A comprehensive database of industry-standard open source licenses from SPDX and OSI.
| Identifier | Name | OSI Approved | Resources |
|---|---|---|---|
| 0BSD | BSD Zero Clause License | YES | |
| 3D-Slicer-1.0 | 3D Slicer License v1.0 | NO | |
| AAL | Attribution Assurance License | YES | |
| Abstyles | Abstyles License | NO | |
| AdaCore-doc | AdaCore Doc License | NO | |
| Adobe-2006 | Adobe Systems Incorporated Source Code License Agreement | NO | |
| Adobe-Display-PostScript | Adobe Display PostScript License | NO | |
| Adobe-Glyph | Adobe Glyph List License | NO | |
| Adobe-Utopia | Adobe Utopia Font License | NO | |
| ADSL | Amazon Digital Services License | NO | |
| AFL-1.1 | Academic Free License v1.1 | YES | |
| AFL-1.2 | Academic Free License v1.2 | YES | |
| AFL-2.0 | Academic Free License v2.0 | YES | |
| AFL-2.1 | Academic Free License v2.1 | YES | |
| AFL-3.0 | Academic Free License v3.0 | YES | |
| Afmparse | Afmparse License | NO | |
| AGPL-1.0 | Affero General Public License v1.0 | NO | |
| AGPL-1.0-only | Affero General Public License v1.0 only | NO | |
| AGPL-1.0-or-later | Affero General Public License v1.0 or later | NO | |
| AGPL-3.0 | GNU Affero General Public License v3.0 | YES | |
| AGPL-3.0-only | GNU Affero General Public License v3.0 only | YES | |
| AGPL-3.0-or-later | GNU Affero General Public License v3.0 or later | YES | |
| Aladdin | Aladdin Free Public License | NO | |
| AMD-newlib | AMD newlib License | NO | |
| AMDPLPA | AMD's plpa_map.c License | NO | |
| AML | Apple MIT License | NO | |
| AML-glslang | AML glslang variant License | NO | |
| AMPAS | Academy of Motion Picture Arts and Sciences BSD | NO | |
| ANTLR-PD | ANTLR Software Rights Notice | NO | |
| ANTLR-PD-fallback | ANTLR Software Rights Notice with license fallback | NO | |
| any-OSI | Any OSI License | NO | |
| any-OSI-perl-modules | Any OSI License - Perl Modules | NO | |
| Apache-1.0 | Apache License 1.0 | NO | |
| Apache-1.1 | Apache License 1.1 | YES | |
| Apache-2.0 | Apache License 2.0 | YES | |
| APAFML | Adobe Postscript AFM License | NO | |
| APL-1.0 | Adaptive Public License 1.0 | YES | |
| App-s2p | App::s2p License | NO | |
| APSL-1.0 | Apple Public Source License 1.0 | YES | |
| APSL-1.1 | Apple Public Source License 1.1 | YES | |
| APSL-1.2 | Apple Public Source License 1.2 | YES | |
| APSL-2.0 | Apple Public Source License 2.0 | YES | |
| Arphic-1999 | Arphic Public License | NO | |
| Artistic-1.0 | Artistic License 1.0 | YES | |
| Artistic-1.0-cl8 | Artistic License 1.0 w/clause 8 | YES | |
| Artistic-1.0-Perl | Artistic License 1.0 (Perl) | YES | |
| Artistic-2.0 | Artistic License 2.0 | YES | |
| Artistic-dist | Artistic License 1.0 (dist) | NO | |
| Aspell-RU | Aspell Russian License | NO | |
| ASWF-Digital-Assets-1.0 | ASWF Digital Assets License version 1.0 | NO | |
| ASWF-Digital-Assets-1.1 | ASWF Digital Assets License 1.1 | NO | |
| Baekmuk | Baekmuk License | NO | |
| Bahyph | Bahyph License | NO | |
| Barr | Barr License | NO | |
| bcrypt-Solar-Designer | bcrypt Solar Designer License | NO | |
| Beerware | Beerware License | NO | |
| Bitstream-Charter | Bitstream Charter Font License | NO | |
| Bitstream-Vera | Bitstream Vera Font License | NO | |
| BitTorrent-1.0 | BitTorrent Open Source License v1.0 | NO | |
| BitTorrent-1.1 | BitTorrent Open Source License v1.1 | NO | |
| blessing | SQLite Blessing | NO | |
| BlueOak-1.0.0 | Blue Oak Model License 1.0.0 | YES | |
| Boehm-GC | Boehm-Demers-Weiser GC License | NO | |
| Boehm-GC-without-fee | Boehm-Demers-Weiser GC License (without fee) | NO | |
| Borceux | Borceux license | NO | |
| Brian-Gladman-2-Clause | Brian Gladman 2-Clause License | NO | |
| Brian-Gladman-3-Clause | Brian Gladman 3-Clause License | NO | |
| BSD-1-Clause | BSD 1-Clause License | YES | |
| BSD-2-Clause | BSD 2-Clause "Simplified" License | YES | |
| BSD-2-Clause-Darwin | BSD 2-Clause - Ian Darwin variant | NO | |
| BSD-2-Clause-first-lines | BSD 2-Clause - first lines requirement | NO | |
| BSD-2-Clause-FreeBSD | BSD 2-Clause FreeBSD License | NO | |
| BSD-2-Clause-NetBSD | BSD 2-Clause NetBSD License | NO | |
| BSD-2-Clause-Patent | BSD-2-Clause Plus Patent License | YES | |
| BSD-2-Clause-pkgconf-disclaimer | BSD 2-Clause pkgconf disclaimer variant | NO | |
| BSD-2-Clause-Views | BSD 2-Clause with views sentence | NO | |
| BSD-3-Clause | BSD 3-Clause "New" or "Revised" License | YES | |
| BSD-3-Clause-acpica | BSD 3-Clause acpica variant | NO | |
| BSD-3-Clause-Attribution | BSD with attribution | NO | |
| BSD-3-Clause-Clear | BSD 3-Clause Clear License | NO | |
| BSD-3-Clause-flex | BSD 3-Clause Flex variant | NO | |
| BSD-3-Clause-HP | Hewlett-Packard BSD variant license | NO | |
| BSD-3-Clause-LBNL | Lawrence Berkeley National Labs BSD variant license | YES | |
| BSD-3-Clause-Modification | BSD 3-Clause Modification | NO | |
| BSD-3-Clause-No-Military-License | BSD 3-Clause No Military License | NO | |
| BSD-3-Clause-No-Nuclear-License | BSD 3-Clause No Nuclear License | NO | |
| BSD-3-Clause-No-Nuclear-License-2014 | BSD 3-Clause No Nuclear License 2014 | NO | |
