7-Zip is a file archiver with a high compression ratio. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. High compression ratio in new 7z format with LZMA compression. Supported formats - Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR. Unpacking only: 7z, ZIP, RAR, GZIP, GZ, BZIP2, BZ2, TAR, CAB, ISO, ARJ, LZH, LHA, CHM, MSI, WIM, Z, CPIO, RPM, DEB, CPIO, DMG, FAT, HFS, LZMA, NTFS, SPLIT, SWM, TAZ, TBZ, TBZ2, TGZ, TPZ, VHD, XAR, XZ, Z and NSIS. For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip. Self-extracting capability for 7z format. Integration with Windows Shell. Powerful File Manager. Localizations for 70 languages.

Cacheman is a Windows software designed to speed up your computer by optimizing several caches, managing RAM and fine tuning a number of system settings. Auto-Optimization makes it suitable for novice and intermediate users yet it is also powerful and versatile enough for computer experts. Backups of settings ensure that all user modifications can be reversed with a single click.

PE Explorer lets you open, view and edit 32-bit Windows executable files (also called PE files) with ease. It can open a variety of different PE file types: EXE, DLL, SYS, MSSTYLES, CPL, OCX, ActiveX Controls, BPL, DPL, SCR and more (including executable files that run on MS Windows Mobile platform).

PE Explorer provides functions for disassembly and inspection of unknown binaries, modification of the properties of executable files, plus customization and translation features.