Apache License
GPL : GNU General Public License
PHP License
Comparison of free and open-source software licenses
List of Apache Software Foundation projects
Software using the Apache license (category)
https://ja.wikipedia.org/wiki/Apache_License
https://en.wikipedia.org/wiki/Apache_License
https://img.shields.io/badge/Apache_License-D22128.svg?style=for-the-badge&logo=apache&logoColor=white