"What were our top 10 customers last quarter by revenue, as a bar chart?"

DB-GPT translates that to SQL, runs it against your database, and renders the chart. No SQL knowledge required. Fully local. MIT licensed. 17K GitHub stars — almost no English content.

What is DB-GPT?

DB-GPT is an open-source framework that puts a natural language interface on top of your databases. You connect PostgreSQL, MySQL, SQLite, or others — then ask questions in plain English. It generates the SQL, executes it, and can visualize results automatically.

Think Metabase meets AI, but fully self-hosted and free.