head to head · open source
Avalonia vs Screenity
Avalonia has 31,517 GitHub stars, 2,826 forks, 1,875 open issues and last shipped yesterday. Screenity has 18,703 stars, 1,521 forks, 8 open issues and last shipped 2 days ago. Avalonia leads on adoption by 69% (31,517 vs 18,703 stars). Avalonia is written in C# under MIT; Screenity is written in JavaScript under GPL-3.0. Avalonia has attracted 9% as many forks as stars, Screenity 8%. Avalonia was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | Screenity | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 19K |
| License | MIT | GPL-3.0 |
| Written in | C# | JavaScript |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 2.8K | ⑂ 1.5K |
| 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 Screenity if
- You want the Screenity feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and Screenity fits your workflow better
About Avalonia
Avalonia is a cross platform UI framework for .NET, written in C and driven by XAML. It provides a flexible styling system and targets a wide range of platforms, including Windows, macOS, Linux, iOS, Android and WebAssembly. The project is mature and production ready, and it is used by companies such as Schneider Electric, Unity, JetBrains and GitHub. It lives in the .NET ecosystem and is distributed through the NuGet package manager.
read the full Avalonia overview →
About Screenity
Screenity is a JavaScript Chrome extension under the GPL 3.0 license that records the screen and supports annotation in the browser. It lives in the Chrome extension ecosystem and is distributed through the Chrome Web Store, while its source code is available on GitHub.
read the full Screenity overview →
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Frequently asked questions
Is Avalonia or Screenity more popular?
Avalonia has 31,517 GitHub stars and Screenity has 18,703. Avalonia has the larger community by that measure.
Are Avalonia and Screenity free?
Both are open source. Avalonia is licensed under MIT and Screenity under GPL-3.0. Neither carries a licence fee.
What is the difference between Avalonia and Screenity?
Avalonia is written in C# and Screenity 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 Screenity?
Choose Avalonia if you want the larger community (31,517 stars) or its MIT licence terms. Choose Screenity if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.