head to head · open source
react vs shellcheck
react has 251,968 GitHub stars, 51,706 forks, 1,377 open issues and last shipped 2 days ago. shellcheck has 40,282 stars, 1,973 forks, 1,137 open issues and last shipped 11 days ago. react leads on adoption by 526% (251,968 vs 40,282 stars). react is written in JavaScript under MIT; shellcheck is written in Haskell under GPL-3.0. react has attracted 21% as many forks as stars, shellcheck 5%. react 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 | shellcheck | |
|---|---|---|
| GitHub stars | ★ 252K | ★ 40K |
| License | MIT | GPL-3.0 |
| Written in | JavaScript | Haskell |
| Last push | 2026-11-04 | 2026-10-26 |
| Forks | ⑂ 52K | ⑂ 2.0K |
| 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 shellcheck if
- You want the shellcheck feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Haskell
- You evaluated both and shellcheck 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 shellcheck
ShellCheck A shell script static analysis tool ShellCheck is a GPLv3 tool that gives warnings and suggestions for bash/sh shell scripts: The goals of ShellCheck are To point out and clarify typical beginner's syntax issues that cause a shell to give cryptic error messages. To point out and clarify typical intermediate level semantic problems that cause a shell to behave strangely and counter intuitively. To point out subtle caveats, corner cases and pitfalls that may cause an advanced user's otherwise working script to fail under future circumstances. See the gallery of bad code for examples of what ShellCheck…
read the full shellcheck overview →
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Frequently asked questions
Is react or shellcheck more popular?
react has 251,968 GitHub stars and shellcheck has 40,282. react has the larger community by that measure.
Are react and shellcheck free?
Both are open source. react is licensed under MIT and shellcheck under GPL-3.0. Neither carries a licence fee.
What is the difference between react and shellcheck?
react is written in JavaScript and shellcheck in Haskell. 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 shellcheck?
Choose react if you want the larger community (251,968 stars) or its MIT licence terms. Choose shellcheck if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.