The Best Open-Source Databases

Based on github stars

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

Filtering projects by: Relational X

Rank Change 2025 Oct Project Features Stars Activity Rating
7 ↓ 6 Apache Spark Relational 44,139 10.0 4.65%
8 ↑ 9 DuckDB Relational 41,985 10.0 4.43%
10 - 10 cockroach Relational 32,543 10.0 3.43%
16 - 16 PostgreSQL Relational 22,314 9.9 2.35%
20 ↓↓ 18 Presto Relational 16,753 9.8 1.77%
21 ↓↓ 19 Realm Relational 16,610 6.4 1.75%
25 - 25 MySQL Relational 12,440 9.9 1.31%
26 ↑ 27 SQLite Relational 10,592 0.0 1.12%
29 ↑ 30 MariaDB Relational 8,311 9.9 0.88%
31 - 31 Hazelcast Relational 6,619 9.8 0.70%
33 - 33 Apache Hive Relational 6,027 9.6 0.64%
35 - 35 Apache Ignite Key-value Relational 5,082 9.8 0.54%
37 ↑↑↑ 40 Apache AGE Graph Relational 4,877 8.7 0.51%
38 ↓ 37 H2 Relational 4,632 8.9 0.49%
44 - 44 Firebird Relational 1,472 9.8 0.16%
47 - 47 Apache Impala Relational 1,290 9.7 0.14%
50 - 50 Apache Phoenix Relational 1,057 8.6 0.11%
52 - 52 Apache Derby Relational 378 0.0 0.04%
  • 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.