Leaderboards

Category Statistics

Country of Origin

United States of America 487
China 80
Germany 67
United Kingdom 58
Canada 31
France 30
Russia 27
Sweden 18
Japan 17
Netherlands 16

Compatibility

MySQL MySQL 39
PostgreSQL PostgreSQL 39
Redis Redis 28
MongoDB MongoDB 16
Prometheus Prometheus 9
Oracle RDBMS Oracle RDBMS 7
RocksDB RocksDB 6
Memcached Memcached 5
SQL Server SQL Server 5
Elasticsearch Elasticsearch 5

Derived From

PostgreSQL PostgreSQL 33
MySQL MySQL 22
Redis Redis 9
Cassandra Cassandra 6
ClickHouse ClickHouse 5
RocksDB RocksDB 5
LMDB LMDB 4
Spark SQL Spark SQL 4
Elasticsearch Elasticsearch 3
Cloud BigTable Cloud BigTable 3

Embeds / Uses

RocksDB RocksDB 29
LMDB LMDB 15
SQLite SQLite 14
PostgreSQL PostgreSQL 12
Berkeley DB Berkeley DB 12
LevelDB LevelDB 11
MySQL MySQL 11
FoundationDB FoundationDB 6
DataFusion DataFusion 6
Cassandra Cassandra 5

Revisions

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

Views

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

License

Proprietary 274
Apache v2 253
MIT 119
BSD 51
AGPL v3 45
GPL v2 43
GPL v3 32
Mozilla Public License 14
LGPL v2 12
LGPL v3 9

Implementation

C++ 181
Java 149
C 116
Go 91
Rust 62
Python 43
C# 34
JavaScript 30
Erlang 13
Scala 12

Project Type

Open Source 637
Commercial 511
Hobby 102
Academic 85
Industrial Research 18
Educational 8
Internal / Non-Public 6