OSIA认证的开放源代码软件的软件许可证有如下21种：
1、The GNU General Public License (GPL)
2、The GNU Library or "Lesser" Public License (LGPL)
3、The BSD license
4、The MIT license
5、The Artistic license
6、The Mozilla Public License v. 1.0 (MPL)
7、The Qt Public License (QPL)
8、The IBM Public License
9、The MITRE Collaborative Virtual Workspace License (CVW License)
10、The Ricoh Source Code Public License
11、The Python license
12、The zlib/libpng license
13、The Apache Software License
14、The Vovida Software License v. 1.0
15、The Sun Internet Standards Source License (SISSL)
16、The Intel Open Source License
17、The Mozilla Public License 1.1 (MPL 1.1)
18、The Jabber Open Source License
19、The Nokia Open Source License
20、The Sleepycat License
21、The Nethack General Public License
其中开放源代码软件业最著名的GPL、LGPL、MPL、MPL1.1软件许可证，都经过OSIA的认证
