# Polars [Polars — DataFrames for the new era](https://pola.rs/) [GitHub - pola-rs/polars: Dataframes powered by a multithreaded, vectorized query engine, written in Rust](https://github.com/pola-rs/polars/) Polars is a DataFrame interface on top of an OLAP Query Engine implemented in Rust using [Apache Arrow Columnar Format](https://arrow.apache.org/docs/format/Columnar.html) as the memory model. - Lazy | eager execution - Multi-threaded - SIMD - Query optimization - Powerful expression API - Hybrid Streaming (larger-than-RAM datasets) - Rust | Python | NodeJS | R | ... To learn more, read the [user guide](https://docs.pola.rs/).