| Rank | Change | 2023 Apr | Project | Features | Stars | Activity | Rating |
|---|---|---|---|---|---|---|---|
| 1 | - | 1 | Elasticsearch | Search Engine | 67,531 | 10.0 | 8.92% |
| 2 | - | 2 | Redis | Key-value | 64,821 | 9.7 | 8.56% |
| 3 | - | 3 | prometheus | Time Series | 52,748 | 9.9 | 6.97% |
| 4 | - | 4 | etcd | Key-value | 46,345 | 9.9 | 6.12% |
| 5 | - | 5 | Apache Spark | Relational | 38,320 | 10.0 | 5.06% |
| 6 | - | 6 | LevelDB | Key-value | 35,046 | 0.0 | 4.63% |
| 7 | - | 7 | ClickHouse | Column | 34,153 | 10.0 | 4.51% |
| 8 | - | 8 | cockroach | Relational | 29,076 | 10.0 | 3.84% |
| 9 | ↑ | 10 | InfluxDB | Time Series | 27,759 | 9.9 | 3.67% |
| 10 | ↑ | 11 | RocksDB | Key-value | 27,389 | 9.8 | 3.62% |
| 11 | ↑↑ | 13 | Milvus | Search Engine Vector | 26,857 | 10.0 | 3.55% |
| 12 | ↓↓↓ | 9 | RethinkDB | Document | 26,518 | 5.5 | 3.50% |
| 13 | ↓ | 12 | MongoDB | Document | 25,418 | 10.0 | 3.36% |
| 14 | ↑↑ | 16 | TimescaleDB | Time Series | 16,472 | 9.8 | 2.18% |
| 15 | - | 15 | PouchDB | Document | 16,289 | 9.3 | 2.15% |
| 16 | ↓↓ | 14 | Realm | Relational | 16,135 | 9.1 | 2.13% |
| 17 | - | 17 | Presto | Relational | 15,591 | 9.9 | 2.06% |
| 18 | ↑↑ | 20 | PostgreSQL | Relational | 14,673 | 10.0 | 1.94% |
| 19 | ↑↑↑ | 22 | QuestDB | Time Series | 13,448 | 9.7 | 1.78% |
| 20 | ↓↓ | 18 | ArangoDB | Graph Document | 13,340 | 9.9 | 1.76% |
| 21 | ↓↓ | 19 | Memcached | Key-value | 13,199 | 8.4 | 1.74% |
| 22 | ↓ | 21 | Neo4j | Graph | 12,454 | 9.9 | 1.65% |
| 23 | ↑↑↑ | 26 | KeyDB | Key-value | 10,680 | 8.4 | 1.41% |
| 24 | ↓ | 23 | MySQL | Relational | 10,244 | 9.8 | 1.35% |
| 25 | - | 25 | Apache Cassandra | Column | 8,510 | 9.9 | 1.12% |
| 26 | ↓↓ | 24 | SSDB | Key-value | 8,133 | 0.0 | 1.07% |
| 27 | - | 27 | Greenplum | Relational | 6,199 | 9.9 | 0.82% |
| 28 | - | 28 | CouchDB | Document | 6,015 | 9.5 | 0.79% |
| 29 | ↑ | 30 | Hazelcast | Relational | 5,861 | 9.9 | 0.77% |
| 30 | ↓ | 29 | Graphite | Time Series | 5,839 | 5.4 | 0.77% |
| 31 | ↑↑ 6 | 37 | SQLite | Relational | 5,465 | 0.0 | 0.72% |
| 32 | ↑ | 33 | Apache Hive | Relational | 5,326 | 9.6 | 0.70% |
| 33 | ↓ | 32 | MariaDB | Relational | 5,298 | 9.9 | 0.70% |
| 34 | ↓↓↓ | 31 | Apache HBase | Column | 5,117 | 9.6 | 0.68% |
| 35 | ↓ | 34 | OrientDB | Key-value Document | 4,691 | 9.8 | 0.62% |
| 36 | ↓ | 35 | Apache Ignite | Key-value Relational | 4,686 | 9.5 | 0.62% |
| 37 | ↓ | 36 | Apache Solr | Search Engine | 4,365 | 0.0 | 0.58% |
| 38 | - | 38 | H2 | Relational | 4,048 | 9.1 | 0.53% |
| 39 | - | 39 | Hive | Key-value | 3,874 | 5.0 | 0.51% |
| 40 | - | 40 | RavenDB | Document | 3,439 | 10.0 | 0.45% |
| 41 | ↑↑ | 43 | Apache AGE | Graph Relational | 2,671 | 8.8 | 0.35% |
| 42 | ↓ | 41 | Ehcache | Key-value | 1,963 | 5.2 | 0.26% |
| 43 | ↓ | 42 | Sphinx | Search Engine | 1,781 | 0.0 | 0.24% |
| 44 | - | 44 | Firebird | Relational | 1,183 | 9.8 | 0.16% |
| 45 | - | 45 | Infinispan | Key-value | 1,127 | 9.9 | 0.15% |
| 46 | ↑↑ | 48 | Apache Impala | Relational | 1,079 | 9.7 | 0.14% |
| 47 | - | 47 | Apache Accumulo | Column | 1,045 | 9.7 | 0.14% |
| 48 | ↓↓ | 46 | Apache Phoenix | Relational | 1,012 | 8.9 | 0.13% |
| 49 | ↑ | 50 | Aerospike | Key-value NoSQL | 971 | 8.7 | 0.13% |
| 50 | ↓ | 49 | RRDtool | Time Series | 967 | 5.8 | 0.13% |
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.