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Admidio is a PHP-based membership and user management system designed for associations, clubs and other organizations. It provides a role- and group-oriented permission model, customizable member profiles, and a collection of modules for events, media and document handling.

Key Features

• Flexible roles, groups and permissions to mirror organizational structures
• Customizable user profiles with configurable profile fields and relationships
• Membership lists with export to CSV, Excel, ODF and PDF
• Event management with online event publishing and participant handling
• Media gallery for photo albums and simple e-card functionality
• Document and file repository with upload and role-based access control
• HTML email messaging to users, roles and groups
• Plugin system and theming to extend functionality

Use Cases

• Manage membership records, roles and contact data for clubs or associations
• Publish and manage events, registrations and participant lists for community groups
• Provide a central document and photo repository with controlled access for members

Limitations and Considerations

• Requires a PHP webserver (PHP 8.2 or higher) and a supported SQL database (MariaDB, MySQL or PostgreSQL)
• Upgrading can require careful handling of custom themes and plugins to avoid conflicts

Admidio is a practical, mature solution for organizations that need structured member administration with built-in modules for events, media and documents. It favors a traditional PHP webapp architecture and is extendable via plugins and themes.