Open license

An open license or free license is a license that allows others to re-use an author's work as they wish. Without such a license, such use is generally prohibited by copyright law or a closed license.

 Licenses 
 By type of license 
 Public domain licenses
 Creative Commons CC0
 WTFPL
 Unlicense
 Public Domain Dedication and License (PDDL)PDDL 1.0 on opendatacommons.org
 Permissive licenses
 BSD License
 MIT License
 Mozilla Public License (file-based permissive copyleft)
 Creative Commons Attribution
 Copyleft & patentleft licenses
 GNU GPL, LGPL (weaker copyleft), AGPL (stronger copyleft)
 Creative Commons Attribution Share-Alike
 Mozilla Public License
 Common Development and Distribution License
 GFDL (without invariant sections)
 Free Art License

 By type of content 
 Open-source software
 The Open Source Definition
 Open Content
 Open Content License
 Open Publication License
 Open-source hardware
 Open database
 Creative Commons v4
 Open Database Licence

 By authors 
 Creative Commons
 Free Software Foundation
 Open Source Initiative
 Microsoft
 Microsoft Public License
 Microsoft Reciprocal License
 Open Content Project
 Open Data Commons from Open Knowledge Foundation
 Public Domain Dedication and License (PDDL)
 Attribution License (ODC-By)
 Open Database License (ODC-ODbL)
European Union
European Union Public Licence

 Related pages 
 Open content
 Openness

References

Category:Licenses