Xamarin Studio is described as 'Build better apps with Xamarin Studio' and is a IDE in the development category. There are more than 100 alternatives to Xamarin Studio for a variety of platforms, including Windows, Linux, Mac, Android and Web-based apps. The best Xamarin Studio alternative is Microsoft Visual Studio. It's not free, so if you're looking for a free alternative, you could try Microsoft Visual Studio or Eclipse. Other great apps like Xamarin Studio are PyCharm, Code::Blocks, Lazarus and Qt Creator.
A cross-platform Software Development Kit including a GUI toolkit, a 2D/3D graphics engine, a networking library, an audio output library, an IDE, a compiler for the eC programming language, and more.
Canada
Nusphere PhpED is an advanced PHP Integrated Development Environment (PHP IDE) featuring best-in-class features for editing, debugging and working with PHP applications.
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.
Easy Code is the visual assembly programming environment made to build 32-bit Windows applications. The Easy Code interface, looking like Visual Basic, allows you to program Windows assembler applications (executable files, dynamic and static libreries, COFF object files...
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!
Lightweight Rapid Application Development (RAD) IDE for Windows. Build fast, standalone native Win32 desktop apps (<3MB) with visual controls, Edge WebView2 (HTML5/Tailwind), and AI Dev Kit. The anti-bloat alternative to Electron.
Spain
EU
MIDletPascal is an Pascal compiler and IDE specifically designed to create software for mobiles. It generates Java bytecode that runs on any Java ME device. In September 2009, Niksa Orlic, who wrote MIDlet pascal, transmitted the source code to the Russian Boolean.
The Appcelerator platform is everything you need to create great, native mobile apps—all from a single JavaScript code base.
United States
WideStudio is an open source, Integrated Development Environment for desktop applications purely made in Japan. This enables you to develop GUI applications that can run on Windows95/98/Me/NT/2000/Xp, WindowsCE, Linux, FreeBSD, SOLARIS, MacOSX(w/X11), BTRON, T-Engine...
Japan
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.
Korduene is a visual programming IDE, that lets you create applications without writing code, or having to know any programming languages, or any previous coding experience.
Sweden
