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
Microsoft Databases Database Systems Developed by Microsoft CWI Database Systems Centrum Wiskunde & Informatica Canadian Database Systems Build DBMS Indoors When It's Cold Outdoors

Browse by Data Model

14 Models
Relational 477 Key-Value 251 Document / XML 218 Graph 94 Object-Oriented 64 Vector 54 Triplestore / RDF 28 Column Family / Wide-Column 28 Array / Matrix 22 Network 10 Hierarchical 8 Multi-Value 7 Entity-Relationship 4 Entity-Attribute-Value 2

Featured System

Updated Weekly
Solr
Solr

Solr

Document / XML Database System

Solr is an open source NoSQL enterprise search platform built on Apache Lucene. Supporting distributed search and index replication, Solr is highly reliable, scalable and fault tolerant. It runs as a…

Since 2004 AI-Assisted Apache v2
Read entry

The Leaderboards

Updated Daily

Most Recent

Newly modified entries
Eloquera Eloquera Object-Oriented today OlegDB OlegDB Key-Value 5d ago PocketBase PocketBase Relational 7d ago Chroma Chroma Document / XML 10d ago CockroachDB CockroachDB Relational 13d ago

Most Viewed

Last 30 days
Oracle Oracle Key-Value · Graph · Triplestore / RDF · Document / XML · Relational -21% Heroic Heroic Key-Value -32% JanusGraph JanusGraph Graph -14% Dolt Dolt Relational -7% TileDB TileDB Array / Matrix -30%

Most Edited

Last 30 days
HydraDB HydraDB Graph 4 AsaDB AsaDB Relational 3 CamusDB CamusDB Key-Value · Relational 3 JabrDB JabrDB 3 MO Model 204 Entity-Attribute-Value 3