head to head · open source
monaco-editor vs firefox-ios
monaco-editor has 46,758 GitHub stars, 4,128 forks, 859 open issues and last shipped 5 days ago. firefox-ios has 13,039 stars, 3,265 forks, 1,827 open issues and last shipped yesterday. monaco-editor leads on adoption by 259% (46,758 vs 13,039 stars). monaco-editor is written in JavaScript under MIT; firefox-ios is written in Swift under MPL-2.0. monaco-editor has attracted 9% as many forks as stars, firefox-ios 25%. firefox-ios 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 | firefox-ios | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 13K |
| License | MIT | MPL-2.0 |
| Written in | JavaScript | Swift |
| Last push | 2026-09-13 | 2026-09-17 |
| Forks | ⑂ 4.1K | ⑂ 3.3K |
| 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 firefox-ios if
- You want the firefox-ios feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Swift
- You evaluated both and firefox-ios 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 firefox-ios
Firefox for iOS is the Mozilla maintained, Swift written monorepo that holds the complete source for the Firefox and Focus browsers on Apple's mobile platform, released under the Mozilla Public License 2.0 and intended for iOS engineers, Mozilla contributors, and anyone who wants to build, audit, or modify the browser running on an iPhone or iPad.
read the full firefox-ios overview →
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Frequently asked questions
Is monaco-editor or firefox-ios more popular?
monaco-editor has 46,758 GitHub stars and firefox-ios has 13,039. monaco-editor has the larger community by that measure.
Are monaco-editor and firefox-ios free?
Both are open source. monaco-editor is licensed under MIT and firefox-ios under MPL-2.0. Neither carries a licence fee.
What is the difference between monaco-editor and firefox-ios?
monaco-editor is written in JavaScript and firefox-ios in Swift. 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 firefox-ios?
Choose monaco-editor if you want the larger community (46,758 stars) or its MIT licence terms. Choose firefox-ios if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.