download top free software for windows mac os x and linux
7zip is a file archiver with a high compression ratio. 7zip has its own format 7z and supports many formats like zip rar cab iso etc..
PeaZip is a free, open source file and archive manager
PeaZip is cross platform, available as portable and installable software for 32 and 64 bit Windows (9x, 2000, XP, Vista) and Linux (PeaZip is a desktop neutral application).
Neither WinZip nor WinRar are free but PeaZip is opensource free (gratis) software that every computer user needs for bussiness and home use.
can create archive formats : 7Z, ARC, BZ2, GZ, PAQ/LPAQ, PEA, QUAD/BALZ, TAR, UPX, ZIP;
can open archive formats : ACE, ARJ, CAB, CHM, COMPOUND (MSI, DOC, XLS, PPT), CPIO, ISO, Java (JAR, EAR, WAR), Linux (DEB, PET/PUP, RPM, SLP), LHA/LZH, LZMA, Mac (DMG/HFS), NSIS, Open Office files, PAK/PK3/PK4, RAR, SMZIP, U3P, UDF, WIM, XAR, XPI, Z/TZ.