PhPeace is a portal management system, conceived for non-profit organisations
but fully adaptable to different situations and requirements.
It's written in PHP and runs on Linux (Apache + MySQL).
PhPeace is free software and distributed under the GPL.
Source code: https://gitlab.com/peacelink/phpeace
If you're willing to help, or just to ask more information, please get in touch:
info@phpeace.org