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Cygwin vs w64devkit: catalog facts
Cygwin	w64devkit
Free Free and open source.	Free Free and released into the public domain under the Unlicense.
Windows, Command line	Windows, Command line
Large package collection of GNU and Unix tools POSIX API layer for porting Unix software to Windows	Portable, runs without installation Includes GCC, linker, assembler and GDB in one package
Cannot run native Linux binaries; software must be rebuilt Requires Windows 8.1 or later for current versions	Command-line only, no graphical IDE Windows targets only
Downloadable app	Downloadable app
Open source	Open source
License: GPL and LGPL (varies by package)	License: Unlicense
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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