The Best Open-Source Databases

Based on github stars

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

Filtering projects by: Time Series X

Rank Change 2025 Oct Project Features Stars Activity Rating
3 - 3 prometheus Time Series 66,352 9.9 7.00%
12 - 12 InfluxDB Time Series 31,760 9.1 3.35%
15 - 15 TimescaleDB Time Series 23,644 9.8 2.49%
18 ↑↑ 20 QuestDB Time Series 17,429 9.7 1.84%
32 - 32 Graphite Time Series 6,123 6.4 0.65%
49 - 49 RRDtool Time Series 1,119 8.5 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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