head to head · open source
Avalonia vs fingerprintjs
Avalonia has 31,517 GitHub stars, 2,826 forks, 1,875 open issues and last shipped yesterday. fingerprintjs has 28,466 stars, 2,621 forks, 19 open issues and last shipped yesterday. Avalonia leads on adoption by 11% (31,517 vs 28,466 stars). Avalonia is written in C# under MIT; fingerprintjs is written in TypeScript under MIT. Avalonia has attracted 9% as many forks as stars, fingerprintjs 9%. Avalonia was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser), 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 | fingerprintjs | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 28K |
| License | MIT | MIT |
| Written in | C# | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.8K | ⑂ 2.6K |
| 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 fingerprintjs if
- You want the fingerprintjs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and fingerprintjs 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 fingerprintjs
FingerprintJS is an open source, client side browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them, aimed at web developers and engineering teams that need to recognise returning browsers without depending on cookies or local storage.
read the full fingerprintjs overview →
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Frequently asked questions
Is Avalonia or fingerprintjs more popular?
Avalonia has 31,517 GitHub stars and fingerprintjs has 28,466. Avalonia has the larger community by that measure.
Are Avalonia and fingerprintjs free?
Both are open source. Avalonia is licensed under MIT and fingerprintjs under MIT. Neither carries a licence fee.
What is the difference between Avalonia and fingerprintjs?
Avalonia is written in C# and fingerprintjs in TypeScript. 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 fingerprintjs?
Choose Avalonia if you want the larger community (31,517 stars) or its MIT licence terms. Choose fingerprintjs if its feature set, stack or MIT licence fits better. Both are self-hostable.