Allowed license values
Taken from https://spdx.org/licenses/ Last updated: 09.03.2025 (DD.MM.YYYY)
"0BSD"
| "3D-Slicer-1.0"
| "AAL"
| "Abstyles"
| "AdaCore-doc"
| "Adobe-2006"
| "Adobe-Display-PostScript"
| "Adobe-Glyph"
| "Adobe-Utopia"
| "ADSL"
| "AFL-1.1"
| "AFL-1.2"
| "AFL-2.0"
| "AFL-2.1"
| "AFL-3.0"
| "Afmparse"
| "AGPL-1.0-only"
| "AGPL-1.0-or-later"
| "AGPL-3.0-only"
| "AGPL-3.0-or-later"
| "Aladdin"
| "AMD-newlib"
| "AMDPLPA"
| "AML"
| "AML-glslang"
| "AMPAS"
| "ANTLR-PD"
| "ANTLR-PD-fallback"
| "any-OSI"
| "any-OSI-perl-modules"
| "Apache-1.0"
| "Apache-1.1"
| "Apache-2.0"
| "APAFML"
| "APL-1.0"
| "App-s2p"
| "APSL-1.0"
| "APSL-1.1"
| "APSL-1.2"
| "APSL-2.0"
| "Arphic-1999"
| "Artistic-1.0"
| "Artistic-1.0-cl8"
| "Artistic-1.0-Perl"
| "Artistic-2.0"
| "ASWF-Digital-Assets-1.0"
| "ASWF-Digital-Assets-1.1"
| "Baekmuk"
| "Bahyph"
| "Barr"
| "bcrypt-Solar-Designer"
| "Beerware"
| "Bitstream-Charter"
| "Bitstream-Vera"
| "BitTorrent-1.0"
| "BitTorrent-1.1"
| "blessing"
| "BlueOak-1.0.0"
| "Boehm-GC"
| "Boehm-GC-without-fee"
| "Borceux"
| "Brian-Gladman-2-Clause"
| "Brian-Gladman-3-Clause"
| "BSD-1-Clause"
| "BSD-2-Clause"
| "BSD-2-Clause-Darwin"
| "BSD-2-Clause-first-lines"
| "BSD-2-Clause-Patent"
| "BSD-2-Clause-Views"
| "BSD-3-Clause"
| "BSD-3-Clause-acpica"
| "BSD-3-Clause-Attribution"
| "BSD-3-Clause-Clear"
| "BSD-3-Clause-flex"
| "BSD-3-Clause-HP"
| "BSD-3-Clause-LBNL"
| "BSD-3-Clause-Modification"
| "BSD-3-Clause-No-Military-License"
| "BSD-3-Clause-No-Nuclear-License"
| "BSD-3-Clause-No-Nuclear-License-2014"
| "BSD-3-Clause-No-Nuclear-Warranty"
| "BSD-3-Clause-Open-MPI"
| "BSD-3-Clause-Sun"
| "BSD-4-Clause"
| "BSD-4-Clause-Shortened"
| "BSD-4-Clause-UC"
| "BSD-4.3RENO"
| "BSD-4.3TAHOE"
| "BSD-Advertising-Acknowledgement"
| "BSD-Attribution-HPND-disclaimer"
| "BSD-Inferno-Nettverk"
| "BSD-Protection"
| "BSD-Source-beginning-file"
| "BSD-Source-Code"
| "BSD-Systemics"
| "BSD-Systemics-W3Works"
| "BSL-1.0"
| "BUSL-1.1"
| "bzip2-1.0.6"
| "C-UDA-1.0"
| "CAL-1.0"
| "CAL-1.0-Combined-Work-Exception"
| "Caldera"
| "Caldera-no-preamble"
| "Catharon"
| "CATOSL-1.1"
