Wiki Databases

See also: Database Families.

Documents Oriented Databases and Key-Value Stores

CouchDB
MongoDB
RethinkDB

Graph Oriented Databases

Geographic Information Systems

Database Postgis

Relational Databases

Relational database search tree: http://howfuckedismydatabase.com/

MySQL
PostgreSQL

Round Robin / Time Series Oriented Databases

Time Series Oriented Databases (TSDB)

Previously on homepage, sorting needed

Presto