# X11 license

> specific variant of the MIT license, a permissive non-copyleft free software license, compatible with the GNU GPL

**Wikidata**: [Q18526202](https://www.wikidata.org/wiki/Q18526202)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/X11_License)  
**Source**: https://4ort.xyz/entity/x11-license


## References

1. Free Software Directory
2. [Source](https://invisible-island.net/ncurses/ncurses-license.html#issues_expat)
3. [Source](https://www.gnu.org/licenses/license-list.html#X11License)
4. [Source](http://opensource.org/licenses/category)
5. [Source](https://wiki.debian.org/DFSGLicenses#The_MIT_License)
6. [Source](http://copyfree.org/standard/licenses)
7. [Source](https://fedoraproject.org/wiki/Licensing#Good_Licenses)
8. [SPDX License List](https://spdx.org/licenses/)