Brazilian file compressor. Has many interesting features like backup scripts (automated file compression, you can set up 2 output directories, really handy), package builder and more. Unfortunately, doesn't work on Microsoft Windows Vista.
Provide Win32 EXE file packing and to protect them against reverse engineering
You can extract hundreds of compressed ZIP and RAR files
Zipeg is a universal easy to use and freeware file opener for .zip and .rar
