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Dask developers (open-source community) · Distributed & parallel computing

Python library for parallel and distributed computing that scales pandas, NumPy and custom task graphs from a laptop to a cluster

BSD-3-ClauseOpen sourceFreeLocalSelf-hostedNov 2, 2026

Union.ai (Pandera project, created by Niels Bantilan) · Data quality & validation

Lightweight Python library for declaring and validating DataFrame schemas for pandas, Polars, PySpark and other backends, with type-hint style models

MITOpen sourceFreeLocalNov 2, 2026

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