MySQL - The world's most popular open source database
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Dagster - The cloud-native open source orchestrator for the whole development lifecycle, with integrated lineage and observability, a declarative programming model, and best-in-class testability.
SQLite - SQLite Home Page
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.