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Firefox OS

 

Firefox OS is the new mobile operating system developed by Mozilla, based on Linux and Firefox's powerful Gecko rendering engine.

Firefox OS is the new mobile operating system developed by Mozilla, based on Linux and Firefox's powerful Gecko rendering engine.

Firefox OS is open source and therefore free from proprietary technology, while still providing the power to allow application developers to create excellent products. In addition, it's flexible and capable enough to make the end user happy.

For Web developers, the most important part to understand is that the entire user interface is a web app capable of displaying and launching other Web apps. Any modifications you make to the user interface and any applications you create to run on Firefox OS are web apps created using HTML, CSS, and JavaScript, albeit with enhanced access to the mobile device's hardware and services.

From a product perspective, Firefox OS is Mozilla's (and our OEM partner's) branding and support services applied on top of Boot to Gecko (B2G), which is the operating system's engineering codename. Boot to Gecko is developed by a team of engineers inside Mozilla plus many external contributors from the wider Mozilla/open source community.

Develop apps for Firefox OS

Head over to our App Center for all the information you could possibly need on building open web apps that can be installed on Firefox OS !

Platform guides

Guides for platform developers on how the different components of the Firefox OS platform fit together and work.

Build & install

Guides covering building and installing Firefox OS on an emulator, compatible device, or desktop simulator.

Developer phones

Information on specific developer phones, such as tweaking, updating, recovering, and  buying.

Firefox OS books

There are a number of published and in-progress books covering various aspects of Firefox OS development. For more details, go to Firefox OS Books.

Note: We are keeping track of ongoing work on Firefox OS documentation on our Firefox OS documentation status page. If you want to help contribute to Firefox OS documentation, please have a look at this page to see what work needs tweaking!

Join the Firefox OS community

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