| Price from | Free | $73/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 4 |
| Spec score · Graph Databases | 8.1 (#12) | 9.1 (#2) |
| License | Cayley is developed under the Apache 2.0 license and is free to use in any project. | The documentation states FalkorDB is licensed under Server Side Public License v1 (SSPLv1). |
| Storage | Cayley works on top of SQL, NoSQL, or key-value databases. | FalkorDB stores graphs as sparse adjacency matrices for compact storage and fast traversal. |
| What it does | Cayley is an open-source graph database inspired by the graph database behind Freebase and Google's Knowledge Graph. | FalkorDB is a Redis-based property graph database designed for knowledge graphs, GraphRAG, agent memory, fraud detection and connected-data applications. |