| BSD-3-Clause-No-Nuclear-Warranty | BSD 3-Clause No Nuclear Warranty | NO | |
| BSD-3-Clause-Open-MPI | BSD 3-Clause Open MPI variant | NO | |
| BSD-3-Clause-Sun | BSD 3-Clause Sun Microsystems | NO | |
| BSD-4-Clause | BSD 4-Clause "Original" or "Old" License | NO | |
| BSD-4-Clause-Shortened | BSD 4 Clause Shortened | NO | |
| BSD-4-Clause-UC | BSD-4-Clause (University of California-Specific) | NO | |
| BSD-4.3RENO | BSD 4.3 RENO License | NO | |
| BSD-4.3TAHOE | BSD 4.3 TAHOE License | NO | |
| BSD-Advertising-Acknowledgement | BSD Advertising Acknowledgement License | NO | |
| BSD-Attribution-HPND-disclaimer | BSD with Attribution and HPND disclaimer | NO | |
| BSD-Inferno-Nettverk | BSD-Inferno-Nettverk | NO | |
| BSD-Protection | BSD Protection License | NO | |
| BSD-Source-beginning-file | BSD Source Code Attribution - beginning of file variant | NO | |
| BSD-Source-Code | BSD Source Code Attribution | NO | |
| BSD-Systemics | Systemics BSD variant license | NO | |
| BSD-Systemics-W3Works | Systemics W3Works BSD variant license | NO | |
| BSL-1.0 | Boost Software License 1.0 | YES | |
| BUSL-1.1 | Business Source License 1.1 | NO | |
| bzip2-1.0.5 | bzip2 and libbzip2 License v1.0.5 | NO | |
| bzip2-1.0.6 | bzip2 and libbzip2 License v1.0.6 | NO | |
| C-UDA-1.0 | Computational Use of Data Agreement v1.0 | NO | |
| CAL-1.0 | Cryptographic Autonomy License 1.0 | YES | |
| CAL-1.0-Combined-Work-Exception | Cryptographic Autonomy License 1.0 (Combined Work Exception) | YES | |
| Caldera | Caldera License | NO | |
| Caldera-no-preamble | Caldera License (without preamble) | NO | |
| Catharon | Catharon License | NO | |
| CATOSL-1.1 | Computer Associates Trusted Open Source License 1.1 | YES | |
| CC-BY-1.0 | Creative Commons Attribution 1.0 Generic | NO | |
| CC-BY-2.0 | Creative Commons Attribution 2.0 Generic | NO | |
| CC-BY-2.5 | Creative Commons Attribution 2.5 Generic | NO | |
| CC-BY-2.5-AU | Creative Commons Attribution 2.5 Australia | NO | |
| CC-BY-3.0 | Creative Commons Attribution 3.0 Unported | NO | |
| CC-BY-3.0-AT | Creative Commons Attribution 3.0 Austria | NO | |
| CC-BY-3.0-AU | Creative Commons Attribution 3.0 Australia | NO | |
| CC-BY-3.0-DE | Creative Commons Attribution 3.0 Germany | NO | |
| CC-BY-3.0-IGO | Creative Commons Attribution 3.0 IGO | NO | |
| CC-BY-3.0-NL | Creative Commons Attribution 3.0 Netherlands | NO | |
| CC-BY-3.0-US | Creative Commons Attribution 3.0 United States | NO | |
| CC-BY-4.0 | Creative Commons Attribution 4.0 International | NO | |
| CC-BY-NC-1.0 | Creative Commons Attribution Non Commercial 1.0 Generic | NO | |
| CC-BY-NC-2.0 | Creative Commons Attribution Non Commercial 2.0 Generic | NO | |
| CC-BY-NC-2.5 | Creative Commons Attribution Non Commercial 2.5 Generic | NO | |
| CC-BY-NC-3.0 | Creative Commons Attribution Non Commercial 3.0 Unported | NO | |
| CC-BY-NC-3.0-DE | Creative Commons Attribution Non Commercial 3.0 Germany | NO | |
| CC-BY-NC-4.0 | Creative Commons Attribution Non Commercial 4.0 International | NO | |
| CC-BY-NC-ND-1.0 | Creative Commons Attribution Non Commercial No Derivatives 1.0 Generic | NO | |
| CC-BY-NC-ND-2.0 | Creative Commons Attribution Non Commercial No Derivatives 2.0 Generic | NO | |
| CC-BY-NC-ND-2.5 | Creative Commons Attribution Non Commercial No Derivatives 2.5 Generic | NO | |
| CC-BY-NC-ND-3.0 | Creative Commons Attribution Non Commercial No Derivatives 3.0 Unported | NO | |
| CC-BY-NC-ND-3.0-DE | Creative Commons Attribution Non Commercial No Derivatives 3.0 Germany | NO | |
| CC-BY-NC-ND-3.0-IGO | Creative Commons Attribution Non Commercial No Derivatives 3.0 IGO | NO | |
| CC-BY-NC-ND-4.0 | Creative Commons Attribution Non Commercial No Derivatives 4.0 International | NO | |
| CC-BY-NC-SA-1.0 | Creative Commons Attribution Non Commercial Share Alike 1.0 Generic | NO | |
| CC-BY-NC-SA-2.0 | Creative Commons Attribution Non Commercial Share Alike 2.0 Generic | NO | |
| CC-BY-NC-SA-2.0-DE | Creative Commons Attribution Non Commercial Share Alike 2.0 Germany | NO | |
| CC-BY-NC-SA-2.0-FR | Creative Commons Attribution-NonCommercial-ShareAlike 2.0 France | NO | |
| CC-BY-NC-SA-2.0-UK | Creative Commons Attribution Non Commercial Share Alike 2.0 England and Wales | NO | |
| CC-BY-NC-SA-2.5 | Creative Commons Attribution Non Commercial Share Alike 2.5 Generic | NO | |
| CC-BY-NC-SA-3.0 | Creative Commons Attribution Non Commercial Share Alike 3.0 Unported | NO | |
| CC-BY-NC-SA-3.0-DE | Creative Commons Attribution Non Commercial Share Alike 3.0 Germany | NO | |
| CC-BY-NC-SA-3.0-IGO | Creative Commons Attribution Non Commercial Share Alike 3.0 IGO | NO | |
| CC-BY-NC-SA-4.0 | Creative Commons Attribution Non Commercial Share Alike 4.0 International | NO | |
| CC-BY-ND-1.0 | Creative Commons Attribution No Derivatives 1.0 Generic | NO | |
| CC-BY-ND-2.0 | Creative Commons Attribution No Derivatives 2.0 Generic | NO | |
| CC-BY-ND-2.5 | Creative Commons Attribution No Derivatives 2.5 Generic | NO | |
| CC-BY-ND-3.0 | Creative Commons Attribution No Derivatives 3.0 Unported | NO | |
| CC-BY-ND-3.0-DE | Creative Commons Attribution No Derivatives 3.0 Germany | NO | |
