Leaderboards

Category Statistics

Country of Origin

United States of America 497
China 84
Germany 68
United Kingdom 60
Canada 33
France 31
Russia 27
Sweden 18
Japan 18
Netherlands 17

Compatibility

PostgreSQL PostgreSQL 41
MySQL MySQL 40
Redis Redis 29
MongoDB MongoDB 17
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 23
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 32
SQLite SQLite 17
LMDB LMDB 16
PostgreSQL PostgreSQL 12
Berkeley DB Berkeley DB 12
LevelDB LevelDB 11
MySQL MySQL 11
DataFusion DataFusion 7
FoundationDB FoundationDB 6
Zookeeper Zookeeper 5

Revisions

Oracle RDBMS Oracle RDBMS 86
Heroic Heroic 69
Derby Derby 67
RedisGraph RedisGraph 55
DynamoDB DynamoDB 55
FaunaDB FaunaDB 47
Umbra Umbra 47
TileDB TileDB 42
Bedrock Bedrock 41
Gel Gel 40

Views

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

License

Proprietary 285
Apache v2 261
MIT 124
BSD 53
AGPL v3 46
GPL v2 43
GPL v3 34
Mozilla Public License 16
LGPL v2 12
Business Source License 11

Implementation

C++ 185
Java 151
C 120
Go 95
Rust 70
Python 45
C# 34
JavaScript 31
Erlang 13
Scala 12

Project Type

Open Source 659
Commercial 525
Hobby 117
Academic 85
Industrial Research 18
Educational 8
Internal / Non-Public 6