Best SwiftLint Alternatives in 2026
The top SwiftLint alternatives are ESLint, Ruff and ShellCheck: 15 linters our editors would look at instead of SwiftLint, in our ranking order.
SwiftLint: A focused, free Swift linter with configurable rules, autofix, and CI integrations. Where it falls short: focused on swift rather than multiple programming languages.
Switching from SwiftLint? For most linters buyers the best SwiftLint alternative is ESLint, built for javaScript projects needing an extensible standard. SQLFluff offers the most languages supported (28).
Why People Look for a SwiftLint Alternative
- Focused on Swift rather than multiple programming languages
- Automatic correction applies only to certain violations
- Does not provide built-in security rules
- No security rules — 9 of the alternatives below have it
- Languages supported: 1 — up to 28 with SQLFluff
Quick Picks by What You Need
- Best overallESLint9.4
JavaScript projects needing an extensible standard
Visit ESLint - Best free optionESLint9.4
Has a free plan
Visit ESLint - Most languages supportedSQLFluff7.6
28
Visit SQLFluff - Best for security rulesESLint9.4
Security rules (SwiftLint: no)
Visit ESLint
All 15 SwiftLint Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forJavaScript projects needing an extensible standard
- Better than SwiftLint:
- Security rules
- Editor score 9.4 vs 8.0
A free, extensible JavaScript linter with autofix, plugins, and broad developer-tool integrations.
- Security rules
- Autofix
- Custom rules
9.4/10★★★★★Visit ESLint -
Best forPython teams wanting linting and formatting together
- Better than SwiftLint:
- Security rules
- Editor score 9.2 vs 8.0
Free Python linting and formatting with more than 900 built-in rules.
- Security rules
- Autofix
9.2/10★★★★★Visit Ruff -
Best forShell-script quality and portability checks
- Better than SwiftLint:
- Languages supported: 4 vs 1
- Editor score 9.0 vs 8.0
A free, open-source linter for shell syntax, portability, robustness and security checks.
- Autofix
9.0/10★★★★☆Visit ShellCheck -
Best forCSS and CSS-like language teams
- Better than SwiftLint:
- Languages supported: 8 vs 1
- Editor score 8.8 vs 8.0
A capable, extensible CSS linter for teams that want configurable rules and CI support.
- Autofix
- Custom rules
8.8/10★★★★☆Visit Stylelint -
Best forC++ teams needing bug and style analysis
- Better than SwiftLint:
- Security rules
- Languages supported: 3 vs 1
- Editor score 8.7 vs 8.0
A deep C++ linter for style, bugs, custom checks, CUDA, and IDE workflows.
- Security rules
- Autofix
- Custom rules
8.7/10★★★★☆Visit LLVM Project -
Best forRust developers seeking extensive lint coverage
- Better than SwiftLint:
- Security rules
- Editor score 8.6 vs 8.0
A deeply configurable Rust linter with more than 800 checks and CI support.
- Security rules
- Autofix
8.6/10★★★★☆Visit Clippy -
Best forElixir teams checking style and complexity
- Better than SwiftLint:
- Security rules
- Editor score 8.5 vs 8.0
A focused, free Elixir linter for style, complexity, refactoring, and custom checks.
- Security rules
- Custom rules
8.5/10★★★★☆Visit Credo -
Best forTeams linting and formatting web code
- Better than SwiftLint:
- Security rules
- Languages supported: 17 vs 1
- Editor score 8.4 vs 8.0
An open-source web toolchain combining linting, formatting, fixes, and editor support.
- Security rules
- Autofix
- Custom rules
8.4/10★★★★☆Visit Biome -
Best forMultilanguage static-analysis programs
- Better than SwiftLint:
- Security rules
- Languages supported: 16 vs 1
- Editor score 8.3 vs 8.0
A broad, open-source linter for teams managing static analysis across 16 languages.
