### List of known open source software licenses

GNU General Public License
GNU General Public License, Version 1
GNU General Public License, Version 2
GNU General Public License, Version 3
GNU General Public License, Version 2.0
GNU General Public License, Version 3.0
GNU General Public License, Version 2 or later
GNU General Public License, Version 3 or later

GNU Free Documentation License, Version 1.1
GNU Free Documentation License, Version 1.3

BSD 3-Clause License
Simplified (2-clause) BSD License
Revised 3-Clause BSD License
Zero Clause BSD License
BSD Zero Clause license
The Clear BSD License
Clear BSD

MIT License
MIT No Attribution

Mozilla Public License Version 2
Mozilla Public License Version 2.0

Public Domain
Unlicense
Unlicense (Public Domain)
The Unlicense (Public Domain)

Open source
Open Source, see license
Open Source, see licenses
Open Source, see license.txt
Various open source licenses, see LICENSE file

### Copying-Policy text should be corrected to actual license name
; SHSUCDX
# n/a

; FreeCOM
GNU General Public License, Version 2 (GPL)

; Tree
GPL (using public domain findfile by Jeremy Davis and optional use of LGPL catgets by Jim Hall)

; Format
GNU/GPL

; other packages
BSD License
GPL (GNU Public License), v2 and v3
GNU General Public License, Version 2 and 3
GNU Library General Public License, version 2 or later
GNU Library General Public License, Version 2
GNU General Public License 2.0
MIT
BSD
GPL
GPL 2
GPLv2
LGPL

### Rare and one-off licenses

; Jemm386
Artistic license

; EXE2BIN
Sybase Open Watcom Public License, Version 1.0

; MKEYB
GNU General Public License, with exceptions

; FreeDOS HTML Help
Express+GNU Free Documentation License

; HimemX
General Public License, Artistic license and Public Domain

; other packages
Clarified Artistic License
Crawl General Public License
Nethack General Public License
OpenSource, similar to BSD License
GNU General Public License, Version 2 & 3
GNU Lesser General Public License
GNU Lesser General Public License, Version 2.1
GNU Lesser General Public License, Version 3
Simplified (2-Clause) BSD License and Revised (3-Clause) BSD License
Modified (2-Clause) BSD License
Modified BSD License
Modified MIT License
Fair License
Open Source (copyright reserved, free use program)
Artistic License and GNU General Public License, version 2
BSD-like license, see website
Modified BSD (2-Clause) License
GNU Affero General Public License, version 3 or later
GNU General Public License and Creative Commons
GNU GPLv2 and LGPLv2.1
EUPL v1.1
Express Software Public License, Version 1
