Dummy BI Engine
Power BI semantics on open infrastructure.
Dummy BI Engine is a DAX-to-DuckDB compiler. It translates DAX expressions — measures, calculated columns, filter context, time intelligence, iterators — into DuckDB SQL. Your semantic model runs on open infrastructure. No VertiPaq, no Microsoft licence required.
Compiles DAX to SQL deterministically
Supports relationships, RLS, calculation groups, field parameters
React BI runtime with crossfiltering, slicers, 33+ visual types