zammad - user support/ticketing solution

[nebulon]

https://zammad.org/

[nebulon]

Install with Docker — Zammad documentation
https://docs.zammad.org/en/latest/contributing-install-docker.html

Source code
https://github.com/zammad

Zammad Reviews - AlternativeTo.net
https://alternativeto.net/software/zammad/reviews/

Open Source Self-Hosted Zammad Alternatives - AlternativeTo.net
https://alternativeto.net/software/zammad/?license=opensource&platform=self-hosted