The most beautiful and efficient way to develop hybrid and mobile web apps.
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Latest 2.0.0 released . See all versions.
Distributed free and open source (Apache 2.0) via GitHub

Framework-agnostic UI components let you do wonders.
Select and switch between frameworks or go pure JavaScript:

Onsen UI provides UI framework and tools for creating fast and beautiful HTML5 hybrid mobile apps based on PhoneGap / Cordova. Having common core with no framework dependencies, app development with Onsen UI is easy with any of the ever-changing JavaScript frameworks.

The fastest way to develop beautiful hybrid and mobile web apps

Experience streamlined development with zero-time setup, with the technologies you already know and love - JavaScript, HTML and CSS. With the complete development stack provided in the cloud, you don't need to waste any time maintaining the constantly-updating platform SDKs.

All the tools you need are in the Cloud

Powerful CLI (command-line tool) and desktop app (for Windows and macOS) simplify complicated tasks. Plus, these tools are integrated with debugger app with live-reload feature, remote-build and many other Cloud features.

Beautiful native look and feel with lots of ready-to-use components and automatic styling

A rich variety of UI components specially designed for mobile apps. Onsen UI provides tabs, side menu, stack navigation and tons of other components such as lists and forms. They all have iOS and Android Material design support, with automatic styling that will change the appearance of the app based on the platform. With Onsen UI you can truly support both Android and iOS with the same source code.

Performance optimized for mobile

All animations in Onsen UI have been tuned and optimized to perform well on a wide range of devices. We take great care to ensure that apps made using Onsen UI feel smooth even on lower end devices.

Easy to learn

Onsen UI is easy to learn while being a powerful tool to create complex mobile apps. We have lots of learning resources including official documentation, an interactive tutorial and a community forum where your questions get answered.

Work your magic with Onsen UI

Get inspired by wonderful apps created with Onsen UI that have already been published in Google Play and App store. Onsen UI apps have shipped on over 100 million mobile devices. See our sample apps here.

Giro D'Italia

Official app for the famous bicycle race

Ohalog

Japanese sleep tracking app

Offcourse Golf

Keep track of your golf score
Tools for developing sharp, useful mobile apps are a key part of any developer toolkit. A framework-agnostic full-stack tool like Onsen UI can go a long way in helping developers build mobile apps that matter. Onsen UI 2.0 is really cool! Onsen UI 2.0’s focus on mobile UX is great for developers attempting to reach a broad audience. Tools for developing sharp, useful mobile apps are a key part of any developer toolkit. A framework-agnostic full-stack tool like Onsen UI can go a long way in helping developers build mobile apps that matter.