Open source, Free (as in freedom), and free (as in cheap).
Also available for Linux/*BSDs and other operating systems.
From their website:
- Supported formats:
- Packing/unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
- Unpacking only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR and Z.
Hope that helps.
I’ve been late 5 minutes, and already two others beat me to it.