Here You can read moust frequently used licenses:

1. GPL - GNU General Public License ver. 3

2. LGPL - GNU Lesser General Public License

3. GFDL - GNU Free Documentation License

4. Creative Commons Licences:

4. Artistic License 2.0

6. QPL

7. X11 Licence

8. MPL Licence

9. Public Domain

In preparation. All texts of licences will be on this site as soon as possible.