Business Intelligence is a technology which provides the historical, and current view of business operations. In same cases, the future views are provided with leverage of predictive analytics. The presented information help end-users make data-driven decisions - the Decision Support Systems (DSS).

Usually, Business Intelligence system consists of:

• querying layer
• reporting layer
• notification layer

Business Intelligence open source software

• Apache Superset is a modern, enterprise-ready business intelligence web application
• Redash allows to connect most of the database sources and easily visualize SQL queries
• Metabase allows for non-technical users to get insights from databases without need to write SQL queries