The Best Open-Source Databases

Based on github stars

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

 

Rank Change 2021 Jan Project Features Stars Activity Rating
1 - 1 Elasticsearch Search Engine 53,853 10.0 10.66%
2 - 2 Redis Key-value 47,553 9.7 9.42%
3 - - prometheus Time Series 35,461 9.6 7.02%
4 3 etcd Key-value 34,859 9.4 6.90%
5 4 Apache Spark Relational 28,903 9.9 5.72%
6 - - RethinkDB Document 24,472 3.4 4.85%
7 - - LevelDB Key-value 23,046 5.4 4.56%
8 ↓↓↓ 5 InfluxDB Time Series 20,543 9.8 4.07%
9 ↓↓↓ 6 cockroach Relational 19,961 10.0 3.95%
10 ↓↓↓ 7 MongoDB Document 19,359 10.0 3.83%
11 - - RocksDB Key-value 18,854 9.7 3.73%
12 ↓↓↓ 9 ClickHouse Column 14,615 10.0 2.89%
13 ↓↓ 5 8 Realm Relational 14,331 9.3 2.84%
14 - - PouchDB Document 13,918 6.8 2.76%
15 ↓↓ 5 10 Presto Relational 11,719 9.8 2.32%
16 - - ArangoDB Graph Document 10,890 9.8 2.16%
17 ↓↓ 6 11 Memcached Key-value 10,744 6.7 2.13%
18 - - TimescaleDB Time Series 10,461 9.5 2.07%
19 ↓↓ 7 12 Neo4j Graph 8,653 9.9 1.71%
20 ↓↓ 7 13 PostgreSQL Relational 7,974 9.9 1.58%
21 ↓↓ 7 14 Apache Cassandra Column 6,468 9.4 1.28%
22 ↓↓ 7 15 MySQL Relational 6,169 9.9 1.22%
23 - - Graphite Time Series 5,153 7.1 1.02%
24 ↓↓ 8 16 CouchDB Document 4,827 9.1 0.96%
25 ↓↓ 8 17 Greenplum Relational 4,402 9.7 0.87%
26 - - OrientDB Key-value Document 4,264 9.7 0.84%
27 ↓↓ 9 18 Hazelcast Relational 4,216 9.7 0.83%
28 ↓↓ 9 19 Apache Solr Search Engine 4,095 0.0 0.81%
29 ↓↓ 9 20 Apache HBase Column 3,936 9.7 0.78%
30 - - Apache Ignite Key-value Relational 3,705 9.6 0.73%
31 ↓↓ 10 21 MariaDB Relational 3,679 9.9 0.73%
32 ↓↓ 10 22 Apache Hive Relational 3,587 0.0 0.71%
33 ↓↓ 10 23 H2 Relational 2,692 9.6 0.53%
34 - - RavenDB Document 2,589 9.9 0.51%
35 - - QuestDB Time Series 2,589 9.1 0.51%
36 ↓↓ 12 24 Hive Key-value 2,067 7.0 0.41%
37 ↓↓ 12 25 Sphinx Search Engine 1,641 0.0 0.32%
38 ↓↓ 12 26 Ehcache Key-value 1,618 7.3 0.32%
39 - - Apache Phoenix Relational 865 9.3 0.17%
40 - - Infinispan Key-value 858 9.7 0.17%
41 - - Apache Accumulo Column 851 9.2 0.17%
42 ↓↓ 15 27 SQLite Relational 817 9.5 0.16%
43 - - RRDtool Time Series 700 3.6 0.14%
44 ↓↓ 16 28 Apache Impala Relational 555 9.4 0.11%
45 - - Aerospike Key-value NoSQL 545 8.9 0.11%
46 - - Riak KV Key-value 536 6.3 0.11%
47 ↓↓ 18 29 Firebird Relational 517 9.3 0.10%
48 - - Apache Jackrabbit Content 270 8.0 0.05%
49 - - Apache Derby Relational 243 0.0 0.05%
50 - - ModeShape Content 211 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 focussed on open-source databases only.