7-zip

Share folders by email in seconds - with AckerPack you can compress and share any folder instantly. More compact than fat ZIPs! Create self-extracting archives, software installations or eBooks in just three clicks!

Handles archives of most formats: Rar, Zip, Bz2, Ace, 7-Zip, Iso, Tar, Cab, Cbr, Cbz, Jar, Msi, Pk3, Arc, Arj, Bin, Boo, Cpio, Deb, Gca, Gz, Hdr, Hqx, Lzh, Lzx, Pak, Pp, Rpm, Sqx, Tgz, Wad, Wb1, Wba, Wbc, Z, Zoo, and more. Has a build-in viewer.

7-Zip is a file archiver with the highest compression ratio. The program supports 7z, ZIP, RAR, CAB, ARJ, LZH, CHM, CPIO, RPM, DEB, GZIP, BZIP2, Z and TAR formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format.

Don't wait until your data is gone! Back2zip uses the industry's most powerful ZIP and ZIP-64 technologies to constantly monitor your documents and make sure that they are always properly backed up.

JustZIPit is a tiny, powerful, free ZIP tool. Replaces clunky interfaces with pure simplicity. Lean and mean with full ZIP-64 support!

Backup Chunker is a backup/synchronization solution with unique features! Perform multiple synchronizations between computers, USB disks, MP3 players, secure FTP & WebDav hosts. Can also backup into multiple compressed and/or encrypted zip files.