Side by side
RuboCop vs yamllint
Both stand on linters. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxSelf-hosted
RuboCop provides configurable Ruby linting, formatting, editor integration, and CI reporting at no cost. Its plugin and autocorrection options support both new projects and legacy codebases.
Visit RuboCop Free plan LinuxMac
yamllint provides configurable YAML validation with broad editor and workflow integrations. Its free license and script or Python-module forms suit automated checks, while fixes remain manual.
Visit yamllintThe facts
| RuboCop | yamllint | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Self-hosted | Linux, Mac |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | rubocop.org | yamllint.readthedocs.io |
| On linters | #27 of 33 | #31 of 33 |
RuboCop: what it does well
- Free open-source Ruby analysis
- Autocorrection offers safe and behavior-changing modes
- Plugins support Rails and other frameworks
- Language server supports multiple editors
- Outputs formats for CI and code scanning
What to know first
- Supports one programming language
- Official runtime support starts at MRI Ruby 2.7
- Some autocorrections may change behavior
- Runs on Linux and self-hosted platforms
yamllint: what it does well
- Checks syntax, duplicate keys, spacing, and indentation
- Rules can be configured as errors or warnings
- Accepts files, directories, and standard-input streams
- Integrates with editors and CI workflows
- Provides a Python module for custom tools
What to know first
- No autofix feature listed
- No security rules listed
- Supports Linux and macOS platforms
Alternatives to RuboCop Alternatives to yamllint The whole list