Built something? We create video reels & spotlights for GitHub projects.Promote your project →
astral-sh
Home / Rust / ruff

astral-sh/ruff

An extremely fast Python linter and code formatter, written in Rust.

Rust ◇ linter MIT
★49.8KSTARS
⑂2.4KFORKS
!2,197ISSUES
🏆#207GLOBAL RANK
🔥6DAYS TRENDING
🚀
Maintainer Growth Kit for ruff

Claim this project, add your verified backlink badge to your README, and download milestone cards.

Claim Repo

Star History

Continuous Observations
Interactive star growth chart for astral-sh/ruff
CSV

Momentum

+1.2K

STARS · LAST 30 DAYS

42

PER DAY

#26

MOST-STARRED Rust

Window7 days30 days90 days
Stars gained+294+1.2K+3.8K
Per day424242
Forks gained+12+49+122

ruff gained 1.2K stars in the last 30 days, about 42 a day, and now has 49.8K. It is about 4 years old and has averaged roughly 12.5K stars a year. It ranks #26 among Rust repositories and #207 across all languages on GitHubRepo.

Trending Record

ruff has maintained a continuous presence across global trending indexes, peaking at #180. Below is the 30-day activity profile:

💡 Overview

ruff is an open-source project written in Rust: An extremely fast Python linter and code formatter, written in Rust.

Engineered for speed, consistency, and developer ease, it solves common hurdles in linter, pep8, python. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in Rust for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ cargo install ruff

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Rust toolchain (rustc / cargo >= 1.70)

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

ruff coordinates its core functionality through a modular Rust pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Modern Web Interfaces

Build dynamic, responsive user experiences with component-driven architecture.

Enterprise Design Systems

Standardize design tokens, accessible widgets, and themes across engineering teams.

Interactive Data Dashboards

Render real-time telemetry, user feeds, and analytics with sub-millisecond updates.

Cross-Platform Web Apps

Deploy performant single-page applications optimized for both mobile and desktop browsers.

🚀 Getting Started

1

Install ruff using your package manager: `cargo install ruff`

2

Initialize your project workspace or configuration file for ruff.

3

Import ruff into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `ruff --help` to verify successful setup.

👍 Strengths

Active community backing with 49,766 GitHub stars and verified adoption.
Permissive open-source distribution under the MIT license.
Built in Rust for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with Rust and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

C
ultraworkers/claw-code ★ 195.3K Rust

An agent-managed museum exhibit, built in Rust with Gajae-Code / LazyCodex — developed and maintained with no human intervention.

Compare ↗
C

A modern GUI client based on Tauri, designed to run in Windows, macOS and Linux for tailored proxy experience

Compare ↗
C
farion1231/cc-switch ★ 137.5K Rust

A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official website: ccswitch.io

Compare ↗
C
openai/codex ★ 126.7K Rust

Lightweight coding agent that runs in your terminal

Compare ↗

👥 Who Should Use This

Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

astral-sh/ruff is currently ranked #207 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#202 ethereum/go-ethereum Go ★ 51.4K Compare ↗
#203 cypress-io/cypress TypeScript ★ 51K Compare ↗
#204 apple/container Swift ★ 50.2K Compare ↗
#205 ClickHouse/ClickHouse C++ ★ 50.1K Compare ↗
#206 huginn/huginn Ruby ★ 50K Compare ↗
#207 astral-sh/ruff This Project Rust ★ 49.8K
#208 moeru-ai/airi TypeScript ★ 49.6K Compare ↗
#209 mudler/LocalAI Go ★ 49.3K Compare ↗
#210 QuantumNous/new-api Go ★ 49K Compare ↗
#211 HKUDS/nanobot Python ★ 48.6K Compare ↗
#212 bevyengine/bevy Rust ★ 48.4K Compare ↗

Frequently Asked Questions

What does ruff do? +

An extremely fast Python linter and code formatter, written in Rust.

What language is ruff written in? +

The primary language is Rust. Topics include: linter, pep8, python, python3, ruff.

Is ruff actively maintained? +

Yes, the last recorded push was on Sep 27, 2026 with 2,197 open issues being tracked.

How many stars does ruff have? +

ruff has 49,811 stars and 2,449 forks on GitHub.

How does ruff rank among GitHub repositories? +

With 49,811 stars, astral-sh/ruff is ranked #207 globally across all repositories tracked on GitHubRepo and #26 among Rust projects.

What license is ruff distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

From our network
FOR MAINTAINERS

Built something? Put it in front of millions of developers.

We make a short reel about your project and post it across YouTube, Instagram, Threads, and X. Send a link, we do the rest.