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

⚽️ Extract, prepare and publish Transfermarkt datasets.

SQLAlchemy driver for DuckDB

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

Source-available semantic layer and sidecar for agentic AI and governed analytics. Compiles declarative YAML models into optimized SQL, KPIs, and semantic context across 8 SQL dialects.

Convert a SQLite database into a DuckDB database — tables, indexes and views, in one command

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

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

Data preparation for object-centric process mining

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

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.