Mozmill is a testing framework to create automated tests for XUL based applications. That means the target is mostly focused on Firefox, Thunderbird, and Sunbird. If you are not familiar with Mozmill and you want to know more details about this project you can find comprehensive information in the Mozmill documentation.

The following documents will give you necessary instructions to work with Mozmill, run existing tests against Firefox, and create own tests:

1. How to install Mozmill on your computer
2. How to work with the Firefox Mozmill test repository
3. How to run Mozmill tests on your own box
4. How to write Mozmill tests
5. How to review process works