| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Nonprofit Membership Management Software | 8.4 (#7) | 8.2 (#9) |
| Spec score · Membership Management Software | 7.7 (#67) | 7.8 (#56) |
| Free plan | Yes | Yes |
| Purpose | Admidio is free online membership management software optimized for clubs, groups, and organizations. | Galette is an open-source web application for managing memberships and contributions, designed for nonprofit organizations. |
| Requirements | The current download page requires PHP 8.2 or higher and MariaDB 10.0+, MySQL 5.0+, or PostgreSQL 11.0+. | The 1.3.0 release requires PHP 8.3 or later, the fileinfo PHP module, and JavaScript in the browser. |
| Support | The site directs users to its forum for support and development information. | The project lists Matrix, Discord, IRC, mailing lists, and a bug tracker as contact and support channels. |