head to head · open source
react vs Jitsu
react has 252,095 GitHub stars, 51,624 forks, 1,377 open issues and last shipped 3 days ago. Jitsu has 5,125 stars, 405 forks, 43 open issues and last shipped yesterday. react leads on adoption by 4,819% (252,095 vs 5,125 stars). react is written in JavaScript under MIT; Jitsu is written in TypeScript under MIT. react has attracted 20% 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 | ★ 252K | ★ 5.1K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-10-31 | 2026-11-02 |
| Forks | ⑂ 52K | ⑂ 405 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick react if
- You weight community size — 252K 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 · React is a JavaScript library for building user interfaces. Declarative: React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. Declarative views make your code more predictable, simpler to understand, and easier to debug. Component Based: Build encapsulated components that manage their own state, then compose them to make complex UIs. Since component logic is written in JavaScript instead of templates, you can easily pass rich data through your app and…
read the full react overview →
About Jitsu
Open source event data platform. An alternative to Segment. Website · Docs · MCP Server · Jitsu Cloud · Self hosting · Slack · MIT License What is Jitsu? Jitsu collects event data from your websites, apps and servers, and delivers it to your data warehouse and to whatever other tools you use. It covers the same ground as Segment, but it's MIT licensed and self hostable, so the whole pipeline can run inside your own infrastructure — or on Jitsu Cloud, same software, hosted. Data lands in minutes, not hours: Segment loads warehouses once or twice a day (hourly at best), while Jitsu delivers per destination in…
read the full Jitsu overview →
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Frequently asked questions
Is react or Jitsu more popular?
react has 252,095 GitHub stars and Jitsu has 5,125. 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 (252,095 stars) or its MIT licence terms. Choose Jitsu if its feature set, stack or MIT licence fits better. Both are self-hostable.