FSF license classification
FOSSBazaar is no longer being updated. The information on this site is preserved for your convenience but may be out of date. Please visit Linux Foundation's Open Compliance Program for current information and activities.
The Free Software Foundation (FSF) maintains a classification of various licenses, including software licenses, licenses for documentation and licenses for other purposes. The page shows which software licenses are GPL compatible and which are non-free (i.e. not free software) according to the FSF.