DBDB.io The Encyclopedia of Database Systems · Est. 2017
Login

Database of Databases

A curated reference guide for implementations of the world's most important type of software.

↵ to browse
Browse All Leaderboards New in 2026
Oracle Acquisitions When Larry Ellison Bought Something! South American Databases Below the Equator Systems Redis Compatible Systems You Can't Taste the Difference!

Browse by Data Model

14 Models
Relational 473 Key-Value 248 Document / XML 217 Graph 91 Object-Oriented 64 Vector 50 Triplestore / RDF 28 Column Family / Wide-Column 28 Array / Matrix 22 Network 10 Multi-Value 7 Hierarchical 7 Entity-Relationship 4 Entity-Attribute-Value 2

Featured System

Updated Weekly
OrientDB
OrientDB

OrientDB

Key-Value Database System

OrientDB is a multi-model NoSQL DBMS that supports graph, documents, key-value, and object-oriented storage. Instead of just implementing another layer with an API, OrientDB integrates those models. …

Since 2010 Acquired Company Apache v2
Read entry

The Leaderboards

Updated Daily

Most Recent

Newly modified entries
HerdDB HerdDB Relational 3d ago Zu Zu Key-Value 7d ago OctaneDB OctaneDB Vector 7d ago HBase HBase Column Family / Wide-Column 8d ago Drizzle Drizzle Relational 8d ago

Most Viewed

Last 30 days
Oracle Oracle Key-Value · Graph · Triplestore / RDF · Document / XML · Relational +360% Heroic Heroic Key-Value +634% Derby Derby Relational +341% DynamoDB DynamoDB Document / XML · Key-Value +390% LMDB LMDB Key-Value +186%

Most Edited

Last 30 days
DuckDB DuckDB Relational 2 HBase HBase Column Family / Wide-Column 2 turbopuffer turbopuffer Vector 2 AnnDB AnnDB Vector 1 ClickHouse Cloud ClickHouse Cloud Relational 1