kdb+ vs PostgreSQL
| kdb+ | PostgreSQL | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Windows, macOS, Linux | Linux, macOS, self-hosted, Windows |
| SQL support | Yes | — |
| Free plan | — | Yes |
Both are listed in Best Database Software. On Samsung Mobile US Press, PostgreSQL scores higher on our published basis.