Poli is described as 'An easy-to-use BI server built for SQL lovers. Power data analysis in SQL and gain faster business insights'. There are three alternatives to Poli for a variety of platforms, including Self-Hosted solutions, Docker, Heroku, Amazon Web Services and Cloudron. The best alternative is Metabase, which is both free and Open Source. Other great apps like Poli are Apache Superset (Free, Open Source) and Meltano (Free).
Apache Superset is a data exploration and visualization web application. Superset provides: * An intuitive interface to explore and visualize datasets, and create interactive dashboards. * A wide array of beautiful visualizations to showcase your data.