Archive manager for GNUstep

 Zipper is a tool for extracting and viewing archive files for GNUstep.
 It provides the following features:
 .
  * Decompression of Tar (.tar.gz, .tar.bz2, .tar.xz), LHA (.lha,
    .lzx), RAR (.rar), ZIP (.zip), 7z (.7z, .7za), ZOO (.zoo), ACE
    (.ace) and ARJ (.arj) archives
  * Archive creation (.tar.gz, .tar.bz2, .tar.xz, .lha, .zip, .7z/.7za
    and .zoo)
  * GNUstep "Create archive" service