head to head · open source
react vs Jitsu
react has 250,566 GitHub stars, 51,372 forks, 1,377 open issues and last shipped yesterday. Jitsu has 5,083 stars, 399 forks, 43 open issues and last shipped yesterday. react leads on adoption by 4,829% (250,566 vs 5,083 stars). react is written in JavaScript under MIT; Jitsu is written in TypeScript under MIT. react has attracted 21% as many forks as stars, Jitsu 8%. Jitsu was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | Jitsu | |
|---|---|---|
| GitHub stars | ★ 251K | ★ 5.1K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 51K | ⑂ 399 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick react if
- You weight community size — 251K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Jitsu if
- You want the Jitsu feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Jitsu fits your workflow better
About react
React is a JavaScript library under the MIT licence for building user interfaces, using a declarative, component based model that renders both on the web and, through React Native, on mobile.
read the full react overview →
About Jitsu
Jitsu is an MIT licensed, self hostable open source event data platform that collects events from websites, apps and servers and delivers them to data warehouses and other tools, built as a fully scriptable alternative to Segment for data teams and developers who want the pipeline inside their own infrastructure.
read the full Jitsu overview →
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Frequently asked questions
Is react or Jitsu more popular?
react has 250,566 GitHub stars and Jitsu has 5,083. react has the larger community by that measure.
Are react and Jitsu free?
Both are open source. react is licensed under MIT and Jitsu under MIT. Neither carries a licence fee.
What is the difference between react and Jitsu?
react is written in JavaScript and Jitsu 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 or Jitsu?
Choose react if you want the larger community (250,566 stars) or its MIT licence terms. Choose Jitsu if its feature set, stack or MIT licence fits better. Both are self-hostable.