MySQL - The world's most popular open source database

Domo - Domo: business intelligence, data visualization, dashboards and reporting all together. Simplify your big data and improve your business with Domo's agile and mobile-ready platform.

PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.

Looker - Looker makes it easy for analysts to create and curate custom data experiences—so everyone in the business can explore the data that matters to them, in the context that makes it truly meaningful.

SQLite - SQLite Home Page

Sisense - The BI & Dashboard Software to handle multiple, large data sets.