_Open_Source_References

GNU General Public License v2: GPL-2.0

GNU General Public License v3: GPL-3.0

GNU Lesser General Public License v2: LGPL-2.1

BSD type licenses, or those describe by Regents of the University of California identifier are typically described by the following: BSD-2-Clause and BSD-3-Clause (revised BSD license).

Permissive Free Software License: Rights are owned by an individual, group of individuals, institution or consortium but is generally free provided minimal conditions are met. S ee: Permissive free software licence wikipedia entry for more information.