Firefox

Firefox is Mozilla's popular Web browser application, available for many platforms including Windows, Mac OS X, and Linux on the desktop, as well as Android on mobile devices. With broad compatibility with the latest in Web technologies and powerful developer tools, Firefox is the greatest browser both for end users and Web developers.

Firefox is an open source project; much of the code is contributed by our enormous volunteer community. Here you'll learn both about contributing to the Firefox project, but you'll also find links to documentation about building Firefox add-ons, using the Firefox developer tools, and so forth.

Docs for add-on developers

Add-ons
Overall documentation about creating Firefox add-ons.
Add-on SDK
The Firefox SDK is a new, powerful, easier-to-use SDK for creating Firefox extensions. You should try to use this instead of the older style of add-ons when possible.
Extensions
Documentation for Firefox extension developers.
Release notes for developers
With each release comes new features and changes affecting developers of all kinds. Check out our developer release notes!

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Docs for Firefox developers

Release notes for developers
With each release comes new features and changes affecting developers of all kinds. Check out our developer release notes!
Developer guide
The Mozilla developer guide; complete documentation to joining and participating in the Mozilla project.
Mozilla project documentation
The Mozilla project is huge and complex; check out the full suite of documentation for the entire project.

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Firefox developer community

Are you a Firefox developer? Do you want to be?

Release calendar
Firefox is developed on a six-week schedule; that is, a new version is released every six weeks. Check out our schedule, or subscribe to the iCal calendar.

Don't forget about the netiquette...

Documentlabels en -medewerkers

Medewerkers aan deze pagina: Prashanth
Laatst bijgewerkt door: Prashanth,