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 Jun Project Features Stars Activity Rating
7 6 Apache Spark Relational 43,387 10.0 4.68%
9 10 DuckDB Relational 38,597 10.0 4.17%
10 9 cockroach Relational 32,187 10.0 3.47%
16 - 16 PostgreSQL Relational 21,085 10.0 2.28%
19 - 19 Presto Relational 16,710 9.9 1.80%
21 ↓↓↓ 18 Realm Relational 16,607 7.3 1.79%
25 - 25 MySQL Relational 12,279 9.8 1.33%
27 28 SQLite Relational 9,750 0.0 1.05%
29 ↑↑ 31 MariaDB Relational 7,689 9.9 0.83%
31 30 Hazelcast Relational 6,573 9.9 0.71%
33 - 33 Apache Hive Relational 5,970 9.6 0.64%
35 - 35 Apache Ignite Key-value Relational 5,065 9.8 0.55%
37 - 37 H2 Relational 4,600 8.4 0.50%
38 ↑↑↑ 41 Apache AGE Graph Relational 4,572 8.4 0.49%
44 - 44 Firebird Relational 1,433 9.9 0.15%
47 46 Apache Impala Relational 1,276 9.7 0.14%
50 - 50 Apache Phoenix Relational 1,059 9.1 0.11%
52 - 52 Apache Derby Relational 375 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.