Sure, PowerBI is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: Superset , Metabase .

So is Superset

Data visualization and exploration
★ 74.4K Data visualization Data Business Intelligence License: Apache-2.0
Superset is a modern data exploration and data visualization platform. Superset can replace or augment proprietary business intelligence tools for many teams. Superset integrates well with a variety of data sources.

Read more about Superset
So is Metabase

Business Intelligence for everyone
★ 48.9K Business Intelligence Analytics License: AGPL
Metabase is the easy, open-source way for everyone in your company to ask questions and learn from data.

Read more about Metabase