Developed by: Robert K. Jung
Launched: 1990
Innovation: The ability to use different types of compression made it suitable for transferring files with different compressions via modem.

The file compression application created by Robert K. Jung that allowed users to reduce storage space and transfer speed when connecting to BBSs in the early to mid-1990s.

With over 150 documented command line parameters, its extensive capabilities (such as splitting large files across floppy disks) led to widespread adoption by computer users.