| CC-BY-ND-4.0 | Creative Commons Attribution No Derivatives 4.0 International | NO | |
| CC-BY-SA-1.0 | Creative Commons Attribution Share Alike 1.0 Generic | NO | |
| CC-BY-SA-2.0 | Creative Commons Attribution Share Alike 2.0 Generic | NO | |
| CC-BY-SA-2.0-UK | Creative Commons Attribution Share Alike 2.0 England and Wales | NO | |
| CC-BY-SA-2.1-JP | Creative Commons Attribution Share Alike 2.1 Japan | NO | |
| CC-BY-SA-2.5 | Creative Commons Attribution Share Alike 2.5 Generic | NO | |
| CC-BY-SA-3.0 | Creative Commons Attribution Share Alike 3.0 Unported | NO | |
| CC-BY-SA-3.0-AT | Creative Commons Attribution Share Alike 3.0 Austria | NO | |
| CC-BY-SA-3.0-DE | Creative Commons Attribution Share Alike 3.0 Germany | NO | |
| CC-BY-SA-3.0-IGO | Creative Commons Attribution-ShareAlike 3.0 IGO | NO | |
| CC-BY-SA-4.0 | Creative Commons Attribution Share Alike 4.0 International | NO | |
| CC-PDDC | Creative Commons Public Domain Dedication and Certification | NO | |
| CC-PDM-1.0 | Creative Commons Public Domain Mark 1.0 Universal | NO | |
| CC-SA-1.0 | Creative Commons Share Alike 1.0 Generic | NO | |
| CC0-1.0 | Creative Commons Zero v1.0 Universal | NO | |
| CDDL-1.0 | Common Development and Distribution License 1.0 | YES | |
| CDDL-1.1 | Common Development and Distribution License 1.1 | NO | |
| CDL-1.0 | Common Documentation License 1.0 | NO | |
| CDLA-Permissive-1.0 | Community Data License Agreement Permissive 1.0 | NO | |
| CDLA-Permissive-2.0 | Community Data License Agreement Permissive 2.0 | NO | |
| CDLA-Sharing-1.0 | Community Data License Agreement Sharing 1.0 | NO | |
| CECILL-1.0 | CeCILL Free Software License Agreement v1.0 | NO | |
| CECILL-1.1 | CeCILL Free Software License Agreement v1.1 | NO | |
| CECILL-2.0 | CeCILL Free Software License Agreement v2.0 | NO | |
| CECILL-2.1 | CeCILL Free Software License Agreement v2.1 | YES | |
| CECILL-B | CeCILL-B Free Software License Agreement | NO | |
| CECILL-C | CeCILL-C Free Software License Agreement | NO | |
| CERN-OHL-1.1 | CERN Open Hardware Licence v1.1 | NO | |
| CERN-OHL-1.2 | CERN Open Hardware Licence v1.2 | NO | |
| CERN-OHL-P-2.0 | CERN Open Hardware Licence Version 2 - Permissive | YES | |
| CERN-OHL-S-2.0 | CERN Open Hardware Licence Version 2 - Strongly Reciprocal | YES | |
| CERN-OHL-W-2.0 | CERN Open Hardware Licence Version 2 - Weakly Reciprocal | YES | |
| CFITSIO | CFITSIO License | NO | |
| check-cvs | check-cvs License | NO | |
| checkmk | Checkmk License | NO | |
| ClArtistic | Clarified Artistic License | NO | |
| Clips | Clips License | NO | |
| CMU-Mach | CMU Mach License | NO | |
| CMU-Mach-nodoc | CMU Mach - no notices-in-documentation variant | NO | |
| CNRI-Jython | CNRI Jython License | NO | |
| CNRI-Python | CNRI Python License | YES | |
| CNRI-Python-GPL-Compatible | CNRI Python Open Source GPL Compatible License Agreement | NO | |
| COIL-1.0 | Copyfree Open Innovation License | NO | |
| Community-Spec-1.0 | Community Specification License 1.0 | NO | |
| Condor-1.1 | Condor Public License v1.1 | NO | |
| copyleft-next-0.3.0 | copyleft-next 0.3.0 | NO | |
| copyleft-next-0.3.1 | copyleft-next 0.3.1 | NO | |
| Cornell-Lossless-JPEG | Cornell Lossless JPEG License | NO | |
| CPAL-1.0 | Common Public Attribution License 1.0 | YES | |
| CPL-1.0 | Common Public License 1.0 | YES | |
| CPOL-1.02 | Code Project Open License 1.02 | NO | |
| Cronyx | Cronyx License | NO | |
| Crossword | Crossword License | NO | |
| CryptoSwift | CryptoSwift License | NO | |
| CrystalStacker | CrystalStacker License | NO | |
| CUA-OPL-1.0 | CUA Office Public License v1.0 | YES | |
| Cube | Cube License | NO | |
| curl | curl License | NO | |
| cve-tou | Common Vulnerability Enumeration ToU License | NO | |
| D-FSL-1.0 | Deutsche Freie Software Lizenz | NO | |
| DEC-3-Clause | DEC 3-Clause License | NO | |
| diffmark | diffmark license | NO | |
| DL-DE-BY-2.0 | Data licence Germany – attribution – version 2.0 | NO | |
| DL-DE-ZERO-2.0 | Data licence Germany – zero – version 2.0 | NO | |
| DOC | DOC License | NO | |
| DocBook-DTD | DocBook DTD License | NO | |
| DocBook-Schema | DocBook Schema License | NO | |
| DocBook-Stylesheet | DocBook Stylesheet License | NO | |
| DocBook-XML | DocBook XML License | NO | |
| Dotseqn | Dotseqn License | NO | |
| DRL-1.0 | Detection Rule License 1.0 | NO | |
| DRL-1.1 | Detection Rule License 1.1 | NO | |
| DSDP | DSDP License | NO | |
| dtoa | David M. Gay dtoa License | NO | |
| dvipdfm | dvipdfm License | NO | |
| ECL-1.0 | Educational Community License v1.0 | YES | |
| ECL-2.0 | Educational Community License v2.0 | YES | |
| eCos-2.0 | eCos license version 2.0 | NO | |
| EFL-1.0 | Eiffel Forum License v1.0 | YES | |
| EFL-2.0 | Eiffel Forum License v2.0 | YES | |
| eGenix | eGenix.com Public License 1.1.0 | NO | |
| Elastic-2.0 | Elastic License 2.0 | NO | |
| Entessa | Entessa Public License v1.0 | YES | |
| EPICS | EPICS Open License | NO | |
| EPL-1.0 | Eclipse Public License 1.0 | YES | |
| EPL-2.0 | Eclipse Public License 2.0 | YES | |
| ErlPL-1.1 | Erlang Public License v1.1 | NO | |
| etalab-2.0 | Etalab Open License 2.0 | NO | |
