MySQL - The world's most popular open source database
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Lacona - Fast, simple, powerful keyboard-driven commands for Mac
SQLite - SQLite Home Page
Power Menu for Finder - The workflow enhancing Finder extension for Mac