Admidio
Free, open-source membership management for organizations seeking full data control
- Data: Self-hosted
- GDPR-native
- EU-owned
- Self-hostable
- Open source
Admidio is a free, open-source user management system designed for associations, groups, and organizations to manage members and operations on their own infrastructure. Founded in 2004 by Markus Faßbender in Germany, it provides customizable member lists, event coordination, photo galleries, document sharing, and granular permission controls via a self-hosted model.
Admidio is a free, open-source user management system designed for associations, groups, and organizations to manage members and operations on their own infrastructure. Founded in 2004 by Markus Faßbender in Germany, it provides customizable member lists, event coordination, photo galleries, document sharing, and granular permission controls via a self-hosted model.
Highlights
- ✓Open source (GPL v2) with no licensing costs
- ✓Complete data sovereignty through self-hosting
- ✓Flexible role and permission system reflecting organizational structure
- ✓Rich feature set: member lists, events, galleries, document sharing, CSV import/export
- Data location
- Self-hosted
- Pricing
- Free
- EU-owned
- Yes
- Self-hostable
- Yes
Good for
- Sports clubs managing rosters, events, and photo galleries for teams
- Non-profit associations handling member access controls and communication
- Community organizations tracking event attendance and sharing member-only documents
A European alternative to
Frequently asked questions
- Is Admidio EU-owned and GDPR-native?
- Admidio — European-owned: Yes; GDPR-native: Yes; self-hostable: Yes; data stored in: Self-hosted.
- How much does Admidio cost?
- Pricing model: Free. Check Admidio's own site for current plans and numbers.
- What are European alternatives to Admidio?
- Compare GDPR-native European alternatives to Admidio — where each one is built, owned and hosted.
More European tools
- AufinityAutonomous payment orchestration platform automating invoicing, reminders, and reconciliation for automotive dealers.
- Billwerk+ (Frisbii)European subscription billing platform automating recurring revenue with predictive analytics
- BuchhaltungsButlerIntelligent German cloud accounting software that automates 76% of bookkeeping work with AI and tax compliance built-in.
- DebtistDigital debt collection across Europe with AI automation, no upfront costs.
- FastBillGerman-built cloud accounting software for freelancers and small businesses with secure local data hosting.
- FrisbiiEuropean recurring revenue management platform combining subscription billing, payments, and analytics.