The following licenses have been certified as Open Source by the Open Source Initiative. The license categories are from the Open Source Initiative’s License Proliferation Committee report.
For a list of current licenses, see the following sites:
We used statistics obtained from public sources to determine which licenses are widely used. We believed that there were a few licenses that, while not the most popular, were widely used within their communities and that these also belonged in this group.
|Apache License, 2.0|
|New and Simplified BSD licenses|
|GNU General Public License (GPL)(version 2)|
|GNU Library or “Lesser” General Public License (LGPL) (version 2)|
|Mozilla Public License 1.1 (MPL)|
|Common Development and Distribution License|
|Common Public License 1.0|
|Eclipse Public License|
Certain licensors, such as schools and the U.S. government, have specialized concerns, such as specialized rules for government copyrights. Licenses that were identified as meeting a special need were placed in this group.
|Educational Community License|
|NASA Open Source Agreement 1.3|
|Open Group Test Suite License|
|Adaptive Public License|
|Artistic License 2.0|
|Open Software License|
|Qt Public License (QPL)|