versions published by Haage & Partner Computer GmbH.) Open source release history GPSoftware released the older Amiga Directory Opus 4 source code in 2000 as open-source under the GNU General Public License. AmigaOS4, AROS and MorphOS ports of this version were made available. Magellan II was released as open source under the AROS Public License in December 2012. The open source 'Worker' file manager is heavily inspired by the Directory Opus 4 series. See also Comparison of file managers References External links Directory Opus 4 Research Project Opus Resource Centre Forum Getting to know Directory Opus (Guide) Orthodox file managers Amiga software Utilities for Windows