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Current version: 0.5.5~ynh1

Zusam (/tsuˈzam/) is a free and open-source way to self-host private forums for groups of friends. Composed of a server written in PHP exposing a REST API and a lightweight webapp, Zusam is extensible and easy to install. The goal is to make a stable, extensible, lightweight and user-friendly way to self-host private social groups.


  • Links preview and embedded Youtube, Vimeo, Imgur, Soundcloud, Twitch, Bandcamp...
  • Video and image upload
  • Photo albums
  • Public link generation for messages
  • Completely responsive and mobile friendly
  • Low server footprint
Screenshot for Zusam

Important infos before installing

This application has no administration interface or administrator account.

However, you will need to choose the first user and enter their password, as well as the name of the first group created.

Subsequent users will be added via a system of invitations, with each user then able to create groups.

Useful links

App license: Unlicense Official website Official admin documentation Official code repository YunoHost package repository YunoHost package license