WhatTheDuck is an open-source web application built on DuckDB. It allows users to upload CSV and Parquet files, store them in tables, and perform SQL queries on the data.WhatTheDuck is a Python library available on GitHub that serves as a high-performance bridge for seamless data transfer and integration between the DuckDB analytical database and Pandas DataFrames.

Sekuel provides artisanal analytics services, along with practical learning materials for SQL and a zero-setup online DuckDB Playground for users to practice and experiment with data queries.