Best Relational Databases in 2026
Updated
31 relational databases ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
31ranked
0free plans on this page
$10/molowest paid tier
5 Oct 2026last checked
0 of the 6 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | Teradata DatabaseWeb · Linux · Self-hosted · API | One bar | — | — | 2 of 6 | — | 4.9 |
| 27 | AlloyDB for PostgreSQLWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 28 | ALTIBASELinux | No signal | — | — | 1 of 6 | — | 4.8 |
| 29 | C++BuilderWindows | No signal | — | — | 1 of 6 | — | 4.8 |
| 30 | DigitalOcean Managed DatabasesNo platforms listed | One bar | — | — | 0 of 6 | $15.15/mo | 4.8 |
| 31 | Microsoft AccessWindows | No signal | — | — | 1 of 6 | $10/mo | 4.8 |
Compare all 6 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Deployment model | Managed service |
|---|---|---|---|---|---|---|---|---|
| 26 | Teradata Database | 4.9 | No | — | No | — | — | — |
| 27 | AlloyDB for PostgreSQL | 4.8 | No | — | No | — | cloud | Yes |
| 28 | ALTIBASE | 4.8 | No | — | No | — | both | — |
| 29 | C++Builder | 4.8 | No | — | Yes | — | self_hosted | — |
| 30 | DigitalOcean Managed Databases | 4.8 | No | $15.15/mo | No | 15.15 /mo | cloud | Yes |
| 31 | Microsoft Access | 4.8 | No | $10/mo | No | — | — | — |
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