Sencha Touch is described as 'Allows you to develop mobile web apps that look and feel native on iPhone, Android, and BlackBerry touch devices' and is an app in the development category. There are more than 25 alternatives to Sencha Touch for a variety of platforms, including Windows, Web-based, Android, iPhone and Mac apps. The best Sencha Touch alternative is Qt Creator. It's not free, so if you're looking for a free alternative, you could try RhoMobile or Appcelerator Titanium. Other great apps like Sencha Touch are B4X, jQuery Mobile, DroidScript and Trigger.IO.
Qt Creator is a cross-platform integrated development environment (IDE) built for the maximum developer experience. Qt Creator runs on Windows, Linux, and macOS desktop operating systems and allows developers to create software across desktop, mobile, and embedded platforms.
Finland
EU
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.
United States
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.
United States
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.
Build native mobile apps for multiple platforms from a single HTML5 codebase. You write your HTML5 code using the Forge JavaScript API which gives you access to native features such as the camera and contacts API.
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!
10Duke SDK is a rapid application development (RAD) kit for creating new online applications; it provides a modular, reusable set of libraries designed to meet the challenging requirements of online applications.
United Kingdom
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.
FranceEU
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.
Sweden