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
MIT Database Systems Massachusetts Institute of Technology MMAP Database Systems Going Through Life the Hard Way Databases Written in Rust A Hot Language for Hot Systems

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 6d ago Zu Zu Key-Value 9d ago OctaneDB OctaneDB Vector 10d ago HBase HBase Column Family / Wide-Column 10d ago Drizzle Drizzle Relational 10d ago

Most Viewed

Last 30 days
Oracle Oracle Key-Value · Graph · Triplestore / RDF · Document / XML · Relational +270% Heroic Heroic Key-Value +511% DynamoDB DynamoDB Document / XML · Key-Value +420% Derby Derby Relational +262% LMDB LMDB Key-Value +150%

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