Free Alternative to Xamarin
4 free & open-source projects that replace Xamarin.
Compare at a Glance
| vs Xamarin |  flutter |  swift |  Avalonia |  compose-multiplatform |
|---|---|---|---|---|
| Stars | 179k | 70k | 31k | 19k |
| Forks | 31k | 11k | 2.8k | 1.4k |
| Contributors | 30 | 30 | 30 | 30 |
| Last Commit | Jun 24, 2026 | Aug 30, 2026 | Sep 1, 2026 | Sep 1, 2026 |
| License | BSD-3-Clause | Apache-2.0 | MIT | Apache-2.0 |
| Language | Dart | Swift | C# | Kotlin |
Tired of expensive cross-platform development tools like Xamarin, or juggling multiple codebases for different platforms?
Discover Compose Multiplatform, a modern UI framework from JetBrains that empowers you to build beautiful, performant user interfaces with Kotlin. It extends Kotlin's declarative UI framework across different platforms, allowing developers to create engaging experiences with a single, unified codebase.
- 💻 Single codebase, multiple platforms
- 🎨 Declarative UI, intuitive design
- 🚀 Native performance, smooth UX
- 📱 Android, iOS, Web, Desktop
- ✨ Modern Kotlin-first framework
Embrace the freedom of truly open-source software. Compose Multiplatform is free forever, offering powerful capabilities without any subscription fees or hidden costs. Build without limits!
Explore Compose Multiplatform and revolutionize your development workflow today: https://fossy.dev/JetBrains/compose-multiplatform