| "CC-BY-1.0"
| "CC-BY-2.0"
| "CC-BY-2.5"
| "CC-BY-2.5-AU"
| "CC-BY-3.0"
| "CC-BY-3.0-AT"
| "CC-BY-3.0-AU"
| "CC-BY-3.0-DE"
| "CC-BY-3.0-IGO"
| "CC-BY-3.0-NL"
| "CC-BY-3.0-US"
| "CC-BY-4.0"
| "CC-BY-NC-1.0"
| "CC-BY-NC-2.0"
| "CC-BY-NC-2.5"
| "CC-BY-NC-3.0"
| "CC-BY-NC-3.0-DE"
| "CC-BY-NC-4.0"
| "CC-BY-NC-ND-1.0"
| "CC-BY-NC-ND-2.0"
| "CC-BY-NC-ND-2.5"
| "CC-BY-NC-ND-3.0"
| "CC-BY-NC-ND-3.0-DE"
| "CC-BY-NC-ND-3.0-IGO"
| "CC-BY-NC-ND-4.0"
| "CC-BY-NC-SA-1.0"
| "CC-BY-NC-SA-2.0"
| "CC-BY-NC-SA-2.0-DE"
| "CC-BY-NC-SA-2.0-FR"
| "CC-BY-NC-SA-2.0-UK"
| "CC-BY-NC-SA-2.5"
| "CC-BY-NC-SA-3.0"
| "CC-BY-NC-SA-3.0-DE"
| "CC-BY-NC-SA-3.0-IGO"
| "CC-BY-NC-SA-4.0"
| "CC-BY-ND-1.0"
| "CC-BY-ND-2.0"
| "CC-BY-ND-2.5"
| "CC-BY-ND-3.0"
| "CC-BY-ND-3.0-DE"
| "CC-BY-ND-4.0"
| "CC-BY-SA-1.0"
| "CC-BY-SA-2.0"
| "CC-BY-SA-2.0-UK"
| "CC-BY-SA-2.1-JP"
| "CC-BY-SA-2.5"
| "CC-BY-SA-3.0"
| "CC-BY-SA-3.0-AT"
| "CC-BY-SA-3.0-DE"
| "CC-BY-SA-3.0-IGO"
| "CC-BY-SA-4.0"
| "CC-PDDC"
| "CC-PDM-1.0"
| "CC-SA-1.0"
| "CC0-1.0"
| "CDDL-1.0"
| "CDDL-1.1"
| "CDL-1.0"
| "CDLA-Permissive-1.0"
| "CDLA-Permissive-2.0"
| "CDLA-Sharing-1.0"
| "CECILL-1.0"
| "CECILL-1.1"
| "CECILL-2.0"
| "CECILL-2.1"
| "CECILL-B"
| "CECILL-C"
| "CERN-OHL-1.1"
| "CERN-OHL-1.2"
| "CERN-OHL-P-2.0"
| "CERN-OHL-S-2.0"
| "CERN-OHL-W-2.0"
| "CFITSIO"
| "check-cvs"
| "checkmk"
| "ClArtistic"
| "Clips"
| "CMU-Mach"
| "CMU-Mach-nodoc"
| "CNRI-Jython"
| "CNRI-Python"
| "CNRI-Python-GPL-Compatible"
| "COIL-1.0"
| "Community-Spec-1.0"
| "Condor-1.1"
| "copyleft-next-0.3.0"
| "copyleft-next-0.3.1"
| "Cornell-Lossless-JPEG"
| "CPAL-1.0"
| "CPL-1.0"
| "CPOL-1.02"
| "Cronyx"
| "Crossword"
| "CrystalStacker"
| "CUA-OPL-1.0"
| "Cube"
| "curl"
| "cve-tou"
| "D-FSL-1.0"
| "DEC-3-Clause"
| "diffmark"
| "DL-DE-BY-2.0"
| "DL-DE-ZERO-2.0"
| "DOC"
| "DocBook-Schema"
| "DocBook-Stylesheet"
| "DocBook-XML"
| "Dotseqn"
| "DRL-1.0"
| "DRL-1.1"
| "DSDP"
| "dtoa"
| "dvipdfm"
| "ECL-1.0"
| "ECL-2.0"
| "EFL-1.0"
| "EFL-2.0"
| "eGenix"
| "Elastic-2.0"
| "Entessa"
| "EPICS"
| "EPL-1.0"
| "EPL-2.0"
| "ErlPL-1.1"
| "etalab-2.0"
| "EUDatagrid"
| "EUPL-1.0"
| "EUPL-1.1"
| "EUPL-1.2"
