The best free alternative to Sencha Touch is Appcelerator Titanium, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Sencha Touch and 15 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Sencha Touch are B4X, RhoMobile, jQuery Mobile and Mobile Angular UI.
Appcelerator Titanium, offered for free by Appcelerator, lets web developers use web technologies, open source and cloud computing to build native apps for iPhone, Android, Windows, Mac OSX and Linux.
Cross platform development tools for native iOS, Android, desktop and server applications. B4X is a Rapid Application Development (RAD) tool for real world apps. The programming language is a modern version of Visual Basic.
A unified, HTML5-based user interface system for all popular mobile device platforms, built on the rock-solid jQuery and jQuery UI foundation. Its lightweight code is built with progressive enhancement, and has a flexible, easily themeable design.
Mobile Angular UI is a mobile UI framework just like Sencha Touch or jQuery Mobile. If you know Angular JS and Twitter Bootstrap you already know it!
DroidScript is an IDE that runs on Android devices for coding, testing and building apps to run on Android. Code is written in javascript with objects and methods for layout, controls, sensors, camera, web, files, etc.
Kurogo is open-source Mobile Optimized Middleware™ from Modo Labs that connects content from a wide range of back-end sources, refactors and recombines it, and makes it available on any mobile device.
Convertigo is a Low code Open source Enterprise Mobility Platform enabling Enterprises to reduce their mobile apps development costs and delivery time by 10 to 50 times.
The MoSync SDK is an open source development environment for mobile which allows you to develop apps for modern platforms including iOS and Android, using HTML5/Javascript, C/C++ or by blending languages to suit your own requirements as a developer.
eMobc is a framework to develop multiplatform native mobile apps in IOS, Android and HTML5 based in XML.
General-purpose tool enabling the creation of cross-platform native-like desktop applications using HTML, CSS, and JavaScript, with a single codebase running on Mac, Windows, and Linux. Suitable for prototyping, production, and offline app development.
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