| EUDatagrid | EU DataGrid Software License | YES | |
| EUPL-1.0 | European Union Public License 1.0 | NO | |
| EUPL-1.1 | European Union Public License 1.1 | YES | |
| EUPL-1.2 | European Union Public License 1.2 | YES | |
| Eurosym | Eurosym License | NO | |
| Fair | Fair License | YES | |
| FBM | Fuzzy Bitmap License | NO | |
| FDK-AAC | Fraunhofer FDK AAC Codec Library | NO | |
| Ferguson-Twofish | Ferguson Twofish License | NO | |
| Frameworx-1.0 | Frameworx Open License 1.0 | YES | |
| FreeBSD-DOC | FreeBSD Documentation License | NO | |
| FreeImage | FreeImage Public License v1.0 | NO | |
| FSFAP | FSF All Permissive License | NO | |
| FSFAP-no-warranty-disclaimer | FSF All Permissive License (without Warranty) | NO | |
| FSFUL | FSF Unlimited License | NO | |
| FSFULLR | FSF Unlimited License (with License Retention) | NO | |
| FSFULLRSD | FSF Unlimited License (with License Retention and Short Disclaimer) | NO | |
| FSFULLRWD | FSF Unlimited License (With License Retention and Warranty Disclaimer) | NO | |
| FSL-1.1-ALv2 | Functional Source License, Version 1.1, ALv2 Future License | NO | |
| FSL-1.1-MIT | Functional Source License, Version 1.1, MIT Future License | NO | |
| FTL | Freetype Project License | NO | |
| Furuseth | Furuseth License | NO | |
| fwlw | fwlw License | NO | |
| Game-Programming-Gems | Game Programming Gems License | NO | |
| GCR-docs | Gnome GCR Documentation License | NO | |
| GD | GD License | NO | |
| generic-xts | Generic XTS License | NO | |
| GFDL-1.1 | GNU Free Documentation License v1.1 | NO | |
| GFDL-1.1-invariants-only | GNU Free Documentation License v1.1 only - invariants | NO | |
| GFDL-1.1-invariants-or-later | GNU Free Documentation License v1.1 or later - invariants | NO | |
| GFDL-1.1-no-invariants-only | GNU Free Documentation License v1.1 only - no invariants | NO | |
| GFDL-1.1-no-invariants-or-later | GNU Free Documentation License v1.1 or later - no invariants | NO | |
| GFDL-1.1-only | GNU Free Documentation License v1.1 only | NO | |
| GFDL-1.1-or-later | GNU Free Documentation License v1.1 or later | NO | |
| GFDL-1.2 | GNU Free Documentation License v1.2 | NO | |
| GFDL-1.2-invariants-only | GNU Free Documentation License v1.2 only - invariants | NO | |
| GFDL-1.2-invariants-or-later | GNU Free Documentation License v1.2 or later - invariants | NO | |
| GFDL-1.2-no-invariants-only | GNU Free Documentation License v1.2 only - no invariants | NO | |
| GFDL-1.2-no-invariants-or-later | GNU Free Documentation License v1.2 or later - no invariants | NO | |
| GFDL-1.2-only | GNU Free Documentation License v1.2 only | NO | |
| GFDL-1.2-or-later | GNU Free Documentation License v1.2 or later | NO | |
| GFDL-1.3 | GNU Free Documentation License v1.3 | NO | |
| GFDL-1.3-invariants-only | GNU Free Documentation License v1.3 only - invariants | NO | |
| GFDL-1.3-invariants-or-later | GNU Free Documentation License v1.3 or later - invariants | NO | |
| GFDL-1.3-no-invariants-only | GNU Free Documentation License v1.3 only - no invariants | NO | |
| GFDL-1.3-no-invariants-or-later | GNU Free Documentation License v1.3 or later - no invariants | NO | |
| GFDL-1.3-only | GNU Free Documentation License v1.3 only | NO | |
| GFDL-1.3-or-later | GNU Free Documentation License v1.3 or later | NO | |
| Giftware | Giftware License | NO | |
| GL2PS | GL2PS License | NO | |
| Glide | 3dfx Glide License | NO | |
| Glulxe | Glulxe License | NO | |
| GLWTPL | Good Luck With That Public License | NO | |
| gnuplot | gnuplot License | NO | |
| GPL-1.0 | GNU General Public License v1.0 only | NO | |
| GPL-1.0+ | GNU General Public License v1.0 or later | NO | |
| GPL-1.0-only | GNU General Public License v1.0 only | NO | |
| GPL-1.0-or-later | GNU General Public License v1.0 or later | NO | |
| GPL-2.0 | GNU General Public License v2.0 only | YES | |
| GPL-2.0+ | GNU General Public License v2.0 or later | YES | |
| GPL-2.0-only | GNU General Public License v2.0 only | YES | |
| GPL-2.0-or-later | GNU General Public License v2.0 or later | YES | |
| GPL-2.0-with-autoconf-exception | GNU General Public License v2.0 w/Autoconf exception | NO | |
| GPL-2.0-with-bison-exception | GNU General Public License v2.0 w/Bison exception | NO | |
| GPL-2.0-with-classpath-exception | GNU General Public License v2.0 w/Classpath exception | NO | |
| GPL-2.0-with-font-exception | GNU General Public License v2.0 w/Font exception | NO | |
| GPL-2.0-with-GCC-exception | GNU General Public License v2.0 w/GCC Runtime Library exception | NO | |
| GPL-3.0 | GNU General Public License v3.0 only | YES | |
| GPL-3.0+ | GNU General Public License v3.0 or later | YES | |
| GPL-3.0-only | GNU General Public License v3.0 only | YES | |
| GPL-3.0-or-later | GNU General Public License v3.0 or later | YES | |
| GPL-3.0-with-autoconf-exception | GNU General Public License v3.0 w/Autoconf exception | NO | |
| GPL-3.0-with-GCC-exception | GNU General Public License v3.0 w/GCC Runtime Library exception | YES | |
| Graphics-Gems | Graphics Gems License | NO | |
| gSOAP-1.3b | gSOAP Public License v1.3b | NO | |
| gtkbook | gtkbook License | NO | |
