Couchbase Server vs eXist-db
| Couchbase Server | eXist-db | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | Web, Windows, macOS, Linux |
| Free plan | Yes | Yes |
| Deployment model | both | self_hosted |
| Managed cloud | Yes | — |
| Document formats | JSON, Binary | XML, binary |
| Transactions | Yes | Yes |
| Vector search | Yes | — |
| Maximum document size | 20 MB | — |
Both are listed in Best Document Databases. On Samsung Mobile US Press, Couchbase Server scores higher on our published basis.