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Best Relational Databases in 2026

Updated

30 relational databases ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

30ranked
0free plans on this page
$10/molowest paid tier
4 Oct 2026last checked
  1. 26

    openGauss

    5.6
    Linux
    Free plan
    Yes
    Deployment model
    self_hosted
    Managed service
    No
    High availability
    Yes
    Read replicas
    Yes
    RecognisedDocumentedFree planPlatforms
    About openGaussVisit site
  2. 27

    ALTIBASE

    5.4
    Linux
    Free plan
    No
    Deployment model
    both
    High availability
    Yes
    RecognisedDocumentedFree planPlatforms
    About ALTIBASEVisit site
  3. 28

    C++Builder

    5.4
    Windows
    Free plan
    Yes
    Deployment model
    self_hosted
    RecognisedDocumentedFree planPlatforms
    About C++BuilderVisit site
  4. 29

    Microsoft Access

    5.4
    Windows
    Free plan
    No
    RecognisedDocumentedFree planPlatforms
    $10/mofirst paid tier About Microsoft AccessVisit site
  5. 30

    Teradata Database

    5.2
    Web
    Free plan
    No
    RecognisedDocumentedFree planPlatforms
    About Teradata DatabaseVisit site

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