Leaderboards

Category Statistics

Country of Origin

United States of America 435
China 58
Germany 56
United Kingdom 43
France 28
Russia 26
Canada 23
Sweden 16
Netherlands 14
Japan 14

Compatibility

MySQL MySQL 31
PostgreSQL PostgreSQL 27
Redis Redis 24
MongoDB MongoDB 14
Oracle RDBMS Oracle RDBMS 6
Memcached Memcached 5
SQL Server SQL Server 5
RocksDB RocksDB 5
Neo4j Neo4j 4
Spark SQL Spark SQL 4

Derived From

PostgreSQL PostgreSQL 30
MySQL MySQL 23
Redis Redis 7
Cassandra Cassandra 6
LMDB LMDB 4
RocksDB RocksDB 4
Spark SQL Spark SQL 4
Elasticsearch Elasticsearch 3
PrestoDB PrestoDB 3
CouchDB CouchDB 3

Embeds / Uses

RocksDB RocksDB 20
SQLite SQLite 12
LMDB LMDB 11
MySQL MySQL 10
Berkeley DB Berkeley DB 9
PostgreSQL PostgreSQL 8
LevelDB LevelDB 8
Zookeeper Zookeeper 4
Kyoto Cabinet Kyoto Cabinet 3
BadgerDB BadgerDB 3

Revisions

Oracle RDBMS Oracle RDBMS 86
Heroic Heroic 69
Derby Derby 66
DynamoDB DynamoDB 55
FaunaDB FaunaDB 46
ZODB ZODB 40
Dolt Dolt 39
Bedrock Bedrock 39
Prometheus Prometheus 39
PouchDB PouchDB 38

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 241
Apache v2 187
MIT 90
BSD 48
GPL v2 43
AGPL v3 32
GPL v3 27
LGPL v2 12
Mozilla Public License 11
LGPL v3 8

Implementation

C++ 149
Java 135
C 97
Go 69
C# 30
Rust 27
Python 27
JavaScript 26
Erlang 13
Scala 11

Project Type

Open Source 516
Commercial 444
Academic 77
Hobby 49
Industrial Research 16
Educational 6
Internal / Non-Public 4