Licences comparison (Are you looking for Licence holders?)
The following licences are the most common ones in the software area nowadays. The table show the main differences between them in order to give you the possibility of making an informed decision. Choose your licence very carefully. You can use the links in the name of licences to find the proper signature required in your code.
| Licence name | Can give my name for derived work? | Should my code be used only by open-source projets? | Should derived works remained open-source? | Can change license type for derived work? | Can sell derived work? |
| None | No | No | No | No | No |
| Public domain | Yes | No | No | No | No |
| GPL-3 | Yes (you should highlight changes) | Yes | Yes (only if published) | No | No |
| LGPL | Yes | No | as in GPL but can link compiled libraries as-are into non-open source software | Yes for compatible | Yes |
| MIT/X11 | Yes | No | No | Yes | Yes |
| BSD-2Clause / FreeBSD | Yes | No | No | Yes | Yes |
| BSD-3Clause | Yes | No | No | Yes | Yes |
| Python 2.0 | Yes | Yes | No | Yes | Yes |
| Apache 2.0 | Yes | No | No | Yes | Yes |