Third-party video compression software components for programmers.

Data compression utility for the OS/2 family of operating systems. Extensive drag and drop implementation and speech enabled utility that deals with "zip" and OS/2 "packed" archive formats.

Relative new though already used on many sites. When compared to WinZip the most important advantage of WinAce is better compression.

COM objects to Zip and Unzip files.

Open source Windows utility for manipulating archives. Formats 7z, ZIP, GZIP, BZIP2 and TAR are supported fully, other formats can be unpacked.

Compression for Lotus Notes, that automatically compresses attached files into ZIP files or self-extracting files. Features full integration with the Lotus Notes email client software.

A massively spiffy yet delicately unobtrusive compression library.