Leaderboards

Category Statistics

Country of Origin

United States of America 474
China 75
Germany 63
United Kingdom 53
France 30
Canada 27
Russia 27
Sweden 17
Netherlands 15
Japan 14

Compatibility

MySQL MySQL 39
PostgreSQL PostgreSQL 37
Redis Redis 25
MongoDB MongoDB 16
Oracle RDBMS Oracle RDBMS 8
Prometheus Prometheus 7
RocksDB RocksDB 6
Memcached Memcached 5
SQL Server SQL Server 5
Neo4j Neo4j 5

Derived From

PostgreSQL PostgreSQL 32
MySQL MySQL 22
Redis Redis 7
Cassandra Cassandra 6
LMDB LMDB 4
Spark SQL Spark SQL 4
RocksDB RocksDB 4
Elasticsearch Elasticsearch 3
Cloud BigTable Cloud BigTable 3
CouchDB CouchDB 3

Embeds / Uses

RocksDB RocksDB 28
LMDB LMDB 14
SQLite SQLite 14
PostgreSQL PostgreSQL 12
LevelDB LevelDB 11
MySQL MySQL 11
Berkeley DB Berkeley DB 11
FoundationDB FoundationDB 6
Cassandra Cassandra 5
HBase HBase 5

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
Prometheus Prometheus 40

Views

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

License

Proprietary 269
Apache v2 232
MIT 108
BSD 49
GPL v2 44
AGPL v3 41
GPL v3 29
Mozilla Public License 13
LGPL v2 12
LGPL v3 8

Implementation

C++ 170
Java 145
C 111
Go 84
Rust 49
Python 40
C# 32
JavaScript 29
Erlang 13
Scala 12

Project Type

Open Source 596
Commercial 500
Academic 83
Hobby 81
Industrial Research 16
Educational 7
Internal / Non-Public 6