| "Eurosym"
| "Fair"
| "FBM"
| "FDK-AAC"
| "Ferguson-Twofish"
| "Frameworx-1.0"
| "FreeBSD-DOC"
| "FreeImage"
| "FSFAP"
| "FSFAP-no-warranty-disclaimer"
| "FSFUL"
| "FSFULLR"
| "FSFULLRWD"
| "FTL"
| "Furuseth"
| "fwlw"
| "GCR-docs"
| "GD"
| "generic-xts"
| "GFDL-1.1-invariants-only"
| "GFDL-1.1-invariants-or-later"
| "GFDL-1.1-no-invariants-only"
| "GFDL-1.1-no-invariants-or-later"
| "GFDL-1.1-only"
| "GFDL-1.1-or-later"
| "GFDL-1.2-invariants-only"
| "GFDL-1.2-invariants-or-later"
| "GFDL-1.2-no-invariants-only"
| "GFDL-1.2-no-invariants-or-later"
| "GFDL-1.2-only"
| "GFDL-1.2-or-later"
| "GFDL-1.3-invariants-only"
| "GFDL-1.3-invariants-or-later"
| "GFDL-1.3-no-invariants-only"
| "GFDL-1.3-no-invariants-or-later"
| "GFDL-1.3-only"
| "GFDL-1.3-or-later"
| "Giftware"
| "GL2PS"
| "Glide"
| "Glulxe"
| "GLWTPL"
| "gnuplot"
| "GPL-1.0-only"
| "GPL-1.0-or-later"
| "GPL-2.0-only"
| "GPL-2.0-or-later"
| "GPL-3.0-only"
| "GPL-3.0-or-later"
| "Graphics-Gems"
| "gSOAP-1.3b"
| "gtkbook"
| "Gutmann"
| "HaskellReport"
| "hdparm"
| "HIDAPI"
| "Hippocratic-2.1"
| "HP-1986"
| "HP-1989"
| "HPND"
| "HPND-DEC"
| "HPND-doc"
| "HPND-doc-sell"
| "HPND-export-US"
| "HPND-export-US-acknowledgement"
| "HPND-export-US-modify"
| "HPND-export2-US"
| "HPND-Fenneberg-Livingston"
| "HPND-INRIA-IMAG"
| "HPND-Intel"
| "HPND-Kevlin-Henney"
| "HPND-Markus-Kuhn"
| "HPND-merchantability-variant"
| "HPND-MIT-disclaimer"
| "HPND-Netrek"
| "HPND-Pbmplus"
| "HPND-sell-MIT-disclaimer-xserver"
| "HPND-sell-regexpr"
| "HPND-sell-variant"
| "HPND-sell-variant-MIT-disclaimer"
| "HPND-sell-variant-MIT-disclaimer-rev"
| "HPND-UC"
| "HPND-UC-export-US"
| "HTMLTIDY"
| "IBM-pibs"
| "ICU"
| "IEC-Code-Components-EULA"
| "IJG"
| "IJG-short"
| "ImageMagick"
| "iMatix"
| "Imlib2"
| "Info-ZIP"
| "Inner-Net-2.0"
| "InnoSetup"
| "Intel"
| "Intel-ACPI"
| "Interbase-1.0"
| "IPA"
| "IPL-1.0"
| "ISC"
| "ISC-Veillard"
| "Jam"
| "JasPer-2.0"
| "JPL-image"
| "JPNIC"
| "JSON"
| "Kastrup"
| "Kazlib"
| "Knuth-CTAN"
| "LAL-1.2"
| "LAL-1.3"
| "Latex2e"
| "Latex2e-translated-notice"
| "Leptonica"
| "LGPL-2.0-only"
| "LGPL-2.0-or-later"
