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Last Updated: 07-08-2026 03:58 PM (UTC)

HumHub

Workplace and Yammer's pattern on your own server, with GDPR compliance by construction rather than contract: HumHub is an open-source enterprise social network from Germany. Built in PHP on Yii2, it organizes everything around four concepts. Users get rich profiles with follows and interactions. Spaces are the structural unit - rooms for departments, projects, events, or clubs, with per-Space permissions, notification settings, and email summaries, and operators can auto-map users into the right Spaces. Content covers posts, wiki pages, photos and video, events, and tasks, with multi-level comments, versioning, archiving, moderation reporting, and filterable full-text search across everything. Modules make it a platform: roughly 80 install-and-activate extensions including Calendar, Wiki, Polls, Tasks, Gallery, News, direct-message Mail, OnlyOffice document editing, Advanced LDAP, SAML and JWT SSO, a RESTful API, mass user import, Translation Manager, and a Theme Builder with custom pages - every one optional and toggleable at runtime. That module economy is why HumHub serves such varied deployments: corporate intranets, city governments, universities, political parties, and nonprofits all configure the same core differently. Requirements are a plain LAMP stack - PHP 8.1+ and MySQL/MariaDB - making it one of the easiest community platforms to operate long-term.

HumHub

Benefits

  • GDPR by Construction
  • German-made, self-hosted - member data never touches a third-party social platform.
  • Structure That Matches Your Org
  • Unlimited Spaces with per-Space permissions map departments, projects, and clubs cleanly.
  • Only the Features You Want
  • Roughly 80 modules toggle on and off at runtime - no bloat, no forced workflows.
  • Cheap to Run Forever
  • A plain PHP/MySQL stack keeps hosting simple and operational costs minimal.

Features

  • Spaces
  • Rooms for teams and projects with granular permissions and email summaries.
  • Rich Content
  • Posts, wikis, media, events, and tasks with threaded comments and moderation.
  • Activity Streams
  • Dashboard and per-Space feeds with configurable notifications.
  • Module Marketplace
  • Calendar, Polls, News, Messenger, Gallery, OnlyOffice, and dozens more.
  • Enterprise Auth
  • Advanced LDAP, SAML and JWT SSO, plus mass user import.
  • Theming and API
  • Theme Builder, custom pages, Translation Manager, and a RESTful API.