| Gutmann | Gutmann License | NO | |
| HaskellReport | Haskell Language Report License | NO | |
| HDF5 | HDF5 License | NO | |
| hdparm | hdparm License | NO | |
| HIDAPI | HIDAPI License | NO | |
| Hippocratic-2.1 | Hippocratic License 2.1 | NO | |
| HP-1986 | Hewlett-Packard 1986 License | NO | |
| HP-1989 | Hewlett-Packard 1989 License | NO | |
| HPND | Historical Permission Notice and Disclaimer | YES | |
| HPND-DEC | Historical Permission Notice and Disclaimer - DEC variant | NO | |
| HPND-doc | Historical Permission Notice and Disclaimer - documentation variant | NO | |
| HPND-doc-sell | Historical Permission Notice and Disclaimer - documentation sell variant | NO | |
| HPND-export-US | HPND with US Government export control warning | NO | |
| HPND-export-US-acknowledgement | HPND with US Government export control warning and acknowledgment | NO | |
| HPND-export-US-modify | HPND with US Government export control warning and modification rqmt | NO | |
| HPND-export2-US | HPND with US Government export control and 2 disclaimers | NO | |
| HPND-Fenneberg-Livingston | Historical Permission Notice and Disclaimer - Fenneberg-Livingston variant | NO | |
| HPND-INRIA-IMAG | Historical Permission Notice and Disclaimer - INRIA-IMAG variant | NO | |
| HPND-Intel | Historical Permission Notice and Disclaimer - Intel variant | NO | |
| HPND-Kevlin-Henney | Historical Permission Notice and Disclaimer - Kevlin Henney variant | NO | |
| HPND-Markus-Kuhn | Historical Permission Notice and Disclaimer - Markus Kuhn variant | NO | |
| HPND-merchantability-variant | Historical Permission Notice and Disclaimer - merchantability variant | NO | |
| HPND-MIT-disclaimer | Historical Permission Notice and Disclaimer with MIT disclaimer | NO | |
| HPND-Netrek | Historical Permission Notice and Disclaimer - Netrek variant | NO | |
| HPND-Pbmplus | Historical Permission Notice and Disclaimer - Pbmplus variant | NO | |
| HPND-sell-MIT-disclaimer-xserver | Historical Permission Notice and Disclaimer - sell xserver variant with MIT disclaimer | NO | |
| HPND-sell-regexpr | Historical Permission Notice and Disclaimer - sell regexpr variant | NO | |
| HPND-sell-variant | Historical Permission Notice and Disclaimer - sell variant | NO | |
| HPND-sell-variant-MIT-disclaimer | HPND sell variant with MIT disclaimer | NO | |
| HPND-sell-variant-MIT-disclaimer-rev | HPND sell variant with MIT disclaimer - reverse | NO | |
| HPND-UC | Historical Permission Notice and Disclaimer - University of California variant | NO | |
| HPND-UC-export-US | Historical Permission Notice and Disclaimer - University of California, US export warning | NO | |
| HTMLTIDY | HTML Tidy License | NO | |
| IBM-pibs | IBM PowerPC Initialization and Boot Software | NO | |
| ICU | ICU License | YES | |
| IEC-Code-Components-EULA | IEC Code Components End-user licence agreement | NO | |
| IJG | Independent JPEG Group License | NO | |
| IJG-short | Independent JPEG Group License - short | NO | |
| ImageMagick | ImageMagick License | NO | |
| iMatix | iMatix Standard Function Library Agreement | NO | |
| Imlib2 | Imlib2 License | NO | |
| Info-ZIP | Info-ZIP License | NO | |
| Inner-Net-2.0 | Inner Net License v2.0 | NO | |
| InnoSetup | Inno Setup License | NO | |
| Intel | Intel Open Source License | YES | |
| Intel-ACPI | Intel ACPI Software License Agreement | NO | |
| Interbase-1.0 | Interbase Public License v1.0 | NO | |
| IPA | IPA Font License | YES | |
| IPL-1.0 | IBM Public License v1.0 | YES | |
| ISC | ISC License | YES | |
| ISC-Veillard | ISC Veillard variant | NO | |
| Jam | Jam License | YES | |
| JasPer-2.0 | JasPer License | NO | |
| jove | Jove License | NO | |
| JPL-image | JPL Image Use Policy | NO | |
| JPNIC | Japan Network Information Center License | NO | |
| JSON | JSON License | NO | |
| Kastrup | Kastrup License | NO | |
| Kazlib | Kazlib License | NO | |
| Knuth-CTAN | Knuth CTAN License | NO | |
| LAL-1.2 | Licence Art Libre 1.2 | NO | |
| LAL-1.3 | Licence Art Libre 1.3 | NO | |
| Latex2e | Latex2e License | NO | |
| Latex2e-translated-notice | Latex2e with translated notice permission | NO | |
| Leptonica | Leptonica License | NO | |
| LGPL-2.0 | GNU Library General Public License v2 only | YES | |
| LGPL-2.0+ | GNU Library General Public License v2 or later | YES | |
| LGPL-2.0-only | GNU Library General Public License v2 only | YES | |
| LGPL-2.0-or-later | GNU Library General Public License v2 or later | YES | |
| LGPL-2.1 | GNU Lesser General Public License v2.1 only | YES | |
| LGPL-2.1+ | GNU Lesser General Public License v2.1 or later | YES | |
| LGPL-2.1-only | GNU Lesser General Public License v2.1 only | YES | |
| LGPL-2.1-or-later | GNU Lesser General Public License v2.1 or later | YES | |
| LGPL-3.0 | GNU Lesser General Public License v3.0 only | YES | |
| LGPL-3.0+ | GNU Lesser General Public License v3.0 or later | YES | |
| LGPL-3.0-only | GNU Lesser General Public License v3.0 only | YES | |
| LGPL-3.0-or-later | GNU Lesser General Public License v3.0 or later | YES | |
| LGPLLR | Lesser General Public License For Linguistic Resources | NO | |
| Libpng | libpng License | NO | |
