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busybox-w32 vs Cygwin: catalog facts
busybox-w32	Cygwin
Free Free and open source under the GPL-2.0 licence.	Free Free and open source.
Windows, Command line	Windows, Command line
Single native executable with no dependencies Includes a POSIX shell, awk, sed and vi	Large package collection of GNU and Unix tools POSIX API layer for porting Unix software to Windows
Implements only a subset of full BusyBox and GNU tool features Windows only	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: GPL-2.0	License: GPL and LGPL (varies by package)
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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