Admidio
Admidio: A capable open-source records and activities hub for organizations comfortable hosting it. Ranked #90 of 106 in Membership Management Software by our editors (3.0/10); pricing: Free plan; best for clubs needing free self-hosted records.
At a glance
- Editor score3.0 / 10
- PricingFree plan
- Best forClubs needing free self-hosted records
- Free planYes
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Free and open-source under the GPL-2 license
- Profiles, approvals, access control, lists, events, files, and photos
- CSV, Excel, and PDF data handling plus plugin extensions
Where it doesn't
- Requires installation on a web server with PHP and MySQL or PostgreSQL
- Self-hosted deployment places setup and maintenance with the organization
- Recurring dues, automated renewals, and payment processing are not core features
Our verdict on Admidio
Admidio is free, open-source membership management software for associations, clubs, groups, and other organizations. It runs on the web but is installed on an organization’s own web server rather than delivered as hosted SaaS. Its central use case is maintaining member records and giving members controlled access through an organizational website. Profiles can include configurable fields, online registration can require administrator approval, and access controls help separate member data by role, group, department, and rights.
The product’s breadth around records and organization activity is its clearest strength. Administrators can create configurable member lists and export them to Excel, PDF, or CSV, while CSV import supports user updates. Events include participation and cancellation options. Documents and file sharing can be provided to visitors and member groups, and photo albums add a visual content area. Plugin-based extensions provide a way to add functionality beyond the core installation, although the overall approach suits organizations willing to manage their own web software.
Deployment is the main consideration. Admidio is PHP-based and uses MySQL or PostgreSQL, so the organization needs an appropriate web server and responsibility for installation and ongoing administration. That trade-off may suit clubs seeking control over their membership records and a free licensing model, especially when registration, directories, events, files, and rights management are the priority. Organizations primarily seeking recurring dues, automated renewals, or payment processing should choose a membership product centered on those workflows instead. Admidio is a stronger fit for self-hosted records and community coordination than for subscription billing operations.
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Admidio pricing
Admidio fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Online join and renew | Not verified |
| Recurring dues | Not verified |
| Automated renewals | Not verified |
| Member portal | Yes |
| Member communications | Not verified |
| Website builder | Not verified |
| Deployment | Self-hosted |
| Platforms | Web |
| Compliance & security | SSO/SAML |
| Support | Community, Docs |
| Built for | Small business, Mid-market (editorial estimate) |
| Pricing | Free plan |
| Website | admidio.org |
| Facts checked | 20 Sep 2026 |
Alternatives to Admidio
- CiviCRMA flexible nonprofit CRM with strong fundraising tools and a donor-first focus.9.2
- ChamberMasterA chamber-focused platform covering membership, dues, renewals, events, communications, and websites.8.8
- GrowthZoneA broad membership platform for large organizations that need unlimited member capacity.8.7
See all Admidio alternatives →
Also Ranked In
Admidio is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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