Leaderboards

Category Statistics

Country of Origin

United States of America 453
China 65
Germany 60
United Kingdom 49
France 28
Russia 27
Canada 25
Sweden 16
Netherlands 14
Japan 14

Compatibility

PostgreSQL PostgreSQL 33
MySQL MySQL 33
Redis Redis 25
MongoDB MongoDB 15
Oracle RDBMS Oracle RDBMS 7
RocksDB RocksDB 6
Prometheus Prometheus 6
Memcached Memcached 5
SQL Server SQL Server 5
Neo4j Neo4j 5

Derived From

PostgreSQL PostgreSQL 32
MySQL MySQL 23
Redis Redis 7
Cassandra Cassandra 6
LMDB LMDB 4
RocksDB RocksDB 4
Spark SQL Spark SQL 4
Elasticsearch Elasticsearch 3
Cloud BigTable Cloud BigTable 3
CouchDB CouchDB 3

Embeds / Uses

RocksDB RocksDB 26
LMDB LMDB 12
SQLite SQLite 12
Berkeley DB Berkeley DB 11
MySQL MySQL 10
LevelDB LevelDB 10
PostgreSQL PostgreSQL 9
HBase HBase 5
FoundationDB FoundationDB 5
Zookeeper Zookeeper 4

Revisions

Oracle RDBMS Oracle RDBMS 86
Heroic Heroic 69
Derby Derby 66
DynamoDB DynamoDB 55
RedisGraph RedisGraph 55
Umbra Umbra 47
FaunaDB FaunaDB 46
TileDB TileDB 41
ZODB ZODB 40
Bedrock Bedrock 39

Views

NeDB NeDB #01
LevelDB LevelDB #02
BTDB BTDB #03
BoltDB BoltDB #04
HyperDex HyperDex #05
Prometheus Prometheus #06
TiDB TiDB #07
LMDB LMDB #08
RocksDB RocksDB #09
OceanBase OceanBase #10

License

Proprietary 249
Apache v2 214
MIT 96
BSD 48
GPL v2 44
AGPL v3 38
GPL v3 27
Mozilla Public License 13
LGPL v2 12
LGPL v3 8

Implementation

C++ 158
Java 142
C 104
Go 75
Rust 45
Python 33
C# 32
JavaScript 27
Erlang 13
Scala 12

Project Type

Open Source 555
Commercial 470
Academic 81
Hobby 62
Industrial Research 16
Educational 6
Internal / Non-Public 5