this is obsolete doc -- see http://doc.nethence.com/ instead

Open Source Licenses 

BSD style 

FreeBSD Copyright and Legal Information : http://www.freebsd.org/copyright/ 

The 4.4BSD Copyright : http://www.freebsd.org/copyright/license.html 

The FreeBSD Copyright : http://www.freebsd.org/copyright/freebsd-license.html 

FreeBSD documentation license : http://www.freebsd.org/copyright/freebsd-doc-license.html 

NetBSD Licensing and Redistribution : http://www.netbsd.org/about/redistribution.html 

BSD licenses : http://en.wikipedia.org/wiki/BSD_licenses 

MIT License : http://en.wikipedia.org/wiki/MIT_License 

ISC License : http://en.wikipedia.org/wiki/ISC_License 

FSF style 

GNU General Public License (GPL) : http://en.wikipedia.org/wiki/GNU_General_Public_License 

GNU Lesser General Public License (LGPL) : http://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License 

Export regulations 

We're not allowed to travel everywhere with Open source. 

Refs. 

http://ftp.netbsd.org/pub/NetBSD/.message