Leaderboards

Category Statistics

Country of Origin

United States of America 493
China 84
Germany 68
United Kingdom 59
Canada 32
France 30
Russia 27
Sweden 18
Japan 18
Netherlands 17

Compatibility

PostgreSQL PostgreSQL 41
MySQL MySQL 40
Redis Redis 29
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 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 30
SQLite SQLite 16
LMDB LMDB 15
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 67
RedisGraph RedisGraph 55
DynamoDB DynamoDB 55
Umbra Umbra 47
FaunaDB FaunaDB 46
TileDB TileDB 42
Bedrock Bedrock 41
ZODB ZODB 40

Views

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

License

Proprietary 284
Apache v2 258
MIT 123
BSD 51
AGPL v3 45
GPL v2 43
GPL v3 32
Mozilla Public License 15
LGPL v2 12
Business Source License 11

Implementation

C++ 184
Java 149
C 119
Go 93
Rust 67
Python 44
C# 34
JavaScript 31
Erlang 13
Scala 12

Project Type

Open Source 648
Commercial 521
Hobby 111
Academic 85
Industrial Research 18
Educational 8
Internal / Non-Public 6