18.2
Felgo is a native cross-platform development SDK based on Qt for building applications, games and embedded software.
Free planAndroidiOSWeb
Alternatives to B4X
B4X brings Android and iOS development together with tools for desktop, server and IoT projects. Its language is described as a modern version of Visual Basic, and B4A, B4J and B4i projects can share 90%+ of their code through cross-platform libraries. B4A, B4J and B4R are free, including for commercial use; paid licenses are perpetual and per developer, and apps made with B4A, B4i or B4J are royalty free. B4J covers desktop interfaces, console programs and server solutions,…
27.7
Qt Creator is an IDE for developing applications for desktop, embedded, and mobile systems, as well as web browsers.
Free planAndroidiOSWeb
37.5
GitHub CodeQL is a language and toolchain for analyzing code as data.
Free planWebExtensionLinux
- 4
Tauri Bundler
Tauri Bundler is free, open-source Rust tooling for packaging applications as platform-specific bundles and installers.
Free planAndroidiOSLinuxmacOS7.3Free plan - 5
Avalonia
Free planAndroidiOSWebLinux7.1From €299 a year - 6
Uno Platform
Free planAndroidiOSWebLinux6.9From $390 a year - 7
Xojo
Xojo is a development environment and programming language for creating apps across desktop, web, and mobile platforms.
AndroidiOSWebLinux6.9$499 one-time - 8
Ionic Framework
Ionic Framework is an open-source UI toolkit for building mobile apps with HTML, CSS, and JavaScript.
Free planAndroidiOSWeb6.8Free plan - 9
Haxelib
Haxelib is the library manager included with Haxe distributions, connecting developers to a central repository for finding, installing, and submitting libraries.
Free planAPILinuxmacOSWindows6.5Free plan - 10
Smartface
Smartface is a mobile app development platform for building native iOS and Android apps with JavaScript or TypeScript from a single codebase.
AndroidiOSWebLinux6.5 - 11
Lazarus
Lazarus is a free, Delphi-compatible, cross-platform IDE for Free Pascal and rapid application development.
Free planLinuxmacOSWindows6.3Free plan - 12
Ultimate++
Free planLinuxmacOSWindows6.1Free plan - 13
Framework7 Icons
Framework7 Icons is a free iOS-style icon font made for Framework7, though it can also be used in other projects.
Free planAndroidiOSWebLinux6.0Free plan - 14
Tabris.js
Free planAndroidiOS5.9Free plan - 155.5
- 16
Quasar
AndroidiOSWebLinux5.5 - 17
Compose Multiplatform
AndroidiOSWebLinux5.4 - 18
Dioxus
AndroidiOSWebLinux5.4 - 19
Kivy
AndroidiOSLinuxmacOS5.4 - 20
Kotlin Multiplatform
AndroidiOSWebLinux5.4 - 21
Lynx
AndroidiOSWebmacOS5.4 - 22
OpenFL
AndroidiOSWebLinux5.4 - 23
Slint
AndroidiOSWebLinux5.4 - 24
Toga
AndroidiOSWebLinux5.4 - 25
.NET MAUI
AndroidiOSmacOSWindows5.3 - 26
Apache Cordova
AndroidiOSWeb5.3 - 27
BeeWare
AndroidiOSWebLinux5.3 - 28
Capacitor
AndroidiOSWeb5.3 - 29
Flet
AndroidiOSWebLinux5.3 - 30
Fyne
AndroidiOSWebLinux5.3