From Giorgio Tani:
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. It has full support for 7Z, 7Z-sfx, ARC/WRC, BZ2/TBZ2, GZ/TGZ, PAQ/LPAQ/ZPAQ, PEA, QUAD/BALZ, split, TAR, UPX, WIM, XZ, and ZIP formats. Open, browse, extract, test: 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, VHD, WIM, XAR, XPI, XZ, Z/TZ (133 file extension supported).PeaZip allows creating, converting, and extracting multiple archives at once. Create self-extracting archives, bookmark archives and folders, apply powerful multiple search filters to archive's content, export job definition as command line, save archive's layouts, and scan and open with custom applications compressed and uncompressed files. It also features: strong encryption, robust file copy, split/join files (file span), secure data deletion, compare, checksum and hash files, and system benchmark, generate random passwords and key files.
What's new in this version:
Version 3.9 introduces support for ZIPX archives, and features contextual menus for toolbar buttons and context menu was reorganized, and keyboard shortcuts for Organize submenu, related the way file/archive browser displays content, are now associated to Alt+* combinations.