head to head · open source

Avalonia vs webtorrent

Avalonia has 31,747 GitHub stars, 2,877 forks, 1,875 open issues and last shipped yesterday. webtorrent has 31,465 stars, 2,852 forks, 83 open issues and last shipped 3 days ago. Avalonia leads on adoption by 1% (31,747 vs 31,465 stars). Avalonia is written in C# under MIT; webtorrent is written in JavaScript under MIT. Avalonia has attracted 9% as many forks as stars, webtorrent 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.

Avalonia ★ 32K webtorrent ★ 31K category Productivity & Utilities

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Side by side

Avalonia webtorrent
GitHub stars ★ 32K ★ 31K
License MIT MIT
Written in C# JavaScript
Last push 2026-11-02 2026-10-31
Forks ⑂ 2.9K ⑂ 2.9K
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

full Avalonia profile →

pick webtorrent if

  • You want the webtorrent feature set and don't need the biggest community
  • You prefer the MIT license terms
  • Your stack matches JavaScript
  • You evaluated both and webtorrent fits your workflow better

full webtorrent profile →

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 webtorrent

WebTorrent The streaming torrent client. For node.js and the web. Sponsored by WebTorrent is a streaming torrent client for node.js and the browser . YEP, THAT'S RIGHT. THE BROWSER. It's written completely in JavaScript – the language of the web – so the same code works in both runtimes. In node.js, this module is a simple torrent client, using TCP and UDP to talk to other torrent clients. In the browser, WebTorrent uses WebRTC (data channels) for peer to peer transport. It can be used without browser plugins, extensions, or installations. It's Just JavaScript™. Note: WebTorrent does not support UDP/TCP peers in…

read the full webtorrent overview →

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Frequently asked questions

Is Avalonia or webtorrent more popular?

Avalonia has 31,747 GitHub stars and webtorrent has 31,465. Avalonia has the larger community by that measure.

Are Avalonia and webtorrent free?

Both are open source. Avalonia is licensed under MIT and webtorrent under MIT. Neither carries a licence fee.

What is the difference between Avalonia and webtorrent?

Avalonia is written in C# and webtorrent 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 webtorrent?

Choose Avalonia if you want the larger community (31,747 stars) or its MIT licence terms. Choose webtorrent if its feature set, stack or MIT licence fits better. Both are self-hostable.