Leaderboards

Category Statistics

Country of Origin

United States of America 449
China 63
Germany 59
United Kingdom 49
France 28
Russia 27
Canada 25
Sweden 16
Netherlands 14
Japan 14

Compatibility

MySQL MySQL 33
PostgreSQL PostgreSQL 31
Redis Redis 24
MongoDB MongoDB 15
Oracle RDBMS Oracle RDBMS 7
Memcached Memcached 5
SQL Server SQL Server 5
RocksDB RocksDB 5
Neo4j Neo4j 5
Prometheus Prometheus 5

Derived From

PostgreSQL PostgreSQL 33
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 23
LMDB LMDB 12
SQLite SQLite 12
Berkeley DB Berkeley DB 11
MySQL MySQL 10
LevelDB LevelDB 10
PostgreSQL PostgreSQL 8
HBase HBase 5
Zookeeper Zookeeper 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 248
Apache v2 210
MIT 96
BSD 47
GPL v2 43
AGPL v3 37
GPL v3 27
Mozilla Public License 13
LGPL v2 12
LGPL v3 8

Implementation

C++ 155
Java 140
C 101
Go 72
Rust 41
C# 32
Python 29
JavaScript 26
Erlang 13
Scala 12

Project Type

Open Source 549
Commercial 466
Academic 80
Hobby 60
Industrial Research 16
Educational 6
Internal / Non-Public 5