| "LGPL-2.1-only"
| "LGPL-2.1-or-later"
| "LGPL-3.0-only"
| "LGPL-3.0-or-later"
| "LGPLLR"
| "Libpng"
| "libpng-2.0"
| "libselinux-1.0"
| "libtiff"
| "libutil-David-Nugent"
| "LiLiQ-P-1.1"
| "LiLiQ-R-1.1"
| "LiLiQ-Rplus-1.1"
| "Linux-man-pages-1-para"
| "Linux-man-pages-copyleft"
| "Linux-man-pages-copyleft-2-para"
| "Linux-man-pages-copyleft-var"
| "Linux-OpenIB"
| "LOOP"
| "LPD-document"
| "LPL-1.0"
| "LPL-1.02"
| "LPPL-1.0"
| "LPPL-1.1"
| "LPPL-1.2"
| "LPPL-1.3a"
| "LPPL-1.3c"
| "lsof"
| "Lucida-Bitmap-Fonts"
| "LZMA-SDK-9.11-to-9.20"
| "LZMA-SDK-9.22"
| "Mackerras-3-Clause"
| "Mackerras-3-Clause-acknowledgment"
| "magaz"
| "mailprio"
| "MakeIndex"
| "Martin-Birgmeier"
| "McPhee-slideshow"
| "metamail"
| "Minpack"
| "MIPS"
| "MirOS"
| "MIT"
| "MIT-0"
| "MIT-advertising"
| "MIT-Click"
| "MIT-CMU"
| "MIT-enna"
| "MIT-feh"
| "MIT-Festival"
| "MIT-Khronos-old"
| "MIT-Modern-Variant"
| "MIT-open-group"
| "MIT-testregex"
| "MIT-Wu"
| "MITNFA"
| "MMIXware"
| "Motosoto"
| "MPEG-SSG"
| "mpi-permissive"
| "mpich2"
| "MPL-1.0"
| "MPL-1.1"
| "MPL-2.0"
| "MPL-2.0-no-copyleft-exception"
| "mplus"
| "MS-LPL"
| "MS-PL"
| "MS-RL"
| "MTLL"
| "MulanPSL-1.0"
| "MulanPSL-2.0"
| "Multics"
| "Mup"
| "NAIST-2003"
| "NASA-1.3"
| "Naumen"
| "NBPL-1.0"
| "NCBI-PD"
| "NCGL-UK-2.0"
| "NCL"
| "NCSA"
| "NetCDF"
| "Newsletr"
| "NGPL"
| "NICTA-1.0"
| "NIST-PD"
| "NIST-PD-fallback"
| "NIST-Software"
| "NLOD-1.0"
| "NLOD-2.0"
| "NLPL"
| "Nokia"
| "NOSL"
| "Noweb"
| "NPL-1.0"
| "NPL-1.1"
| "NPOSL-3.0"
| "NRL"
| "NTP"
| "NTP-0"
| "O-UDA-1.0"
| "OAR"
| "OCCT-PL"
| "OCLC-2.0"
| "ODbL-1.0"
| "ODC-By-1.0"
| "OFFIS"
| "OFL-1.0"
| "OFL-1.0-no-RFN"
| "OFL-1.0-RFN"
| "OFL-1.1"
| "OFL-1.1-no-RFN"
| "OFL-1.1-RFN"
| "OGC-1.0"
| "OGDL-Taiwan-1.0"
| "OGL-Canada-2.0"
| "OGL-UK-1.0"
| "OGL-UK-2.0"
| "OGL-UK-3.0"
| "OGTSL"
| "OLDAP-1.1"
| "OLDAP-1.2"
| "OLDAP-1.3"
| "OLDAP-1.4"
| "OLDAP-2.0"
| "OLDAP-2.0.1"
| "OLDAP-2.1"
| "OLDAP-2.2"
| "OLDAP-2.2.1"
| "OLDAP-2.2.2"
| "OLDAP-2.3"
| "OLDAP-2.4"
| "OLDAP-2.5"
| "OLDAP-2.6"
| "OLDAP-2.7"
| "OLDAP-2.8"
| "OLFL-1.3"
| "OML"
| "OpenPBS-2.3"
| "OpenSSL"
| "OpenSSL-standalone"
