head to head · open source
Avalonia vs fingerprintjs
Avalonia has 31,747 GitHub stars, 2,877 forks, 1,875 open issues and last shipped yesterday. fingerprintjs has 28,675 stars, 2,641 forks, 19 open issues and last shipped 3 days ago. Avalonia leads on adoption by 11% (31,747 vs 28,675 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 | ★ 29K |
| License | MIT | MIT |
| Written in | C# | TypeScript |
| Last push | 2026-11-02 | 2026-10-31 |
| Forks | ⑂ 2.9K | ⑂ 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
📖 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 fingerprintjs
FingerprintJS is an open source, client side, browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them. Unlike cookies and local storage, a fingerprint stays the same in incognito/private mode and even when browser data is purged. FingerprintJS is available under the MIT license. Demo Visit to see your visitor identifier. Now, try visiting the same page in private/incognito mode and notice that the visitor identifier remains the same ! Installation npm CDN Run this code Resources 📕 API Reference ⚛️ Sample usage with React on the StackBlitz platform 🔑…
read the full fingerprintjs overview →
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Frequently asked questions
Is Avalonia or fingerprintjs more popular?
Avalonia has 31,747 GitHub stars and fingerprintjs has 28,675. 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 (31,747 stars) or its MIT licence terms. Choose fingerprintjs if its feature set, stack or MIT licence fits better. Both are self-hostable.