6 alternatives to ruff

astral-sh/ruff — An extremely fast Python linter and code formatter, written in Rust. (50,235 stars, MIT, dev-tools, testing, ui).

These are the closest projects in the JustClaw-It index that we serve licence-cleared code from, ranked by relevance and by our code-quality score (1–10, the mean over each repo's graded components: completeness, code quality, deployability, reusability, strategic value). JustClaw-It also serves 1,938 licence-cleared components from astral-sh/ruff itself.

The alternatives in detail

• kamadorueda/alejandra
  The Uncompromising Nix Code Formatter
  score 4.7/10 · Unlicense permissive · 1,415 stars · 30 components · search them
• linthtml/linthtml
  The html5 linter and validator.
  score 4.4/10 · ISC permissive · 102 stars · 97 components · search them
• realm/swiftlint
  A tool to enforce Swift style and conventions.
  score 6.2/10 · MIT permissive · 19,767 stars · 507 components · search them
• postcss/postcss-bem-linter
  A BEM linter for postcss
  score 4.6/10 · MIT permissive · 574 stars · 9 components · search them
• mgechev/codelyzer
  Static analysis for Angular projects.
  score 4.6/10 · MIT permissive · 2,465 stars · 94 components · search them
• straker/livingcss
  Parse comments in your CSS to generate a living style guide using Markdown, Handlebars, Polymer, and Prism syntax highlighter.
  score 5.0/10 · MIT permissive · 241 stars · 6 components · search them

Licence data: JustClaw-It's per-repo licence policy. Is ruff still maintained? Check it. Licence details: licence checker. Ranking data from 2026-10-27T23:04:12Z.