Cygwin
Cygwin: A free, mature POSIX environment for Unix tooling and development on Windows. Ranked #25 of 26 in Windows Compatibility Layers by our editors (6.1/10); pricing: Free plan; best for unix tools and shells on Windows.
At a glance
- Editor score6.1 / 10
- PricingFree plan
- Best forUnix tools and shells on Windows
- Free planYes
- Paid fromFree
- macOS supportNo
- Facts checked21 Sep 2026
Where it wins
- POSIX emulation with Bash, Tcsh, Zsh, and Unix utilities
- Thousands of installable GNU, BSD, and open-source packages
- Supports Unix software ports and Win32 console or GUI development
Where it doesn't
- Runs on Windows rather than macOS or Linux
- Is not designed to run arbitrary Windows applications elsewhere
- Graphics support centers on Cygwin/X and X applications
Our verdict on Cygwin
Cygwin provides a Linux-like environment for Windows through a DLL that implements substantial POSIX system-call functionality. It is aimed at developers, system administrators, and technical users who need Unix shells, command-line utilities, development libraries, and package-based workflows without leaving Windows. Bash, Tcsh, and Zsh are included, alongside GNU and BSD tools, installable packages, and utilities for working with both Unix and Windows software.
Package management is a central part of the experience. Cygwin’s setup program supports graphical package selection and command-line installation, and it can install and update selected packages over time. Package search and searchable package contents help users find available tools. The package collection also extends into graphical Unix software through Cygwin/X and X applications. This makes Cygwin a practical fit for users who want a broad Unix-style toolkit rather than a narrowly focused shell replacement.
Cygwin is also designed for software portability and Windows development. Its APIs can help port Unix software to Windows, while its toolset supports building Win32 console and GUI applications. The important boundary is its focus: Cygwin supplies POSIX emulation and Unix tooling on Windows, not a general-purpose method for running Windows applications on other operating systems. Choose it for Unix-oriented development, administration, scripting, and command-line work on Windows; choose an alternative if your priority is broad Windows-application compatibility outside Windows.
Your product? Our editors can test Cygwin in depth and publish a review, labelled as paid · from $149/mo →
Cygwin pricing
Cygwin fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| macOS support | No |
| Linux support | No |
| Apple silicon support | Not verified |
| Graphics acceleration | Not verified |
| Compatibility database | Not verified |
| Prefix management | Not verified |
| Deployment | Desktop |
| Platforms | Windows |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | cygwin.com |
| Facts checked | 21 Sep 2026 |
Alternatives to Cygwin
- WineWine is a free, broad foundation for running Windows applications on Linux and macOS.9.4
- BottlesA free, open-source choice for organizing and running Windows apps across platforms.9.2
- CrossOverA paid compatibility layer with application recipes, bottles, ratings, and graphics options.9.0
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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