Duckle provides local-first ETL and ELT pipelines powered by DuckDB. It is distributed as a Python package with a headless CLI for running data integration and transformation workflows. The tool emphasizes privacy, simplicity, and running entirely on the user's machine without external service dependencies. It is open source under the Apache-2.0 license.
duckle sits in PulseGate's Developer Tools category. It focuses on building and running data integration and transformation pipelines locally without complex infrastructure or cloud dependencies. duckle is an open-source project aimed at data engineers. The project is open source (Apache-2.0). It runs on the web and the command line, and it can be self-hosted.
It is developed by Slothflow Labs, and the product first shipped in 2026. The project is developed in the open on GitHub with 834 stars and 838 commits in the last 90 days. Among its 5 catalogued features are ETL pipelines, ELT pipelines, and duckDB integration.
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