# Shellcheck (open-source developer tool)

> Shellcheck is a free, open-source developer tool for Windows, macOS and Linux. ShellCheck, a static analysis tool for shell scripts. It has 40,147 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at koalaman/shellcheck.

ShellCheck is a GPLv3 tool that gives warnings and suggestions for bash/sh shell scripts: See the gallery of bad code for examples of what ShellCheck can help you identify!

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/koalaman/shellcheck |
| Platforms | Linux, macOS, Windows, BSD |
| Interface | desktop GUI |
| GitHub stars | 40,147 |
| License | GPL-3.0 (open source) |
| Replaces | n/a |
| Language | Haskell |
| Website | https://www.shellcheck.net |
| Official | no |
| Category | Code editors & developer tools |
| Latest release | v0.11.0 (Aug 4, 2025) |
| Last commit | Oct 3, 2026 |

## Install

### Homebrew (macOS)

```sh
brew install shellcheck
```

Package page: https://formulae.brew.sh/formula/shellcheck

### winget (Windows)

```sh
winget install koalaman.shellcheck
```

Package page: https://winstall.app/apps/koalaman.shellcheck

### Chocolatey (Windows)

```sh
choco install shellcheck
```

Package page: https://community.chocolatey.org/packages/shellcheck

### AUR (Arch Linux)

Package page: https://aur.archlinux.org/packages/shellcheck-bin

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Canonical page: https://appsgit.com/desktop-apps/shellcheck
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