Free tool for organizations

Manage your association, group or organization with a lot of features and few clicks.

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What is Admidio and who can use it?

Admidio is a free online membership management, which is optimized for associations, groups and organizations. In addition to classic user management it consists of a variety of modules that can be installed and adjusted on a new or existing homepage.

You host Admidio on your own web server and retain control over your data. Members, roles, events, communication, and much more are managed centrally through a modern web interface that adapts flexibly to the structure of your organization.

  • Open source.
  • Self-hosted.
  • No license fees.

Participate?

If you want to participate in the project, get support and information about the continious development you’ll find all you need in our forum.

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Overview over the most important functionality

Manage members easily

Manage members, contacts, and custom profile data clearly in one central place.

Organize groups & roles

Model the structure of your organization flexibly with groups, roles, and memberships.

Assign permissions precisely

Define in detail who can view, edit or manage specific data.

Plan events

Create events and manage schedules, registrations, participants, and rooms.

Create member lists

Create custom lists and export the data you need in various formats.

Communicate easily

Send messages and emails directly to individual contacts, groups or roles.

Share documents

Share files and documents from one central place and control who can access them.

Offer online registration

Allow new members to register themselves and manage their registrations directly in Admidio.