You want to contribute to Mozilla, but not sure where to start? Great! Here's some resources to help you:

What can I do for Mozilla is the best place to start, regardless of your interests or abilities.

If you have questions, join the #introduction channel on irc.mozilla.org.

Software Development / Programming

An Introduction to Contributing to the Mozilla Codebase guides you through the first steps of contributing to Firefox.

Bugs Ahoy finds mentored bugs that you can work on.

Code Firefox has awesome videos that covers the Firefox development process and walk you through your first bug.

Mobile/Get_Involved should be the first place you look if you're a Java developer, or want to contribute to our mobile browser.

Webdev/GetInvolved is the place to be if you're a web developer. Most of the code on our sites is HTML, CSS, JavaScript and Django (Python).

Testing / Quality Assurance

One and Done gives users a wide variety of ways to contribute to Mozilla. You can pick an easy task that only takes a few minutes - or take on a bigger challenge. This includes working on manual testing, automation, bug verification, mobile testing and more

Firefox Marketplace/Open Web Apps

Firefox Marketplace is the only app store dedicated to providing content built with HTML5 standards and open source values. Help bring openness, freedom, and user choice to the world of app publishing.

Add-ons (extensions and themes)

addons.mozilla.org, commonly known as "AMO", is Mozilla's official site for add-ons. Add-ons let you add new features and change the way your Firefox browser works. Contribute to user freedom by keeping Firefox the most customizable browser available.

All Projects