head to head · open source
monaco-editor vs Avalonia
monaco-editor has 46,758 GitHub stars, 4,128 forks, 859 open issues and last shipped 5 days ago. Avalonia has 31,517 stars, 2,826 forks, 1,875 open issues and last shipped yesterday. monaco-editor leads on adoption by 48% (46,758 vs 31,517 stars). monaco-editor is written in JavaScript under MIT; Avalonia is written in C# under MIT. monaco-editor has attracted 9% as many forks as stars, Avalonia 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.
← all 8884 open source comparisons
Side by side
| monaco-editor | Avalonia | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 32K |
| License | MIT | MIT |
| Written in | JavaScript | C# |
| Last push | 2026-09-13 | 2026-09-17 |
| Forks | ⑂ 4.1K | ⑂ 2.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick monaco-editor if
- You weight community size — 47K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Avalonia if
- You want the Avalonia feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and Avalonia fits your workflow better
About monaco-editor
Monaco Editor is the fully featured code editor from VS Code, packaged as an npm library so that developers can embed the same editing experience inside their own browser based applications.
read the full monaco-editor overview →
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 →
More in Productivity & Utilities
Related comparisons
More Browsers & Extensions projects
Compare either of these against the rest of the Browsers & Extensions field.
Frequently asked questions
Is monaco-editor or Avalonia more popular?
monaco-editor has 46,758 GitHub stars and Avalonia has 31,517. monaco-editor has the larger community by that measure.
Are monaco-editor and Avalonia free?
Both are open source. monaco-editor is licensed under MIT and Avalonia under MIT. Neither carries a licence fee.
What is the difference between monaco-editor and Avalonia?
monaco-editor is written in JavaScript and Avalonia in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, monaco-editor or Avalonia?
Choose monaco-editor if you want the larger community (46,758 stars) or its MIT licence terms. Choose Avalonia if its feature set, stack or MIT licence fits better. Both are self-hostable.