head to head · open source
Avalonia vs quasar
Avalonia has 31,747 GitHub stars, 2,877 forks, 1,875 open issues and last shipped yesterday. quasar has 27,210 stars, 3,668 forks, 74 open issues and last shipped 15 days ago. Avalonia leads on adoption by 17% (31,747 vs 27,210 stars). Avalonia is written in C# under MIT; quasar is written in JavaScript under MIT. Avalonia has attracted 9% as many forks as stars, quasar 13%. Avalonia was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (android, ios), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Avalonia | quasar | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 27K |
| License | MIT | MIT |
| Written in | C# | JavaScript |
| Last push | 2026-11-02 | 2026-10-19 |
| Forks | ⑂ 2.9K | ⑂ 3.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Avalonia if
- You weight community size — 32K stars and counting
- You want the MIT license terms
- Your stack matches C#
- You value the larger contributor base for long-term maintenance
pick quasar if
- You want the quasar feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and quasar fits your workflow better
About Avalonia
📖 About Avalonia is a cross platform UI framework for dotnet, providing a flexible styling system and supporting a wide range of platforms such as Windows, macOS, Linux, iOS, Android and WebAssembly. Avalonia is mature and production ready and is used by companies, including Schneider Electric, Unity, JetBrains and GitHub. Considered by many to be the spiritual successor to WPF, Avalonia UI provides a familiar, modern development experience for XAML developers creating cross platform applications. While Avalonia UI is similar to WPF, it isn't a 1:1 copy, and you'll find plenty of improvements. For those seeking…
read the full Avalonia overview →
About quasar
Quasar Framework Build high performance Vue.js user interfaces in record time: responsive Single Page Apps, SSR Apps, SSG Apps, PWAs, browser extensions, hybrid mobile apps and Electron apps. If you want, all using the same codebase! Please submit a PR to with your website/app/Quasar tutorial/video etc. Thank you! Supporting Quasar Quasar Framework is an MIT licensed open source project. Its ongoing development is made possible thanks to the support by our awesome sponsors and backers. Please consider supporting our efforts, too! If you use Quasar at work, drop a message to your management about sponsoring us at…
read the full quasar overview →
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Frequently asked questions
Is Avalonia or quasar more popular?
Avalonia has 31,747 GitHub stars and quasar has 27,210. Avalonia has the larger community by that measure.
Are Avalonia and quasar free?
Both are open source. Avalonia is licensed under MIT and quasar under MIT. Neither carries a licence fee.
What is the difference between Avalonia and quasar?
Avalonia is written in C# and quasar in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Avalonia or quasar?
Choose Avalonia if you want the larger community (31,747 stars) or its MIT licence terms. Choose quasar if its feature set, stack or MIT licence fits better. Both are self-hostable.