# PostgreSQL License

> permissive non-copyleft free software license

**Wikidata**: [Q18563589](https://www.wikidata.org/wiki/Q18563589)  
**Source**: https://4ort.xyz/entity/postgresql-license


## References

1. [Source](http://copyfree.org/standard/licenses)
2. [Source](http://crynwr.com/cgi-bin/ezmlm-cgi?17:mmp:969)
3. [SPDX License List](https://spdx.org/licenses/)
4. [Source](http://directory.fsf.org/wiki/PostgreSQL)
5. [Source](https://packages.debian.org/stable/postgresql)