Admidio is a free open source user management system for websites of organizations and groups. The system has a flexible role model so that it’s possible to reflect the structure and permissions of your organization.

Product Overview

Admidio is a free, open-source user management system designed for organizations, groups, and associations. This flexible platform allows you to manage your membership, structure, and permissions with ease. With Admidio, you can create custom member lists, events, photos, documents, and files, while also assigning rights to groups and properties. The system is optimized for webmasters who want to maintain their organization's online presence.

Main Features

Admidio offers a range of features that make it an ideal tool for managing organizations:

  • Access Control: Protects member data from unauthorized access
  • Lists: Freely configurable member lists with export options (Excel, PDF, CSV)
  • Events: Create events with the option to commit or cancel
  • Photos: Upload, manage, and view photos and albums in a photo gallery
  • Documents & Files: Provide documents and files for visitors and member groups
  • Rights Management: Individually assign rights to groups, departments, and properties
  • Import: Import new users or update existing ones using a CSV file
  • Plugins: Extend Admidio's functionality with various plugins


Admidio welcomes contributions from the community. You can participate in several ways:

  • Forum Support: Share your knowledge and help fellow users in the forum.
  • Documentation: Contribute to our documentation and improve user resources.
  • Translations: Translate Admidio into other languages or update existing translations.
  • Development: If you have PHP programming skills, you can help improve Admidio.

By contributing to Admidio, you can help make it one of the best free membership software solutions available.

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