Compare software

crabz vs pigz: catalog facts
crabz	pigz
Free Free and open source, dual-licensed under MIT and the Unlicense.	Free Free and open source with no paid tier.
macOS, Linux, Command line	Linux, Command line
Multi-threaded compression in the style of pigz Supports Gzip, Zlib, BGZF, Mgzip, raw Deflate and Snap	Uses all CPU cores when compressing Output is standard gzip format
Described by its author as a proof of concept Handles single streams, not archive formats like ZIP or 7z	Decompression gains little from multiple cores Distributed as source code; you may need to compile it
Downloadable app	Downloadable app
Open source	Open source
License: MIT OR Unlicense	License: Zlib
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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