Felgo is a native cross-platform development SDK based on Qt for building applications, games and embedded software.
Alternatives to Lazarus
Qt Creator is an IDE for developing applications for desktop, embedded, and mobile systems, as well as web browsers.
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B4X
B4X is a suite of rapid application development tools for Android, iOS, desktop, server, and IoT projects.
Free planAndroidiOSLinuxmacOS7.5$59 one-time - 5

GitHub CodeQL
GitHub CodeQL is a language and toolchain for analyzing code as data.
Free planWebExtensionLinuxmacOS7.5From $30 a month - 6

Tauri Bundler
Tauri Bundler is free, open-source Rust tooling for packaging applications as platform-specific bundles and installers.
Free planAndroidiOSLinuxmacOS7.3Free plan - 7

Framework7 Icons
Framework7 Icons is a free iOS-style icon font made for Framework7, though it can also be used in other projects.
Free planAndroidiOSWebLinux7.1Free plan - 8

Ionic Framework
Ionic Framework is an open-source UI toolkit for building mobile apps with HTML, CSS, and JavaScript.
Free planAndroidiOSWeb7.1Free plan - 9
Uno Platform
Free planAndroidiOSWebLinux6.9From $390 a year - 10
Xojo
Xojo is a development environment and programming language for creating apps across desktop, web, and mobile platforms.
AndroidiOSWebLinux6.9$499 one-time - 11
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 - 12
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 - 13
Ultimate++
Free planLinuxmacOSWindows6.1Free plan - 145.9
- 15
Tabris.js
Free planAndroidiOS5.9Free plan - 16
Kotlin Multiplatform
AndroidiOSWebLinux5.8 - 17
NativeScript
AndroidiOSWeb5.8 - 18
.NET MAUI
AndroidiOSmacOSWindows5.7 - 19
Apache Cordova
AndroidiOSWeb5.7 - 20
Capacitor
AndroidiOSWeb5.7 - 21
Quasar
AndroidiOSWebLinux5.5 - 22
React Native
AndroidiOS5.5 - 23
Compose Multiplatform
AndroidiOSWebLinux5.4 - 24
Dioxus
AndroidiOSWebLinux5.4 - 25
Kivy
AndroidiOSLinuxmacOS5.4 - 26
Lynx
AndroidiOSWebmacOS5.4 - 27
OpenFL
AndroidiOSWebLinux5.4 - 28
Slint
AndroidiOSWebLinux5.4 - 29
Toga
AndroidiOSWebLinux5.4 - 30
BeeWare
AndroidiOSWebLinux5.3
