head to head · open source
ECC vs shellcheck
ECC has 297,349 GitHub stars, 43,963 forks, 233 open issues and last shipped 4 days ago. shellcheck has 40,282 stars, 1,973 forks, 1,137 open issues and last shipped 11 days ago. ECC leads on adoption by 638% (297,349 vs 40,282 stars). ECC is written in JavaScript under MIT; shellcheck is written in Haskell under GPL-3.0. ECC has attracted 15% as many forks as stars, shellcheck 5%. ECC was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (developer-tools), 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
| ECC | shellcheck | |
|---|---|---|
| GitHub stars | ★ 297K | ★ 40K |
| License | MIT | GPL-3.0 |
| Written in | JavaScript | Haskell |
| Last push | 2026-11-02 | 2026-10-26 |
| Forks | ⑂ 44K | ⑂ 2.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 297K 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 ECC
Language: English العربية Português (Brasil) 简体中文 繁體中文 日本語 한국어 Türkçe Русский Tiếng Việt ไทย Deutsch Español Українська Polski বাংলা [!WARNING] Official sources only. Install ECC only from verified channels: the GitHub repository github.com/affaan m/ECC, the npm packages ecc universal and ecc agentshield , the GitHub App, the plugin slug ecc@ecc , and the project website ecc.tools. Third party re uploads and unofficial mirrors are not maintained or reviewed by the project and may contain malware. Install with Claude Code Use the guided setup or native plugin commands. Both install the same ecc@ecc plugin. Choose…
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 ECC or shellcheck more popular?
ECC has 297,349 GitHub stars and shellcheck has 40,282. ECC has the larger community by that measure.
Are ECC and shellcheck free?
Both are open source. ECC is licensed under MIT and shellcheck under GPL-3.0. Neither carries a licence fee.
What is the difference between ECC and shellcheck?
ECC 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, ECC or shellcheck?
Choose ECC if you want the larger community (297,349 stars) or its MIT licence terms. Choose shellcheck if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.