Awesome Duckdb

Python SQL Parser and Transpiler

A lightweight data processing framework built on DuckDB and 3FS.

Preswald is a WASM packager for Python-based interactive data apps: bundle full complex data workflows, particularly visualizations, into single files, runnable completely in-browser, using Pyodide, DuckDB, Pandas, and Plotly, Matplotlib, etc. Build dashboards, reports, and notebooks that run offline, load fast, and share like a document.

Scalable and efficient data transformation framework - backwards compatible with dbt.

Fast, accurate and scalable probabilistic data linkage with support for multiple SQL backends

A unified interface for distributed computing. Fugue executes SQL, Python, Pandas, and Polars code on Spark, Dask and Ray without any rewrites.

Lightweight and extensible compatibility layer between dataframe libraries!

pg_lake: Postgres with Iceberg and data lake access

dbt adapter for DuckDB

DuckDB for streaming data

Monte Carlo simulation of the NBA season, leveraging dbt, duckdb and evidence.dev

Turning PySpark Into a Universal DataFrame API

SQLAlchemy driver for DuckDB

⚽️ Extract, prepare and publish Transfermarkt datasets.

QuackOSM: an open-source Python and CLI tool for reading OpenStreetMap PBF files using DuckDB

The smallest DuckDB SQL orchestrator on Earth.

A playground for running duckdb as a stateless query engine over a data lake

Packaging DuckDB for Node.js Lambda functions. Example application: https://github.com/tobilg/serverless-duckdb

Fast similarity search using DuckDB

This repo contains information about DuckDB extensions found on GitHub. Refreshed daily

The universal metrics layer. Compatible with 15+ formats: Cube, MetricFlow, LookML, Omni, BSL, LDM, Cortex, Malloy, OSI, SML, TML, Hex, Rill, Superset

Fast, accurate, open-source geocoding in Python

Open-source Semantic Sidecar for AI, analytics, and governed data systems. Compiles declarative YAML models into optimized SQL, semantic context, KPIs, and DQ rules.

convert sqlite database to duckdb database

Play the New York Times Connections puzzle with DuckDB!

A Slackbot built on DuckDB & Claude Code that answers data questions from Slack

🦆 A pre-built AWS Lambda Layer containing DuckDB for Python

Data preparation for object-centric process mining

Virtual warehouse — SQL + Jupyter + AI over cloud Parquet via DuckDB

Your data, explored locally — and your AI agents kept on a leash. A federated data explorer with governed agentic access.

YAML-based data pipeline framework that runs both locally and fully in-browser designed for data engineers, ML teams, and SaaS developers who need flexible, SQL-powered pipelines.