Apps

Build and distribute cross-platform HTML5 apps

Getting Started

The Mozilla Web Apps platform lets you build apps powered by Web standards like HTML5, CSS3, JavaScript and related APIs.

Learn more

Submit Your Apps

The Mozilla Marketplace is open. Submit your apps now.

Submit now

Sign up for the newsletter

Mozilla unlocks the power of the Web as the world's largest marketplace. Learn more about the Web Apps platform.

Sign up now

Resources for App Developers

  • HTML5

    Web technologies for building build cross-browser, cross-device app experiences.

  • For mobile apps developers

    If you already develop apps for mobile devices, here's how to develop Open Web apps.

  • For web developers

    If you already develop websites, here's how to make them into installable apps.

  • Using apps offline

    How to design apps so they can be cached and used without an Internet connection.