Metabase is an easy, open source of data access for everyone in the company. It allows you to compose dashboards and separate queries using the graphical interface. More advanced users can write queries in SQL or other supported languages. Metabase connects to several databases simultaneously and is able to combine results from multiple databases simultaneously.

1. A great alternative to deploy Business Intelligence in a company at a low cost
2. Supported databases: Postgres, MySQL, SQL Server, Mongodb, Redshift, BigQuery, Oracle, SQLite, Druid and many more
3. Open-source project: https://metabase.com/