MySQL - The world's most popular open source database
VeloDB - Modern Real-Time Data Warehouse
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Snowflakepowe.red - Snowflake Computing is delivering a data warehouse for the cloud.
SQLite - SQLite Home Page
ClickHouse - ClickHouse is an open-source column-oriented database management system that allows generating analytical data reports in real time.