List of valid PyPI licenses

Aladdin Free Public License (AFPL)
CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
DFSG approved
Eiffel Forum License (EFL)
Free For Educational Use
Free For Home Use
Free for non-commercial use
Freely Distributable
Free To Use But Restricted
Freeware
Netscape Public License (NPL)
Nokia Open Source License (NOKOS)
OSI Approved :: Academic Free License (AFL)
OSI Approved :: Apache Software License
OSI Approved :: Apple Public Source License
OSI Approved :: Artistic License
OSI Approved :: Attribution Assurance License
OSI Approved :: BSD License
OSI Approved :: CEA CNRS Inria Logiciel Libre License, version 2.1 (CeCILL-2.1)
OSI Approved :: Common Public License
OSI Approved :: Eiffel Forum License
OSI Approved :: European Union Public Licence 1.0 (EUPL 1.0)
OSI Approved :: European Union Public Licence 1.1 (EUPL 1.1)
OSI Approved :: GNU Affero General Public License v3
OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)
OSI Approved :: GNU Free Documentation License (FDL)
OSI Approved :: GNU General Public License (GPL)
OSI Approved :: GNU General Public License v2 (GPLv2)
OSI Approved :: GNU General Public License v2 or later (GPLv2+)
OSI Approved :: GNU General Public License v3 (GPLv3)
OSI Approved :: GNU General Public License v3 or later (GPLv3+)
OSI Approved :: GNU Lesser General Public License v2 (LGPLv2)
OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)
OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)
OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)
OSI Approved :: GNU Library or Lesser General Public License (LGPL)
OSI Approved :: IBM Public License
OSI Approved :: Intel Open Source License
OSI Approved :: ISC License (ISCL)
OSI Approved :: Jabber Open Source License
OSI Approved :: MIT License
OSI Approved :: MITRE Collaborative Virtual Workspace License (CVW)
OSI Approved :: Motosoto License
OSI Approved :: Mozilla Public License 1.0 (MPL)
OSI Approved :: Mozilla Public License 1.1 (MPL 1.1)
OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)
OSI Approved :: Nethack General Public License
OSI Approved :: Nokia Open Source License
OSI Approved :: Open Group Test Suite License
OSI Approved :: Python License (CNRI Python License)
OSI Approved :: Python Software Foundation License
OSI Approved :: Qt Public License (QPL)
OSI Approved :: Ricoh Source Code Public License
OSI Approved :: Sleepycat License
OSI Approved :: Sun Industry Standards Source License (SISSL)
OSI Approved :: Sun Public License
OSI Approved :: University of Illinois/NCSA Open Source License
OSI Approved :: Vovida Software License 1.0
OSI Approved :: W3C License
OSI Approved :: X.Net License
OSI Approved :: zlib/libpng License
OSI Approved :: Zope Public License
Other/Proprietary License
Public Domain
Repoze Public License