Is Polars free and open source?

Yes. Polars is free and open source, released under the MIT license. You can view and contribute to the source at https://github.com/pola-rs/polars.

What language is Polars written in?

Polars is primarily written in Rust.

Other open-source data & databases tools on OSSDrop include Apache Superset, Chart.js, Apache ECharts, scikit-learn.

Curated

A DataFrame library and query engine written in Rust, with Python and other bindings.

Data & Databases·MIT·Rust·39.5k stars·rs-0.55.2·added 2026-08-22

Curated listing — added by OSSDrop, not the maker.

#1 Tool of the Day· Aug 22, 2026

Add this to your site or README. It shows your live OSSDrop standing and links back — no account needed.

HTML

<a href="https://ossdrop.com/tool/polars"><img src="https://ossdrop.com/badge/polars" width="250" height="56" alt="Polars on OSSDrop" /></a>

Markdown

[![Polars on OSSDrop](https://ossdrop.com/badge/polars)](https://ossdrop.com/tool/polars)

What is Polars?
Polars is an open-source data & databases tool — A DataFrame library and query engine written in Rust, with Python and other bindings. It is written in Rust.
Is Polars free and open source?
Yes. Polars is free and open source, released under the MIT license. You can view and contribute to the source at https://github.com/pola-rs/polars.
What language is Polars written in?
Polars is primarily written in Rust.
What are open-source alternatives to Polars?
Other open-source data & databases tools on OSSDrop include Apache Superset, Chart.js, Apache ECharts, scikit-learn.

No comments yet.