| 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% |
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.