XAD (software)

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Developer(s)Dirk Stöcker
Initial release1998; 26 years ago (1998)
Stable release
13.0 / March 31, 2003; 21 years ago (2003-03-31)
Written inC
Operating systemAmigaOS, MorphOS, AROS
TypeFile Extractor/Decompressor
Websiteweb.archive.org/web/20211217021818/sourceforge.net/projects/libxad/ (LGPL); www.dstoecker.eu/xadmaster.html (Shareware)

The XAD system is an open-source client-based unarchiving system for the Amiga. This means there is a master library called xadmaster.library which provides an interface between the client and the user application and there are clients handling the special archive formats.[1] Three different types to handle file and disk archives and also disk image files (filesystem) are possible.[2][3] They can be made by anyone. The master library itself includes some of these clients internally to make the work somewhat easier for the package maintainer and the user installing it.

The XAD subsystem was officially included in AmigaOS 3.9 along with a simple ReAction GUI-based tool for unarchiving supported file archives.[4] It is also part of MorphOS since version 2.0.[5] The Mac OS X frontend is called The Unarchiver and written in Objective-C.[6]


  1. ^ Drummond, Richard (June 1999). "Cover disc, The Big Squeeze". Amiga Format. No. 124. Future Publishing. p. 85. ISSN 0957-4867.
  2. ^ Drummond, Richard (January 2000). "PD Select, XADMaster v3.1". Amiga Format. No. 132. Future Publishing. p. 40. ISSN 0957-4867.
  3. ^ Němec, Luboš (May 1999). "XFD & XAD Package". Amiga Review (in Czech). No. 44. Atlantida Publishing. pp. 27–29. ISSN 1211-1465.
  4. ^ "HAAGE & PARTNER Computer: Features of AmigaOS 3.9". HAAGE & PARTNER. Retrieved 2016-08-01.
  5. ^ "Release Notes - MorphOS 2.0". morphos-team.net. 2008-06-30. Retrieved 2016-08-01.
  6. ^ "Command line tools". unarchiver.c3.cx. Retrieved 2016-08-01.

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