- Security rules
- Custom rules
8.3/10★★★★☆Visit PMD -
Best forPython teams seeking linting, fixes, and formatting
- Better than SwiftLint:
- Security rules
- Editor score 8.2 vs 8.0
An open-source Python linter and formatter with fixes, editor support, and CI integration.
- Security rules
- Autofix
8.2/10★★★★☆Visit Astral -
Best forMarkdown documentation teams
- Better than SwiftLint:
- Editor score 8.1 vs 8.0
A focused, configurable Markdown linter for documentation workflows.
- Autofix
- Custom rules
8.1/10★★★★☆Visit markdownlint -
Best forJava teams enforcing configurable standards
A focused, open-source Java linter with deep checks and flexible custom rules.
- Custom rules
7.9/10★★★★☆Visit Checkstyle -
Best forGo teams prioritizing correctness checks
A focused, free Go linter with broad checks, editor fixes, and CI support.
- Autofix
7.8/10★★★★☆Visit Staticcheck -
Best forGo teams wanting many linters in one tool
- Better than SwiftLint:
- Security rules
A focused open-source tool for running and managing many Go linters.
- Security rules
- Autofix
- Custom rules
7.7/10★★★★☆Visit golangci-lint -
Best forSQL and dbt teams
- Better than SwiftLint:
- Languages supported: 28 vs 1
A configurable open-source SQL linter for SQL and dbt teams.
- Autofix
- Custom rules
7.6/10★★★★☆Visit SQLFluff
SwiftLint Alternatives: Common Questions
What is the best alternative to SwiftLint?
ESLint: #1 in our Linters ranking, with an editor score of 9.4 out of 10. A free, extensible JavaScript linter with autofix, plugins, and broad developer-tool integrations.
Is there a free alternative to SwiftLint?
Yes. ESLint, Ruff, ShellCheck, Stylelint and clang-tidy have a free plan or a free tier (15 of the 15 alternatives on this page).
Why do people look for SwiftLint alternatives?
Focused on Swift rather than multiple programming languages; Automatic correction applies only to certain violations; Does not provide built-in security rules.
Which SwiftLint alternative has the most languages supported?
SQLFluff, with 28.
How do I switch from SwiftLint?
Export your data from SwiftLint (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel SwiftLint.
How to Switch from SwiftLint
- Export your data from SwiftLint (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel SwiftLint.
SwiftLint vs Each Alternative
| # | Tool | Free plan | Paid from | Languages supported | Autofix | Custom rules | Security rules | Score |
|---|---|---|---|---|---|---|---|---|
| 12 | SwiftLint | Free | 1 | Yes | Yes | No | 8.0 | |
| 1 | ESLint | Yes | Free | 1 | Yes | Yes | Yes | 9.4 |
| 2 | Ruff | Yes | Free | 1 | Yes | No | Yes | 9.2 |
| 3 | ShellCheck | Yes | Free | 4 | Yes | 9.0 | ||
| 4 | Stylelint | Yes | Free | 8 | Yes | Yes | No | 8.8 |
| 5 | clang-tidy | Free | 3 | Yes | Yes | Yes | 8.7 | |
| 6 | Clippy | Free | 1 | Yes | No | Yes | 8.6 | |
| 7 | Credo | Yes | Free | 1 | Yes | Yes | 8.5 | |
| 8 | Biome | Yes | Free | 17 | Yes | Yes | Yes | 8.4 |
| 9 | PMD | Yes | Free | 16 | Yes | Yes | 8.3 | |
| 10 | Astral | Yes | Free | 1 | Yes | No | Yes | 8.2 |
| 11 | markdownlint | Yes | Free | 1 | Yes | Yes | 8.1 | |
| 12 | Checkstyle | Yes | Free | 1 | Yes | 7.9 | ||
| 13 | Staticcheck | Yes | Free | 1 | Yes | 7.8 | ||
| 14 | golangci-lint | Yes | Free | 1 | Yes | Yes | Yes | 7.7 |
| 15 | SQLFluff | Yes | Free | 28 | Yes | Yes | 7.6 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update