The Best Open-Source Databases

Based on github stars

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

 

Rank Change 2023 Feb Project Features Stars Activity Rating
1 - 1 Elasticsearch Search Engine 66,761 10.0 9.00%
2 - 2 Redis Key-value 63,351 9.6 8.54%
3 - 3 prometheus Time Series 51,741 9.8 6.97%
4 - 4 etcd Key-value 45,723 9.8 6.16%
5 - 5 Apache Spark Relational 37,828 9.9 5.10%
6 - 6 LevelDB Key-value 34,588 2.6 4.66%
7 - 7 ClickHouse Column 33,056 10.0 4.46%
8 - 8 cockroach Relational 28,647 10.0 3.86%
9 10 InfluxDB Time Series 27,267 9.9 3.67%
10 11 RocksDB Key-value 26,926 9.7 3.63%
11 ↓↓ 9 RethinkDB Document 26,450 7.0 3.56%
12 - - Milvus Search Engine Vector 25,468 9.9 3.43%
13 12 MongoDB Document 25,117 10.0 3.39%
14 - 14 PouchDB Document 16,203 9.2 2.18%
15 - 15 TimescaleDB Time Series 16,149 9.7 2.18%
16 ↓↓↓ 13 Realm Relational 16,094 9.1 2.17%
17 16 Presto Relational 15,420 9.8 2.08%
18 19 PostgreSQL Relational 14,127 9.8 1.90%
19 ↓↓ 17 ArangoDB Graph Document 13,264 9.8 1.79%
20 21 QuestDB Time Series 13,234 9.6 1.78%
21 ↓↓↓ 18 Memcached Key-value 13,018 8.2 1.75%
22 ↓↓ 20 Neo4j Graph 12,240 9.8 1.65%
23 22 MySQL Relational 9,994 9.7 1.35%
24 25 KeyDB Key-value 8,622 8.9 1.16%
25 24 Apache Cassandra Column 8,420 9.8 1.13%
26 ↓↓↓ 23 SSDB Key-value 8,133 0.0 1.10%
27 28 Greenplum Relational 6,133 9.8 0.83%
28 27 CouchDB Document 5,946 9.5 0.80%
29 ↓↓↓ 26 Graphite Time Series 5,809 6.0 0.78%
30 29 Hazelcast Relational 5,766 9.8 0.78%
31 32 Apache Hive Relational 5,244 9.5 0.71%
32 31 MariaDB Relational 5,175 9.8 0.70%
33 ↑↑ 4 37 SQLite Relational 5,158 0.0 0.70%
34 ↓↓ 4 30 Apache HBase Column 5,064 9.4 0.68%
35 ↓↓ 33 OrientDB Key-value Document 4,668 9.5 0.63%
36 ↓↓ 34 Apache Ignite Key-value Relational 4,641 9.5 0.63%
37 ↓↓ 35 Apache Solr Search Engine 4,364 0.0 0.59%
38 ↓↓ 36 H2 Relational 3,989 9.2 0.54%
39 38 Hive Key-value 3,807 6.7 0.51%
40 39 RavenDB Document 3,362 9.9 0.45%
41 42 Apache AGE Graph Relational 2,351 8.9 0.32%
42 ↓↓ 40 Ehcache Key-value 1,939 6.4 0.26%
43 ↓↓ 41 Sphinx Search Engine 1,774 0.0 0.24%
44 43 Firebird Relational 1,163 9.6 0.16%
45 44 Infinispan Key-value 1,101 9.7 0.15%
46 47 Apache Impala Relational 1,050 9.5 0.14%
47 ↓↓ 45 Apache Phoenix Relational 1,007 8.9 0.14%
48 ↓↓ 46 Apache Accumulo Column 1,004 9.6 0.14%
49 48 RRDtool Time Series 950 5.8 0.13%
50 49 Aerospike Key-value NoSQL 939 8.9 0.13%
  • 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.