The Best Open-Source Databases

Based on github stars

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

Filtering projects by: Search Engine X

Rank Change 2025 Jun Project Features Stars Activity Rating
1 - 1 Elasticsearch Search Engine 76,827 10.0 8.29%
6 ↑↑ 8 Milvus Search Engine Vector 44,649 10.0 4.82%
40 ↓↓ 38 Apache Solr Search Engine 4,367 0.0 0.47%
43 - 43 Sphinx Search Engine 1,832 0.0 0.20%
  • 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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