# Code Quality Tools

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [Psalm](https://www.vioscale.ai/software/psalm) | 81.4 | 14% (low) | - |
| 2 | [mypy](https://www.vioscale.ai/software/mypy) | 80.4 | 22% (low) | - |
| 3 | [Prettier](https://www.vioscale.ai/software/prettier) | 75.8 | 44% (low) | - |
| 4 | [Clippy](https://www.vioscale.ai/software/clippy) | 75.8 | 12% (low) | - |
| 5 | [Biome](https://www.vioscale.ai/software/biome) | 72.3 | 38% (low) | - |
| 6 | [ESLint](https://www.vioscale.ai/software/eslint) | 72.1 | 44% (low) | - |
| 7 | [StyleLint](https://www.vioscale.ai/software/stylelint) | 71.1 | 40% (low) | - |
| 8 | [Black](https://www.vioscale.ai/software/black) | 69.5 | 46% (low) | - |
| 9 | [Ruff](https://www.vioscale.ai/software/ruff) | 68.8 | 35% (low) | - |
| 10 | [pre-commit](https://www.vioscale.ai/software/pre-commit) | 65.9 | 34% (low) | - |
| 11 | [Checkstyle](https://www.vioscale.ai/software/checkstyle) | 64.6 | 27% (low) | - |
| 12 | [Oxc/oxlint](https://www.vioscale.ai/software/oxc-oxlint) | 64.1 | 16% (low) | - |
| 13 | [DeepSource](https://www.vioscale.ai/software/deepsource) | 63.7 | 60% (medium) | - |
| 14 | [ast-grep](https://www.vioscale.ai/software/ast-grep) | 63 | 23% (low) | - |
| 15 | [PMD](https://www.vioscale.ai/software/pmd) | 61.3 | 22% (low) | - |
| 16 | [RuboCop](https://www.vioscale.ai/software/rubocop) | 59.4 | 27% (low) | - |
| 17 | [Pylint](https://www.vioscale.ai/software/pylint) | 58.5 | 20% (low) | - |
| 18 | [SpotBugs](https://www.vioscale.ai/software/spotbugs) | 58.2 | 26% (low) | - |
| 19 | [Qlty](https://www.vioscale.ai/software/qlty) | 58.1 | 60% (medium) | - |
| 20 | [golangci-lint](https://www.vioscale.ai/software/golangci-lint) | 57.4 | 26% (low) | - |
| 21 | [Trunk](https://www.vioscale.ai/software/trunk) | 55.2 | 61% (medium) | - |
| 22 | [PHPStan](https://www.vioscale.ai/software/phpstan) | 54.7 | 26% (low) | - |
| 23 | [flake8](https://www.vioscale.ai/software/flake8) | 51.9 | 33% (low) | - |
| 24 | [CodeClimate](https://www.vioscale.ai/software/codeclimate) | 42.2 | 53% (medium) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/code-quality).*