head to head · open source
react-ace vs codejar
react-ace has 4,204 GitHub stars, 596 forks, 217 open issues and last shipped 10 days ago. codejar has 1,988 stars, 126 forks, 18 open issues and last shipped 1.1 years ago. react-ace leads on adoption by 111% (4,204 vs 1,988 stars). react-ace is written in TypeScript under MIT; codejar is written in TypeScript under MIT. react-ace has attracted 14% as many forks as stars, codejar 6%. react-ace was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (code-editor), 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
| react-ace | codejar | |
|---|---|---|
| GitHub stars | ★ 4.2K | ★ 2.0K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-27 | 2025-10-14 |
| Forks | ⑂ 596 | ⑂ 126 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick react-ace if
- You weight community size — 4.2K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick codejar if
- You want the codejar feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and codejar fits your workflow better
About react-ace
React Ace A set of react components for Ace NOTE FOR VERSION 8! : We have stopped support for Brace and now use Ace builds. Please read the documentation on how to migrate. Examples are being updated. DEMO of React Ace DEMO of React Ace Split Editor DEMO of React Ace Diff Editor Install npm install react ace ace builds yarn add react ace ace builds Basic Usage Examples Checkout the example directory for a working example using webpack. Documentation Ace Editor Split View Editor Diff Editor How to add modes, themes and keyboard handlers Frequently Asked Questions Migrate to version 8 Backers Support us with a…
read the full react-ace overview →
About codejar
CodeJar – an embeddable code editor for the browser Features Lightweight ( 2.45 kB only) No dependencies Preserves indentation on a new line Adds closing brackets, quotes Indents line with the Tab key Supports undo / redo Getting Started Install CodeJar 🍯 via npm: Create an element and init the CodeJar 🍯: Second argument to CodeJar is a highlighting function (like Prism.js, highlight.js): Third argument to CodeJar is options: tab: string replaces "tabs" with given string. Default: \t . Note: use css rule tab size to customize size. indentOn: RegExp allows auto indent rule to be customized. Default /[({\[]$/…
read the full codejar overview →
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Frequently asked questions
Is react-ace or codejar more popular?
react-ace has 4,204 GitHub stars and codejar has 1,988. react-ace has the larger community by that measure.
Are react-ace and codejar free?
Both are open source. react-ace is licensed under MIT and codejar under MIT. Neither carries a licence fee.
What is the difference between react-ace and codejar?
react-ace is written in TypeScript and codejar 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, react-ace or codejar?
Choose react-ace if you want the larger community (4,204 stars) or its MIT licence terms. Choose codejar if its feature set, stack or MIT licence fits better. Both are self-hostable.