head to head · open source
monaco-editor vs SingleFile
monaco-editor has 46,758 GitHub stars, 4,128 forks, 859 open issues and last shipped 5 days ago. SingleFile has 22,411 stars, 1,410 forks, 101 open issues and last shipped yesterday. monaco-editor leads on adoption by 109% (46,758 vs 22,411 stars). monaco-editor is written in JavaScript under MIT; SingleFile is written in JavaScript under AGPL-3.0. monaco-editor has attracted 9% as many forks as stars, SingleFile 6%. SingleFile 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
| monaco-editor | SingleFile | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 22K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-13 | 2026-09-17 |
| Forks | ⑂ 4.1K | ⑂ 1.4K |
| 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 SingleFile if
- You want the SingleFile feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and SingleFile 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 SingleFile
SingleFile is a web extension, and also a command line tool, that saves a complete web page into a single HTML file. It is written in JavaScript and released under the AGPL 3.0 license, and it lives in the browser extension ecosystem, with builds published for Chrome, Firefox (desktop and mobile), Microsoft Edge, Safari, Vivaldi, Brave, Waterfox, Yandex browser, and Opera. The project has been developed for roughly sixteen years and is distributed through the extension stores of Firefox, Chrome, Safari, and Microsoft Edge, as well as through manual installation from the project archive.
read the full SingleFile overview →
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Frequently asked questions
Is monaco-editor or SingleFile more popular?
monaco-editor has 46,758 GitHub stars and SingleFile has 22,411. monaco-editor has the larger community by that measure.
Are monaco-editor and SingleFile free?
Both are open source. monaco-editor is licensed under MIT and SingleFile under AGPL-3.0. Neither carries a licence fee.
What is the difference between monaco-editor and SingleFile?
monaco-editor is written in JavaScript and SingleFile 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, monaco-editor or SingleFile?
Choose monaco-editor if you want the larger community (46,758 stars) or its MIT licence terms. Choose SingleFile if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.