Info-ZIP is a diverse, Internet-based workgroup of about 20 primary authors and over one hundred beta-testers, formed in 1990 as a mailing list hosted by Keith Petersen on the original SimTel site at the White Sands Missile Range in New Mexico
Info-ZIP UnZip and Zip are free, portable, compressor-archiver
utility programs, which are intended to be compatible with PKZIP by
PKWARE, Inc. PKWARE and PKZIP are registered trademarks of PKWARE, Inc.
The .ZIP archive format is widely used, by these and other programs..
Zip 3.1 is the latest Zip update of Zip 3.x with large file and split
archive support. For now Zip 2.3x (Zip 2.32 being the current 2.x
release) remains available and supported, but users should switch to Zip
3.x as soon as possible as the Zip 2.3x code thread is getting out of
touch with modern systems.