Open-Source tools we use

WHY2025 loves Open-Source, and without it, a lot of what we do just wouldn't be possible. That's why we'd like to shout out all the awesome tools that are being used by each team in the Orga Crew - because they're a big part of what we do.

Name and Logo	Description	Teams that use it	Links
Authentik	Authentik is an open-source single sign-on and identity provider.	Most teams use Authentik to log into other services we host, like Hedgedoc	Website Documentation
Engelsystem
Grafana
Hedgedoc
Jitsi	Jitsi is a self-hosted open-source video conferencing solution, similar to Zoom.	Most teams use Jitsi to facilitate their meetings.	Website Jitsi Meet Homepage Documentation
Mailman
Nextcloud	Nextcloud is a cloud collaboration platform which includes file sharing, a task tracking system, an office suite and more.	Nearly every team relies on Nextcloud for easy file sharing and task management.	Website Documentation
OpenProject
Pretalx
Pretix
WordPress
Zabbix
Zammad