Compare software

pigz vs Plzip: catalog facts
pigz	Plzip
Free Free and open source with no paid tier.	Free Free software.
Linux, Command line	Linux, Command line
Uses all CPU cores when compressing Output is standard gzip format	Uses many CPU cores on large files Output is standard lzip, readable by other lzip tools
Decompression gains little from multiple cores Distributed as source code; you may need to compile it	Slightly larger files than single-threaded lzip No speed benefit on small files
Downloadable app	Downloadable app
Open source	Open source
License: Zlib	License not stated
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 October 1, 2026

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