An extremely fast Python linter and code formatter, written in Rust.
⚡ Executive Summary & Quick Facts
Authoritative Sourceruff is ruff is an open-source project written in Rust: An extremely fast Python linter and code formatter, written in Rust..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), astral-sh/ruff has accumulated 51,211 GitHub stars and 2,659 forks. It is written in Rust, licensed under MIT, and ranks #266 globally. It is actively maintained with the latest commit recorded on Nov 11, 2026.”
| Repository | astral-sh/ruff ↗ |
|---|---|
| Primary Category | linter |
| Language & Stack | Rust |
| Software License | MIT |
| Community Traction | ★ 51.2K stars · ⑂ 2.7K forks · #266 globally |
| Maintenance | ● Active (Last commit: Nov 11, 2026) · 2,294 open issues |
| Target Audience | Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 90/100 · Grade AYes, ruff is actively maintained. Continuous telemetry recorded the last code commit on Nov 11, 2026 (2 days ago). Supported by 51,211 stars and 2,659 community forks, this repository holds a calculated health index of 90/100, reflecting very active (commits within last 14 days) and high open issue volume (2,294 open).
Star History
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Momentum
+1.2K
STARS · LAST 30 DAYS
39
PER DAY
#28
MOST-STARRED Rust
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +842 | +1.2K | +3.5K |
| Per day | 120 | 39 | 39 |
| Forks gained | +88 | +164 | +133 |
ruff gained 1.2K stars in the last 30 days, about 39 a day, and now has 51.2K. It is about 4 years old and has averaged roughly 12.8K stars a year. It ranks #28 among Rust repositories and #266 across all languages on GitHubRepo.
Trending Record
45
DAYS ON TRENDING
#180
BEST RANK
Sep 23, 2026
FIRST APPEARANCE
Active
STATUS TODAY
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
Optimized execution pipeline written in Rust for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ 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
Install ruff using your package manager: `cargo install ruff`
Initialize your project workspace or configuration file for ruff.
Import ruff into your codebase or invoke it directly from your terminal.
Execute your test suite or run `ruff --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 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 #266 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #261 | QuantumNous/new-api | Go | ★ 51.7K | Compare ↗ |
| #262 | skylot/jadx | Java | ★ 51.5K | Compare ↗ |
| #263 | roboflow/supervision | Python | ★ 51.5K | Compare ↗ |
| #264 | ethereum/go-ethereum | Go | ★ 51.4K | Compare ↗ |
| #265 | moeru-ai/airi | TypeScript | ★ 51.3K | Compare ↗ |
| #266 | astral-sh/ruff This Project | Rust | ★ 51.2K | |
| #267 | apple/container | Swift | ★ 51K | Compare ↗ |
| #268 | cypress-io/cypress | TypeScript | ★ 51K | Compare ↗ |
| #269 | ClickHouse/ClickHouse | C++ | ★ 50.9K | Compare ↗ |
| #270 | nlohmann/json | C++ | ★ 50.8K | Compare ↗ |
| #271 | TanStack/query | TypeScript | ★ 50.4K | Compare ↗ |
Frequently Asked Questions
What does ruff do? +
An extremely fast Python linter and code formatter, written in Rust.
Is ruff actively maintained in 2026? +
Yes, ruff is actively maintained. The latest code push was recorded on Nov 11, 2026 (2 days ago). It holds a calculated Maintenance Health Score of 90/100 (A rating) with 51,211 stars and 2,294 open issues.
What language is ruff written in? +
The primary language is Rust. Topics include: linter, pep8, python, python3, ruff.
How many stars does ruff have? +
ruff has 51,211 stars and 2,659 forks on GitHub.
How does ruff rank among GitHub repositories? +
With 51,211 stars, astral-sh/ruff is ranked #266 globally across all repositories tracked on GitHubRepo and #28 among Rust projects.
What license is ruff distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.