Rust-native DataFrame library that's the modern challenger to pandas. Often 10× faster on large data; rapidly winning ML/analytics workflows.
From Wikipedia
Polars is an open-source software library for data manipulation. Polars is built with an OLAP query engine implemented in Rust using Apache Arrow Columnar Format as the memory model. Although built using Rust, there are Python, Node.js, R, and SQL API interfaces to use Polars.