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
NoSQL Database Systems They Hated SQL Until They Loved It Obscure Programming Languages Systems Writtens In Uncommon Languages CNCF Database Systems Cloud Native Computing Foundation

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
RedoxQL RedoxQL Relational 1d ago LeanStore LeanStore Key-Value 2d ago CloverDB CloverDB Document / XML 2d ago HerdDB HerdDB Relational 10d ago Zu Zu Key-Value 13d ago

Most Viewed

Last 30 days
Oracle Oracle Key-Value · Graph · Triplestore / RDF · Document / XML · Relational +156% Heroic Heroic Key-Value +420% Derby Derby Relational +241% DynamoDB DynamoDB Document / XML · Key-Value +167% Kdb+ Kdb+ Relational +309%

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