In 2022, Charlie Marsh wrote a fast open source Python linter in Rust. Since Now, Ruff gets millions of downloads per week, as Marsh learned the power of open source.

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The New Stack

Ruff, a high-performance Python linter written in Rust by Astral Software, has quickly become a success story in the open-source community. Launched by Charlie Marsh, Ruff aims to consolidate multiple Python development tools into one fast and adoptable solution. With millions of downloads, it offers features like performance and auto-fixes, serving as a drop-in replacement for tools such as Flake8 and isort. Future plans for Ruff include advanced type inference and cross-file analysis. Astral Software continues to expand its toolkit, recently adding the uv package installer, also written in Rust.

The Python Linter Ruff Is a Win for Open Source — and Rust

<p>I’ve been using <strong>Ruff</strong> for 2 years now and it works perfectly. It has <code>--fix</code> option which is really useful.</p>
