Leaderboards

Category Statistics

Country of Origin

United States of America 502
China 86
Germany 71
United Kingdom 60
Canada 33
France 31
Russia 28
Japan 19
Sweden 18
Netherlands 17

Compatibility

MySQL MySQL 41
PostgreSQL PostgreSQL 41
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 24
Redis Redis 9
Cassandra Cassandra 6
RocksDB RocksDB 6
ClickHouse ClickHouse 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
DynamoDB DynamoDB 55
RedisGraph RedisGraph 55
Umbra Umbra 47
FaunaDB FaunaDB 47
TileDB TileDB 42
Bedrock Bedrock 41
ZODB ZODB 40

Views

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

License

Proprietary 291
Apache v2 262
MIT 126
BSD 54
AGPL v3 46
GPL v2 45
GPL v3 35
Mozilla Public License 16
LGPL v2 12
Business Source License 11

Implementation

C++ 191
Java 151
C 120
Go 97
Rust 71
Python 46
C# 34
JavaScript 31
Erlang 13
Scala 12

Project Type

Open Source 666
Commercial 533
Hobby 119
Academic 86
Industrial Research 18
Educational 8
Internal / Non-Public 6