| OSI approved = Yesఅవును<ref name="osilicenselist">{{cite web |url=http://opensource.org/licenses/alphabetical |title=Licenses by Name | Open Source Initiative |publisher=Open Source Initiative |accessdate=10 December 2009}}</ref>
| Debian approved = Yesఅవును<ref name="debianlicenses">{{cite web |url=http://www.debian.org/legal/licenses/ |title=Debian – License information |publisher=Software in the Public Interest, Inc. |accessdate=10 December 2009}}</ref>
| Free Software = Yesఅవును<ref name="fsflicenselist">{{cite web |url=http://www.fsf.org/licensing/licenses/index_html#GPLCompatibleLicenses |title=Licenses – Free Software Foundation |publisher=Free Software Foundation |accessdate=10 December 2009}}</ref>
| copyleft = Yesఅవును<ref name="fsflicenselist" /><ref name="fsfcopyleft">{{cite web |url=http://www.fsf.org/licensing/essays/pragmatic.html |title=Copyleft: Pragmatic Idealism – Free Software Foundation |publisher=Free Software Foundation |accessdate=10 December 2009}}</ref>
| linking = Noకాదు (except for linking GNU AGPLv3 with GNU GPLv3 – [[#Compatibility and multi-licensing|see section]])
