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
AI-Assisted Development Systems Using Coding Agents South American Databases Below the Equator Systems Public Domain Databases Systems Not Controlled By Any License

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
NuoDB
NuoDB

NuoDB

Relational Database System

NuoDB is a distributed relational database management system. Unlike traditional shared-disk or shared-nothing architectures, NuoDB uses a peer-to-peer messaging protocol to route queries to nodes. N…

Since 2010 Acquired Company Proprietary
Read entry

The Leaderboards

Updated Daily

Most Recent

Newly modified entries
Zu Zu Key-Value 1d ago OctaneDB OctaneDB Vector 1d ago HBase HBase Column Family / Wide-Column 1d ago Drizzle Drizzle Relational 2d ago Valkey Valkey Key-Value 4d ago

Most Viewed

Last 30 days
Oracle Oracle Key-Value · Graph · Triplestore / RDF · Document / XML · Relational +924% Heroic Heroic Key-Value +2517% DynamoDB DynamoDB Document / XML · Key-Value +806% Derby Derby Relational +830% LMDB LMDB Key-Value +263%

Most Edited

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