Existing Licenses and Licenses under Development

These are all 'free' licenses (though clearly people have very different ideas what freedom means!); licences based on the Sun 'Community' licence and similar have not been included.

Groups using the GPL

Free Model Foundry
ESA Sparc
and others not listed here...

Groups using other licenses

Free-IP Project (MIT style)
LART (MIT style)
GNUBook (GPL-based, with environmental/human rights additions)

Groups developing new licenses

Simputer GPL - the only gpl-based hardware license to have been developed by a lawyer
Freedom CPU
OpenIPCores OHGPL
The Open NDA
OpenPPC (based on Apple Public Source License)
Hardware Design Public License Open Collector, gpl-based

G.Seaman, 12th August 2000.