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    Firefox OS

    Firefox OS is a new mobile operating system, developed by Mozilla and based on Linux and the Gecko engine that powers Firefox.

    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 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.


    Build apps for Firefox OS

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

    Platform guide

    A guide 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.

    Quick guide to Firefox OS

    There is a handy quickfire guidebook available covering the bare essentials you need to develop Firefox OS Apps! Written by Andre Alves Garzia, the Quick Guide For Firefox OS App Development is available for free in PDF, ePUB and MOBI formats. Check it out today.

    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 doing!

    Join the Firefox OS community

    Mailing list/newsgroup:
    Choose your preferred method for joining the discussion.

    Document Tags and Contributors

    Contributors to this page: chrisdavidmills
    Last updated by: chrisdavidmills,
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