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
Google Database Systems Database systems developed by Google Acquired Database Companies Systems acquired by another company CMU Databases Systems Carnegie Mellon University

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
PostgreSQL
PostgreSQL

PostgreSQL

Relational Database System

PostgreSQL is an object-relational database based on Postgres, developed from University of California at Berkeley. It is ACID-compilant and supports materialized view, stored functions, triggers, an…

Since 1986 OLTP PostgreSQL License
Read entry

The Leaderboards

Updated Daily

Most Recent

Newly modified entries
Dremio Dremio Relational 1d ago SwellDB SwellDB Relational 2d ago RedoxQL RedoxQL Relational 5d ago LeanStore LeanStore Key-Value 5d ago CloverDB CloverDB Document / XML 6d ago

Most Viewed

Last 30 days
Oracle Oracle Key-Value · Graph · Triplestore / RDF · Document / XML · Relational +102% Heroic Heroic Key-Value +325% Derby Derby Relational +229% DynamoDB DynamoDB Document / XML · Key-Value +137% Kdb+ Kdb+ Relational +215%

Most Edited

Last 30 days
DuckDB DuckDB Relational 2 HBase HBase Column Family / Wide-Column 2 turbopuffer turbopuffer Vector 2 AnnDB AnnDB Vector 1 CloverDB CloverDB Document / XML 1