| libpng-1.6.35 | PNG Reference Library License v1 (for libpng 0.5 through 1.6.35) | NO | |
| libpng-2.0 | PNG Reference Library version 2 | NO | |
| libselinux-1.0 | libselinux public domain notice | NO | |
| libtiff | libtiff License | NO | |
| libutil-David-Nugent | libutil David Nugent License | NO | |
| LiLiQ-P-1.1 | Licence Libre du Québec – Permissive version 1.1 | YES | |
| LiLiQ-R-1.1 | Licence Libre du Québec – Réciprocité version 1.1 | YES | |
| LiLiQ-Rplus-1.1 | Licence Libre du Québec – Réciprocité forte version 1.1 | YES | |
| Linux-man-pages-1-para | Linux man-pages - 1 paragraph | NO | |
| Linux-man-pages-copyleft | Linux man-pages Copyleft | NO | |
| Linux-man-pages-copyleft-2-para | Linux man-pages Copyleft - 2 paragraphs | NO | |
| Linux-man-pages-copyleft-var | Linux man-pages Copyleft Variant | NO | |
| Linux-OpenIB | Linux Kernel Variant of OpenIB.org license | NO | |
| LOOP | Common Lisp LOOP License | NO | |
| LPD-document | LPD Documentation License | NO | |
| LPL-1.0 | Lucent Public License Version 1.0 | YES | |
| LPL-1.02 | Lucent Public License v1.02 | YES | |
| LPPL-1.0 | LaTeX Project Public License v1.0 | NO | |
| LPPL-1.1 | LaTeX Project Public License v1.1 | NO | |
| LPPL-1.2 | LaTeX Project Public License v1.2 | NO | |
| LPPL-1.3a | LaTeX Project Public License v1.3a | NO | |
| LPPL-1.3c | LaTeX Project Public License v1.3c | YES | |
| lsof | lsof License | NO | |
| Lucida-Bitmap-Fonts | Lucida Bitmap Fonts License | NO | |
| LZMA-SDK-9.11-to-9.20 | LZMA SDK License (versions 9.11 to 9.20) | NO | |
| LZMA-SDK-9.22 | LZMA SDK License (versions 9.22 and beyond) | NO | |
| Mackerras-3-Clause | Mackerras 3-Clause License | NO | |
| Mackerras-3-Clause-acknowledgment | Mackerras 3-Clause - acknowledgment variant | NO | |
| magaz | magaz License | NO | |
| mailprio | mailprio License | NO | |
| MakeIndex | MakeIndex License | NO | |
| man2html | man2html License | NO | |
| Martin-Birgmeier | Martin Birgmeier License | NO | |
| McPhee-slideshow | McPhee Slideshow License | NO | |
| metamail | metamail License | NO | |
| Minpack | Minpack License | NO | |
| MIPS | MIPS License | NO | |
| MirOS | The MirOS Licence | YES | |
| MIT | MIT License | YES | |
| MIT-0 | MIT No Attribution | YES | |
| MIT-advertising | Enlightenment License (e16) | NO | |
| MIT-Click | MIT Click License | NO | |
| MIT-CMU | CMU License | NO | |
| MIT-enna | enna License | NO | |
| MIT-feh | feh License | NO | |
| MIT-Festival | MIT Festival Variant | NO | |
| MIT-Khronos-old | MIT Khronos - old variant | NO | |
| MIT-Modern-Variant | MIT License Modern Variant | YES | |
| MIT-open-group | MIT Open Group variant | NO | |
| MIT-testregex | MIT testregex Variant | NO | |
| MIT-Wu | MIT Tom Wu Variant | NO | |
| MITNFA | MIT +no-false-attribs license | NO | |
| MMIXware | MMIXware License | NO | |
| Motosoto | Motosoto License | YES | |
| MPEG-SSG | MPEG Software Simulation | NO | |
| mpi-permissive | mpi Permissive License | NO | |
| mpich2 | mpich2 License | NO | |
| MPL-1.0 | Mozilla Public License 1.0 | YES | |
| MPL-1.1 | Mozilla Public License 1.1 | YES | |
| MPL-2.0 | Mozilla Public License 2.0 | YES | |
| MPL-2.0-no-copyleft-exception | Mozilla Public License 2.0 (no copyleft exception) | YES | |
| mplus | mplus Font License | NO | |
| MS-LPL | Microsoft Limited Public License | NO | |
| MS-PL | Microsoft Public License | YES | |
| MS-RL | Microsoft Reciprocal License | YES | |
| MTLL | Matrix Template Library License | NO | |
| MulanPSL-1.0 | Mulan Permissive Software License, Version 1 | NO | |
| MulanPSL-2.0 | Mulan Permissive Software License, Version 2 | YES | |
| Multics | Multics License | YES | |
| Mup | Mup License | NO | |
| NAIST-2003 | Nara Institute of Science and Technology License (2003) | NO | |
| NASA-1.3 | NASA Open Source Agreement 1.3 | YES | |
| Naumen | Naumen Public License | YES | |
| NBPL-1.0 | Net Boolean Public License v1 | NO | |
| NCBI-PD | NCBI Public Domain Notice | NO | |
| NCGL-UK-2.0 | Non-Commercial Government Licence | NO | |
| NCL | NCL Source Code License | NO | |
| NCSA | University of Illinois/NCSA Open Source License | YES | |
| Net-SNMP | Net-SNMP License | NO | |
| NetCDF | NetCDF license | NO | |
| Newsletr | Newsletr License | NO | |
| NGPL | Nethack General Public License | YES | |
| ngrep | ngrep License | NO | |
| NICTA-1.0 | NICTA Public Software License, Version 1.0 | NO | |
| NIST-PD | NIST Public Domain Notice | NO | |
| NIST-PD-fallback | NIST Public Domain Notice with license fallback | NO | |
| NIST-Software | NIST Software License | NO | |
| NLOD-1.0 | Norwegian Licence for Open Government Data (NLOD) 1.0 | NO | |
| NLOD-2.0 | Norwegian Licence for Open Government Data (NLOD) 2.0 | NO | |
| NLPL | No Limit Public License | NO | |
| Nokia | Nokia Open Source License | YES | |
| NOSL | Netizen Open Source License | NO | |
| Noweb | Noweb License | NO | |
| NPL-1.0 | Netscape Public License v1.0 | NO | |
| NPL-1.1 | Netscape Public License v1.1 | NO | |
| NPOSL-3.0 | Non-Profit Open Software License 3.0 | YES | |
| NRL | NRL License | NO | |
| NTIA-PD | NTIA Public Domain Notice | NO | |
