React Studio lets you create components either visually or in code, then use them interchangeably in your designs.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac



B4X is described as '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' and is a popular IDE in the development category. There are more than 50 alternatives to B4X for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best B4X alternative is Eclipse, which is both free and Open Source. Other great apps like B4X are Microsoft Visual Studio, Apache NetBeans, Android Studio and Code::Blocks.
React Studio lets you create components either visually or in code, then use them interchangeably in your designs.



MaxBlox is a complete application development platform. The entire system is web-based and allows the ability to build applications that operate over the web. This is architected as a Platform as a Service (PaaS) system.


OpenBeans is an open-source IDE distribution. It is not a fork of Apache NetBeans, but a distribution, in the same way Ubuntu is a distribution based on Debian. It packages the best there is in the Apache NetBeans* ecosystem, polishes it, fixes minor annoyances and serves them...

AppArchitect is a platform for creating beautiful Mobile Apps.
We make building Apps as simple as using PowerPoint. Anyone can easily build, test and distribute their apps.

An extensible, cross platform IDE written in C# for Embedded C/C++, .NET Core, Avalonia and Typescript.




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...


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.


Create Windows software with VisualNEO, the easiest tool to develop powerful applications. Integrates an IDE with a simple and extensible programming language. Wizards and forms help beginners to learn programming while still great for pros.



Calatrava is a cross-platform mobile framework that lets you share the core logic of your application across iOS, Android and Mobile Web, but unlike other XP toolkits it allows you to always write the highest quality native UI you need. Read the announcement for more detail.