Leaderboards

Category Statistics

Country of Origin

United States of America 443
China 61
Germany 56
United Kingdom 47
France 28
Russia 26
Canada 24
Sweden 16
Netherlands 14
Japan 14

Compatibility

MySQL MySQL 33
PostgreSQL PostgreSQL 30
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 31
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 22
SQLite SQLite 12
LMDB LMDB 11
MySQL MySQL 10
Berkeley DB Berkeley DB 10
PostgreSQL PostgreSQL 8
LevelDB LevelDB 8
Zookeeper Zookeeper 4
HBase HBase 4
FoundationDB FoundationDB 4

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 244
Apache v2 197
MIT 94
BSD 48
GPL v2 43
AGPL v3 33
GPL v3 27
LGPL v2 12
Mozilla Public License 12
LGPL v3 8

Implementation

C++ 153
Java 136
C 98
Go 71
Rust 37
C# 30
Python 27
JavaScript 26
Erlang 13
Scala 12

Project Type

Open Source 534
Commercial 453
Academic 79
Hobby 55
Industrial Research 16
Educational 6
Internal / Non-Public 5