| "OpenVision"
| "OPL-1.0"
| "OPL-UK-3.0"
| "OPUBL-1.0"
| "OSET-PL-2.1"
| "OSL-1.0"
| "OSL-1.1"
| "OSL-2.0"
| "OSL-2.1"
| "OSL-3.0"
| "PADL"
| "Parity-6.0.0"
| "Parity-7.0.0"
| "PDDL-1.0"
| "PHP-3.0"
| "PHP-3.01"
| "Pixar"
| "pkgconf"
| "Plexus"
| "pnmstitch"
| "PolyForm-Noncommercial-1.0.0"
| "PolyForm-Small-Business-1.0.0"
| "PostgreSQL"
| "PPL"
| "PSF-2.0"
| "psfrag"
| "psutils"
| "Python-2.0"
| "Python-2.0.1"
| "python-ldap"
| "Qhull"
| "QPL-1.0"
| "QPL-1.0-INRIA-2004"
| "radvd"
| "Rdisc"
| "RHeCos-1.1"
| "RPL-1.1"
| "RPL-1.5"
| "RPSL-1.0"
| "RSA-MD"
| "RSCPL"
| "Ruby"
| "Ruby-pty"
| "SAX-PD"
| "SAX-PD-2.0"
| "Saxpath"
| "SCEA"
| "SchemeReport"
| "Sendmail"
| "Sendmail-8.23"
| "Sendmail-Open-Source-1.1"
| "SGI-B-1.0"
| "SGI-B-1.1"
| "SGI-B-2.0"
| "SGI-OpenGL"
| "SGP4"
| "SHL-0.5"
| "SHL-0.51"
| "SimPL-2.0"
| "SISSL"
| "SISSL-1.2"
| "SL"
| "Sleepycat"
| "SMAIL-GPL"
| "SMLNJ"
| "SMPPL"
| "SNIA"
| "snprintf"
| "softSurfer"
| "Soundex"
| "Spencer-86"
| "Spencer-94"
| "Spencer-99"
| "SPL-1.0"
| "ssh-keyscan"
| "SSH-OpenSSH"
| "SSH-short"
| "SSLeay-standalone"
| "SSPL-1.0"
| "SugarCRM-1.1.3"
| "Sun-PPP"
| "Sun-PPP-2000"
| "SunPro"
| "SWL"
| "swrule"
| "Symlinks"
| "TAPR-OHL-1.0"
| "TCL"
| "TCP-wrappers"
| "TermReadKey"
| "TGPPL-1.0"
| "ThirdEye"
| "threeparttable"
| "TMate"
| "TORQUE-1.1"
| "TOSL"
| "TPDL"
| "TPL-1.0"
| "TrustedQSL"
| "TTWL"
| "TTYP0"
| "TU-Berlin-1.0"
| "TU-Berlin-2.0"
| "Ubuntu-font-1.0"
| "UCAR"
| "UCL-1.0"
| "ulem"
| "UMich-Merit"
| "Unicode-3.0"
| "Unicode-DFS-2015"
| "Unicode-DFS-2016"
| "Unicode-TOU"
| "UnixCrypt"
| "Unlicense"
| "UPL-1.0"
| "URT-RLE"
| "Vim"
| "VOSTROM"
| "VSL-1.0"
| "W3C"
| "W3C-19980720"
| "W3C-20150513"
| "w3m"
| "Watcom-1.0"
| "Widget-Workshop"
| "Wsuipa"
| "WTFPL"
| "wwl"
| "X11"
| "X11-distribute-modifications-variant"
| "X11-swapped"
| "Xdebug-1.03"
| "Xerox"
| "Xfig"
| "XFree86-1.1"
| "xinetd"
| "xkeyboard-config-Zinoviev"
| "xlock"
| "Xnet"
| "xpp"
| "XSkat"
| "xzoom"
| "YPL-1.0"
| "YPL-1.1"
| "Zed"
| "Zeeff"
| "Zend-2.0"
| "Zimbra-1.3"
| "Zimbra-1.4"
| "Zlib"
| "zlib-acknowledgement"
| "ZPL-1.1"
| "ZPL-2.0"
| "ZPL-2.1"