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MSYS2 vs Cygwin: catalog facts
MSYS2	Cygwin
Free Free to download and use.	Free Free and open source.
Windows, Command line	Windows, Command line
Pacman package manager with dependency resolution and updates Up-to-date native builds of GCC, CMake, Python, Rust and more	Large package collection of GNU and Unix tools POSIX API layer for porting Unix software to Windows
Windows only Several environments to choose between can confuse newcomers	Cannot run native Linux binaries; software must be rebuilt Requires Windows 8.1 or later for current versions
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL and LGPL (varies by package)
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.