| Price from | $104.17/mo | €416.67/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 8 | 4 |
| Spec score · Content Management Systems | 9.0 (#16) | 9.2 (#5) |
| Custom content types | Yes | Yes |
| Custom user roles | No | No |
| Editorial workflows | Yes | Yes |
| Free plan | Yes | Yes |
| Headquarters | Vienna, Virginia, USA | Cologne, Germany |
| Media library | Yes | Yes |
| Multilingual content | Yes | Yes |
| Multi-site management | A single installation can create and manage many sites. | One installation can centrally manage hundreds of websites, with subsites and user access configured by site. |
| Platform type | self_hosted | self_hosted |
| Purpose | Omeka S is a web publishing platform for institutions connecting digital cultural heritage collections with online resources. | OpenCms is a Java and XML content management system for creating and editing websites. |
| SEO tools | Yes | Yes |
| Support | Paid support plans include a ticketing service, an initial response within 24 hours to begin scheduling follow-up, and email and phone support for configuration, setup, and troubleshooting. | Premium support targets mission-critical projects, guarantees a response within the next business day, and includes core and OCEE bug fixing. |