You'll probably find our development tools useful too. Reference page for details. Download FTP Download the source from our FTP server. Details are on the Download page. Source drops to the FTP server usually occur monthly.
Details are on our CVS page.
Build Look at the build instructions to find out how to compile this beast. If they approve the code they'll commit your changes. If you're a frequent contributor or if you're contributing your own module you may be given write access to our CVS repository so you can commit the changes yourself. Consult the guidelines on hacking mozilla to find out how to get write access and to find out how bonsai and tinderbox are used in our build process. The Mozilla Organization.