| Rank | Change | 2021 Feb | Project | Features | Stars | Activity | Rating |
|---|---|---|---|---|---|---|---|
| 1 | - | 1 |
Elasticsearch
|
Search Engine | 56,478 | 0.0 | 10.09% |
| 2 | - | 2 |
Redis
|
Key-value | 50,993 | 9.8 | 9.11% |
| 3 | - | 3 |
prometheus
|
Time Series | 38,731 | 9.8 | 6.92% |
| 4 | - | 4 |
etcd
|
Key-value | 37,203 | 9.7 | 6.65% |
| 5 | - | 5 |
Apache Spark
|
Relational | 30,844 | 10.0 | 5.51% |
| 6 | ↑ | 7 |
LevelDB
|
Key-value | 26,392 | 5.3 | 4.72% |
| 7 | ↓ | 6 |
RethinkDB
|
Document | 24,954 | 2.6 | 4.46% |
| 8 | - | 8 |
InfluxDB
|
Time Series | 22,086 | 9.7 | 3.95% |
| 9 | - | 9 |
cockroach
|
Relational | 22,057 | 10.0 | 3.94% |
| 10 | ↑ | 11 |
RocksDB
|
Key-value | 20,744 | 9.8 | 3.71% |
| 11 | ↓ | 10 |
MongoDB
|
Document | 20,417 | 0.0 | 3.65% |
| 12 | - | 12 |
ClickHouse
|
Column | 19,072 | 10.0 | 3.41% |
| 13 | - | 13 |
Realm
|
Relational | 14,620 | 9.4 | 2.61% |
| 14 | - | 14 |
PouchDB
|
Document | 14,381 | 6.6 | 2.57% |
| 15 | - | 15 |
Presto
|
Relational | 12,410 | 9.8 | 2.22% |
| 16 | ↑↑ | 18 |
TimescaleDB
|
Time Series | 11,694 | 9.5 | 2.09% |
| 17 | ↓ | 16 |
ArangoDB
|
Graph Document | 11,613 | 9.8 | 2.07% |
| 18 | ↓ | 17 |
Memcached
|
Key-value | 11,209 | 6.2 | 2.00% |
| 19 | - | 19 |
Neo4j
|
Graph | 9,301 | 9.9 | 1.66% |
| 20 | - | 20 |
PostgreSQL
|
Relational | 8,901 | 10.0 | 1.59% |
| 21 | - | - |
SSDB
|
Key-value | 7,525 | 1.4 | 1.34% |
| 22 | - | 22 |
MySQL
|
Relational | 6,925 | 9.9 | 1.24% |
| 23 | ↓↓ | 21 |
Apache Cassandra
|
Column | 6,855 | 9.6 | 1.22% |
| 24 | ↓ | 23 |
Graphite
|
Time Series | 5,323 | 6.9 | 0.95% |
| 25 | ↓ | 24 |
CouchDB
|
Document | 5,055 | 9.1 | 0.90% |
| 26 | - | - |
KeyDB
|
Key-value | 4,845 | 9.7 | 0.87% |
| 27 | ↓↓ | 25 |
Greenplum
|
Relational | 4,753 | 9.8 | 0.85% |
| 28 | ↑↑ 7 | 35 |
QuestDB
|
Time Series | 4,667 | 9.5 | 0.83% |
| 29 | ↓↓ | 27 |
Hazelcast
|
Relational | 4,543 | 9.9 | 0.81% |
| 30 | ↓↓ 4 | 26 |
OrientDB
|
Key-value Document | 4,349 | 0.0 | 0.78% |
| 31 | ↓↓ | 29 |
Apache HBase
|
Column | 4,201 | 9.7 | 0.75% |
| 32 | ↓↓ 4 | 28 |
Apache Solr
|
Search Engine | 4,175 | 9.5 | 0.75% |
| 33 | ↓↓↓ | 30 |
Apache Ignite
|
Key-value Relational | 3,975 | 9.7 | 0.71% |
| 34 | ↓↓↓ | 31 |
MariaDB
|
Relational | 3,939 | 10.0 | 0.70% |
| 35 | ↓↓↓ | 32 |
Apache Hive
|
Relational | 3,903 | 9.8 | 0.70% |
| 36 | ↓↓↓ | 33 |
H2
|
Relational | 2,966 | 9.2 | 0.53% |
| 37 | ↓↓↓ | 34 |
RavenDB
|
Document | 2,791 | 10.0 | 0.50% |
| 38 | ↓↓ | 36 |
Hive
|
Key-value | 2,520 | 8.2 | 0.45% |
| 39 | ↓ | 38 |
Ehcache
|
Key-value | 1,712 | 7.4 | 0.31% |
| 40 | ↓↓↓ | 37 |
Sphinx
|
Search Engine | 1,661 | 0.0 | 0.30% |
| 41 | ↑ | 42 |
SQLite
|
Relational | 1,421 | 9.4 | 0.25% |
| 42 | ↓↓ | 40 |
Infinispan
|
Key-value | 902 | 9.7 | 0.16% |
| 43 | ↓↓ 4 | 39 |
Apache Phoenix
|
Relational | 898 | 9.0 | 0.16% |
| 44 | ↓↓↓ | 41 |
Apache Accumulo
|
Column | 886 | 9.4 | 0.16% |
| 45 | ↑↑ | 47 |
Firebird
|
Relational | 846 | 9.5 | 0.15% |
| 46 | ↓↓↓ | 43 |
RRDtool
|
Time Series | 731 | 5.6 | 0.13% |
| 47 | ↓↓↓ | 44 |
Apache Impala
|
Relational | 678 | 9.5 | 0.12% |
| 48 | ↓↓↓ | 45 |
Aerospike
|
Key-value NoSQL | 624 | 0.0 | 0.11% |
| 49 | ↓↓↓ | 46 |
Riak KV
|
Key-value | 559 | 4.4 | 0.10% |
| 50 | - | - |
Apache AGE
|
Graph | 411 | 8.0 | 0.07% |
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.