head to head · open source
react-ace vs codejar
react-ace has 4,206 GitHub stars, 598 forks, 217 open issues and last shipped yesterday. codejar has 1,982 stars, 123 forks, 18 open issues and last shipped 11 months ago. react-ace leads on adoption by 112% (4,206 vs 1,982 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 | 2026-09-21 | 2025-10-14 |
| Forks | ⑂ 598 | ⑂ 123 |
| 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 is a set of React components that wrap the Ace code editor, published on npm under the MIT licence for developers who need an editable code surface inside a React application.
read the full react-ace overview →
About codejar
CodeJar is a dependency free, 2.45 kB embeddable code editor for the browser, built for JavaScript and TypeScript developers who need lightweight, highlighting aware code editing inside a web page without adopting a full editor framework.
read the full codejar overview →
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Frequently asked questions
Is react-ace or codejar more popular?
react-ace has 4,206 GitHub stars and codejar has 1,982. 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 (4,206 stars) or its MIT licence terms. Choose codejar if its feature set, stack or MIT licence fits better. Both are self-hostable.