| NTP | NTP License | YES | |
| NTP-0 | NTP No Attribution | NO | |
| Nunit | Nunit License | NO | |
| O-UDA-1.0 | Open Use of Data Agreement v1.0 | NO | |
| OAR | OAR License | NO | |
| OCCT-PL | Open CASCADE Technology Public License | NO | |
| OCLC-2.0 | OCLC Research Public License 2.0 | YES | |
| ODbL-1.0 | Open Data Commons Open Database License v1.0 | NO | |
| ODC-By-1.0 | Open Data Commons Attribution License v1.0 | NO | |
| OFFIS | OFFIS License | NO | |
| OFL-1.0 | SIL Open Font License 1.0 | NO | |
| OFL-1.0-no-RFN | SIL Open Font License 1.0 with no Reserved Font Name | NO | |
| OFL-1.0-RFN | SIL Open Font License 1.0 with Reserved Font Name | NO | |
| OFL-1.1 | SIL Open Font License 1.1 | YES | |
| OFL-1.1-no-RFN | SIL Open Font License 1.1 with no Reserved Font Name | YES | |
| OFL-1.1-RFN | SIL Open Font License 1.1 with Reserved Font Name | YES | |
| OGC-1.0 | OGC Software License, Version 1.0 | NO | |
| OGDL-Taiwan-1.0 | Taiwan Open Government Data License, version 1.0 | NO | |
| OGL-Canada-2.0 | Open Government Licence - Canada | NO | |
| OGL-UK-1.0 | Open Government Licence v1.0 | NO | |
| OGL-UK-2.0 | Open Government Licence v2.0 | NO | |
| OGL-UK-3.0 | Open Government Licence v3.0 | NO | |
| OGTSL | Open Group Test Suite License | YES | |
| OLDAP-1.1 | Open LDAP Public License v1.1 | NO | |
| OLDAP-1.2 | Open LDAP Public License v1.2 | NO | |
| OLDAP-1.3 | Open LDAP Public License v1.3 | NO | |
| OLDAP-1.4 | Open LDAP Public License v1.4 | NO | |
| OLDAP-2.0 | Open LDAP Public License v2.0 (or possibly 2.0A and 2.0B) | NO | |
| OLDAP-2.0.1 | Open LDAP Public License v2.0.1 | NO | |
| OLDAP-2.1 | Open LDAP Public License v2.1 | NO | |
| OLDAP-2.2 | Open LDAP Public License v2.2 | NO | |
| OLDAP-2.2.1 | Open LDAP Public License v2.2.1 | NO | |
| OLDAP-2.2.2 | Open LDAP Public License 2.2.2 | NO | |
| OLDAP-2.3 | Open LDAP Public License v2.3 | NO | |
| OLDAP-2.4 | Open LDAP Public License v2.4 | NO | |
| OLDAP-2.5 | Open LDAP Public License v2.5 | NO | |
| OLDAP-2.6 | Open LDAP Public License v2.6 | NO | |
| OLDAP-2.7 | Open LDAP Public License v2.7 | NO | |
| OLDAP-2.8 | Open LDAP Public License v2.8 | YES | |
| OLFL-1.3 | Open Logistics Foundation License Version 1.3 | YES | |
| OML | Open Market License | NO | |
| OpenPBS-2.3 | OpenPBS v2.3 Software License | NO | |
| OpenSSL | OpenSSL License | NO | |
| OpenSSL-standalone | OpenSSL License - standalone | NO | |
| OpenVision | OpenVision License | NO | |
| OPL-1.0 | Open Public License v1.0 | NO | |
| OPL-UK-3.0 | United Kingdom Open Parliament Licence v3.0 | NO | |
| OPUBL-1.0 | Open Publication License v1.0 | NO | |
| OSET-PL-2.1 | OSET Public License version 2.1 | YES | |
| OSL-1.0 | Open Software License 1.0 | YES | |
| OSL-1.1 | Open Software License 1.1 | NO | |
| OSL-2.0 | Open Software License 2.0 | YES | |
| OSL-2.1 | Open Software License 2.1 | YES | |
| OSL-3.0 | Open Software License 3.0 | YES | |
| PADL | PADL License | NO | |
| Parity-6.0.0 | The Parity Public License 6.0.0 | NO | |
| Parity-7.0.0 | The Parity Public License 7.0.0 | NO | |
| PDDL-1.0 | Open Data Commons Public Domain Dedication & License 1.0 | NO | |
| PHP-3.0 | PHP License v3.0 | YES | |
| PHP-3.01 | PHP License v3.01 | YES | |
| Pixar | Pixar License | NO | |
| pkgconf | pkgconf License | NO | |
| Plexus | Plexus Classworlds License | NO | |
| pnmstitch | pnmstitch License | NO | |
| PolyForm-Noncommercial-1.0.0 | PolyForm Noncommercial License 1.0.0 | NO | |
| PolyForm-Small-Business-1.0.0 | PolyForm Small Business License 1.0.0 | NO | |
| PostgreSQL | PostgreSQL License | YES | |
| PPL | Peer Production License | NO | |
| PSF-2.0 | Python Software Foundation License 2.0 | NO | |
| psfrag | psfrag License | NO | |
| psutils | psutils License | NO | |
| Python-2.0 | Python License 2.0 | YES | |
| Python-2.0.1 | Python License 2.0.1 | NO | |
| python-ldap | Python ldap License | NO | |
| Qhull | Qhull License | NO | |
| QPL-1.0 | Q Public License 1.0 | YES | |
| QPL-1.0-INRIA-2004 | Q Public License 1.0 - INRIA 2004 variant | NO | |
| radvd | radvd License | NO | |
| Rdisc | Rdisc License | NO | |
| RHeCos-1.1 | Red Hat eCos Public License v1.1 | NO | |
| RPL-1.1 | Reciprocal Public License 1.1 | YES | |
| RPL-1.5 | Reciprocal Public License 1.5 | YES | |
| RPSL-1.0 | RealNetworks Public Source License v1.0 | YES | |
| RSA-MD | RSA Message-Digest License | NO | |
| RSCPL | Ricoh Source Code Public License | YES | |
| Ruby | Ruby License | NO | |
| Ruby-pty | Ruby pty extension license | NO | |
| SAX-PD | Sax Public Domain Notice | NO | |
| SAX-PD-2.0 | Sax Public Domain Notice 2.0 | NO | |
| Saxpath | Saxpath License | NO | |
| SCEA | SCEA Shared Source License | NO | |
| SchemeReport | Scheme Language Report License | NO | |
| Sendmail | Sendmail License | NO | |
| Sendmail-8.23 | Sendmail License 8.23 | NO | |
| Sendmail-Open-Source-1.1 | Sendmail Open Source License v1.1 | NO | |
| SGI-B-1.0 | SGI Free Software License B v1.0 | NO | |
| SGI-B-1.1 | SGI Free Software License B v1.1 | NO | |
| SGI-B-2.0 | SGI Free Software License B v2.0 | NO | |
| SGI-OpenGL | SGI OpenGL License | NO | |
