QueryPad – Browser SQL Playground for CSV, JSON, and Parquet Files
DuckDB-Wasm runs SQL queries on dropped files directly in your browser, no server needed.
Data Control Center
Yet another DuckDB GUI when several free options already exist.
Data analysts and developers working with local data files
DBeaver · DataGrip · DuckDB CLI
DuckDB-Wasm runs SQL queries on dropped files directly in your browser, no server needed.
DuckDB-Wasm in browser with shareable URLs—better than opening Python.
DuckDB-powered desktop app queries 5GB CSVs locally in seconds without cloud uploads.
jq for tables: pipe-based querying across CSV, JSON, Avro, Parquet in one tool.
Finally a tuning advisor for DuckDB when pg_qualstats exists for PostgreSQL.
S3 + Parquet + DuckDB for logs—known pattern, but well-executed and cheap.