PeaZip is an OS-portable archiver and file split utility, released under LGPL for Windows and Linux. It supports it's native PEA archive format and other mainstream formats, with especial focus on handling open formats:
Full support: 7Z, 7Z-sfx, BZip2, GZip/TGZ, PAQ8F, PAQ8JD, PEA, QUAD, split (.001), TAR, ZIP, browse/extract support: ARJ, CAB, CHM, CPIO, DEB, ISO, Java archives (JAR, EAR, WAR), LHA, LZH, NSIS installers, Open Office file types, RAR, RPM, Z. The user interface allows to browse archives or to apply multiple inclusion and exclusion filters, to save archive's layout, job definition and job log. Most used functions are also available from "SendTo" menu, allowing to: send files to .7z, .pea and .zip archives, encrypt multiple files and folders, split files, extract, list or test multiple archives (even of different types) at once. The interface is skinnable. Version 1.4 has updated UI, added .quad format support - Added UPX support.