X, Linux, Chrome OS, Android, iOS, and Cast.
• Quick reference of common development commands.
• Using Git for version control and code reviews.  Also look at our Git Cookbook for a helpful walk-through, or the Fast Intro to Git Internals for a background intro to git.
• Changelogs for Chromium and Blink.
• Git transition FAQ

    Development Guides

• Debugging on Windows, Mac OS X, Linux and Android.
• Threading
• Subtle Threading Bugs and How to Avoid Them
• Visual Studio tricks
• Debugging GPU related code
• How to set up Visual Studio debugger visualizers to make the watch window more convenient
• Linux Development tips and porting guide
• Mac Development
• Generated files
• Chromoting (Chrome Remote Desktop) compilation
• Updating module dependencies
• Editing dictionaries
• Editors Guides
• Atom
• Eclipse
• Emacs cscope
• SlickEdit
• Sublime Text
• Learning your way around the code
• Guide to Important Libraries, Abstractions, and Data Structures
• Important Abstractions and Data Structures
• Smart Pointer Guidelines
• String usage
• Android WebView
• GitHub Collaboration

Blink

• Diagnostics

• depot_tools
• C++ use in Chromium
• GN: Meta-build system that generates NinjaBuild files; Intended to be GYP replacement.
• MB: Meta-build wrapper around both GN and GYP.
• Chrome Infra

Practices

• Core Product Principles
• No Hidden Preferences
• Contributing code
• Coding style
• C++ Dos and Don'ts
• Cocoa Dos and Don'ts
• Web Development Style Guide
• Java
• Jinja
• Becoming a Committer
• Create experimental branches to work on
• Committer's responsibility
  
• OWNERS Files
• Try server usage
• Commit queue
• Tips for minimizing code review lag across timezones
• Declare your intent to launch/change a feature
• Filing bugs
• Severity Guidelines for Security Issues
• Network bug triage
• GPU bug triage
• The Zen of Merge Requests
• Ticket milestone punting
• Tree Sheriffs
• Useful extensions for developers
• Adding 3rd-party libraries

Design documents

• Graphics overview and design docs