Top Open Source Licenses
The table below illustrates the top open source licenses used in open source projects. The projects that were analyzed to produce this list are tracked in the Black Duck Knowledgebase, reflecting the many forges, foundations and organizations that make up the overall open source community.
Please click on an open source license name for more information.
| Rank | License | % |
| 1 | MIT License | 26% |
| 2 | GNU General Public License (GPL) 2.0 | 21% |
| 3 | Apache License 2.0 | 16% |
| 4 | GNU General Public License (GPL) 3.0 | 9% |
| 5 | BSD License 2.0 (3-clause, New or Revised) License | 6% |
| 6 | GNU Lesser General Public License (LGPL) 2.1 | 4% |
| 7 | Artistic License (Perl) | 4% |
| 8 | GNU Lesser General Public License (LGPL) 3.0 | 2% |
| 9 | ISC License | 2% |
| 10 | Microsoft Public License | 2% |
| 11 | Eclipse Public License (EPL) | 2% |
| 12 | Code Project Open License 1.02 | 1% |
| 13 | Mozilla Public License (MPL) 1.1 | < 1% |
| 14 | Simplified BSD License (BSD) | < 1% |
| 15 | Common Development and Distribution License (CDDL) | < 1% |
| 16 | GNU Affero General Public License v3 or later | < 1% |
| 17 | Microsoft Reciprocal License | < 1% |
| 18 | Sun GPL With Classpath Exception v2.0 | < 1% |
| 19 | DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | < 1% |
| 20 | CDDL-1.1 | < 1% |