| SGP4 | SGP4 Permission Notice | NO | |
| SHL-0.5 | Solderpad Hardware License v0.5 | NO | |
| SHL-0.51 | Solderpad Hardware License, Version 0.51 | NO | |
| SimPL-2.0 | Simple Public License 2.0 | YES | |
| SISSL | Sun Industry Standards Source License v1.1 | YES | |
| SISSL-1.2 | Sun Industry Standards Source License v1.2 | NO | |
| SL | SL License | NO | |
| Sleepycat | Sleepycat License | YES | |
| SMAIL-GPL | SMAIL General Public License | NO | |
| SMLNJ | Standard ML of New Jersey License | NO | |
| SMPPL | Secure Messaging Protocol Public License | NO | |
| SNIA | SNIA Public License 1.1 | NO | |
| snprintf | snprintf License | NO | |
| SOFA | SOFA Software License | NO | |
| softSurfer | softSurfer License | NO | |
| Soundex | Soundex License | NO | |
| Spencer-86 | Spencer License 86 | NO | |
| Spencer-94 | Spencer License 94 | NO | |
| Spencer-99 | Spencer License 99 | NO | |
| SPL-1.0 | Sun Public License v1.0 | YES | |
| ssh-keyscan | ssh-keyscan License | NO | |
| SSH-OpenSSH | SSH OpenSSH license | NO | |
| SSH-short | SSH short notice | NO | |
| SSLeay-standalone | SSLeay License - standalone | NO | |
| SSPL-1.0 | Server Side Public License, v 1 | NO | |
| StandardML-NJ | Standard ML of New Jersey License | NO | |
| SugarCRM-1.1.3 | SugarCRM Public License v1.1.3 | NO | |
| SUL-1.0 | Sustainable Use License v1.0 | NO | |
| Sun-PPP | Sun PPP License | NO | |
| Sun-PPP-2000 | Sun PPP License (2000) | NO | |
| SunPro | SunPro License | NO | |
| SWL | Scheme Widget Library (SWL) Software License Agreement | NO | |
| swrule | swrule License | NO | |
| Symlinks | Symlinks License | NO | |
| TAPR-OHL-1.0 | TAPR Open Hardware License v1.0 | NO | |
| TCL | TCL/TK License | NO | |
| TCP-wrappers | TCP Wrappers License | NO | |
| TermReadKey | TermReadKey License | NO | |
| TGPPL-1.0 | Transitive Grace Period Public Licence 1.0 | NO | |
| ThirdEye | ThirdEye License | NO | |
| threeparttable | threeparttable License | NO | |
| TMate | TMate Open Source License | NO | |
| TORQUE-1.1 | TORQUE v2.5+ Software License v1.1 | NO | |
| TOSL | Trusster Open Source License | NO | |
| TPDL | Time::ParseDate License | NO | |
| TPL-1.0 | THOR Public License 1.0 | NO | |
| TrustedQSL | TrustedQSL License | NO | |
| TTWL | Text-Tabs+Wrap License | NO | |
| TTYP0 | TTYP0 License | NO | |
| TU-Berlin-1.0 | Technische Universitaet Berlin License 1.0 | NO | |
| TU-Berlin-2.0 | Technische Universitaet Berlin License 2.0 | NO | |
| Ubuntu-font-1.0 | Ubuntu Font Licence v1.0 | NO | |
| UCAR | UCAR License | NO | |
| UCL-1.0 | Upstream Compatibility License v1.0 | YES | |
| ulem | ulem License | NO | |
| UMich-Merit | Michigan/Merit Networks License | NO | |
| Unicode-3.0 | Unicode License v3 | YES | |
| Unicode-DFS-2015 | Unicode License Agreement - Data Files and Software (2015) | NO | |
| Unicode-DFS-2016 | Unicode License Agreement - Data Files and Software (2016) | YES | |
| Unicode-TOU | Unicode Terms of Use | NO | |
| UnixCrypt | UnixCrypt License | NO | |
| Unlicense | The Unlicense | YES | |
| Unlicense-libtelnet | Unlicense - libtelnet variant | NO | |
| Unlicense-libwhirlpool | Unlicense - libwhirlpool variant | NO | |
| UPL-1.0 | Universal Permissive License v1.0 | YES | |
| URT-RLE | Utah Raster Toolkit Run Length Encoded License | NO | |
| Vim | Vim License | NO | |
| VOSTROM | VOSTROM Public License for Open Source | NO | |
| VSL-1.0 | Vovida Software License v1.0 | YES | |
| W3C | W3C Software Notice and License (2002-12-31) | YES | |
| W3C-19980720 | W3C Software Notice and License (1998-07-20) | NO | |
| W3C-20150513 | W3C Software Notice and Document License (2015-05-13) | YES | |
| w3m | w3m License | NO | |
| Watcom-1.0 | Sybase Open Watcom Public License 1.0 | YES | |
| Widget-Workshop | Widget Workshop License | NO | |
| Wsuipa | Wsuipa License | NO | |
| WTFPL | Do What The F*ck You Want To Public License | NO | |
| wwl | WWL License | NO | |
| wxWindows | wxWindows Library License | YES | |
| X11 | X11 License | NO | |
| X11-distribute-modifications-variant | X11 License Distribution Modification Variant | NO | |
| X11-swapped | X11 swapped final paragraphs | NO | |
| Xdebug-1.03 | Xdebug License v 1.03 | NO | |
| Xerox | Xerox License | NO | |
| Xfig | Xfig License | NO | |
| XFree86-1.1 | XFree86 License 1.1 | NO | |
| xinetd | xinetd License | NO | |
| xkeyboard-config-Zinoviev | xkeyboard-config Zinoviev License | NO | |
| xlock | xlock License | NO | |
| Xnet | X.Net License | YES | |
| xpp | XPP License | NO | |
| XSkat | XSkat License | NO | |
| xzoom | xzoom License | NO | |
| YPL-1.0 | Yahoo! Public License v1.0 | NO | |
| YPL-1.1 | Yahoo! Public License v1.1 | NO | |
| Zed | Zed License | NO | |
| Zeeff | Zeeff License | NO | |
| Zend-2.0 | Zend License v2.0 | NO | |
| Zimbra-1.3 | Zimbra Public License v1.3 | NO | |
| Zimbra-1.4 | Zimbra Public License v1.4 | NO | |
| Zlib | zlib License | YES | |
| zlib-acknowledgement | zlib/libpng License with Acknowledgement | NO | |
| ZPL-1.1 | Zope Public License 1.1 | NO | |
| ZPL-2.0 | Zope Public License 2.0 | YES | |
| ZPL-2.1 | Zope Public License 2.1 | YES |