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2 tools

Apache Software Foundation · Analytical engines & OLAP

Extensible Rust query engine built on Apache Arrow offering SQL and DataFrame APIs, Parquet readers and an optimizer for embedding in data systems

Apache-2.0Open sourceFreeLocalNov 2, 2026

DuckDB Foundation / DuckDB Labs · Analytical engines & OLAP

In-process analytical SQL database that queries Parquet, CSV and Arrow data directly from Python, R, Node or the CLI

MITOpen sourceFreeLocalSelf-hostedNov 2, 2026

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