The Best Open-Source Databases

Based on github stars

Top 50 Most Popular Open-Source Databases
by number of GitHub stars

Filtering projects by: Column X

Rank Change 2025 Jun Project Features Stars Activity Rating
5 - 5 ClickHouse Column 47,849 10.0 5.16%
26 - 26 Apache Cassandra Column 9,752 9.8 1.05%
34 - 34 Apache HBase Column 5,535 9.7 0.60%
48 - 48 Apache Accumulo Column 1,146 9.8 0.12%
  • Rating - the percentage of stars of a particular project from the total number.
  • Activity - a relative number between 0 and 10 representing the commits activity of a project.
    9+ meaning that the project is amongst the top 10% of most actively developed projects.
    5+ meaning that the project is amongst the top 50% of most active projects.

If you think we are missing a Open-Source Database or would like to make a correction or a suggegestion, please do not hesitate to contact us.

Note that this is an alternative DB-Engines ranking focused on open-source databases only.

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