CentOS
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991 (see “GNU General Public License (GPL) v2”).
Additional License(s):
AFL/GPL
AFL/GPL Sum
Apache Software License
Apacheish
Artistic
Artistic or GPL
Boost Software License
BSD
BSD-compatible
BSD-like
BSD-like and LGPL
BSD-style
BSD/GPL
BSD/GPL dual license
BSDish
Common Public License Version 1.0
distributable
Distributable (BSD-like)
eGenix.com Public License (Python)
EPL
Free
Freely distributable
freeware
GNU GPL
GPL
GPL or Artistic
GPL or BSD
GPL SLIB
GPL, URW holds copyright
GPL/BSD
GPL/LGPL
GPL/MIT
GPL/OSL
GPL/QPL
GPL2
GPLv2
GPLv2+
JPackage License
LGPL
LGPLv2+
LGPL/MPL
MIT
MIT, freely distributable.
MIT/LGPL
MIT/X11
MIT/X11, and others
MPL/GPL/LGPL
MPL/LGPL
Open Group Public License
OpenLDAP
OSI certified
PSF PSF - see LICENCE
Public Domain
Public domain (uncopyrighted)
Python
Redistributable, with restrictions
Ruby License/GPL - see COPYING
Sendmail
The Open Group License
The PHP License 3.0
The PHP License v3.01
X License
XFree86
zlib
zlib License