MySQL - The world's most popular open source database
Alteryx - Alteryx provides an indispensable and easy-to-use analytics platform for enterprise companies making critical decisions that drive their business strategy and growth.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Tableau Prep - Tableau Prep is comprised of two products: Prep Builder and Prep Conductor.
SQLite - SQLite Home Page
Trifacta - Data Transformation Platform.