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RuboCop

A Ruby static code analyzer, based on the community Ruby style guide
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What is RuboCop?

RuboCop is a Ruby static code analyzer. Out of the box it will enforce many of the guidelines outlined in the community Ruby Style Guide.
RuboCop is a tool in the Code Review category of a tech stack.
RuboCop is an open source tool with GitHub stars and GitHub forks. Here’s a link to RuboCop's open source repository on GitHub

Who uses RuboCop?

Companies
95 companies reportedly use RuboCop in their tech stacks, including StackShare, MAK IT, and Productboard.

Developers
176 developers on StackShare have stated that they use RuboCop.
Pros of RuboCop
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Open-source
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Completely free
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Runs Offline
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Follows the Ruby Style Guide by default
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Can automatically fix some problems
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Customizable
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Atom package
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Integrates with Vim/Emacs/Atom/Sublime/
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Integrates With Custom CMS

RuboCop Alternatives & Comparisons

What are some alternatives to RuboCop?
Reek
Reek is a tool that examines Ruby classes, modules, and methods and reports any Code Smells it finds.
Brakeman
Free static analysis security tool for Ruby on Rails. Zero-setup security scans for Rails applications based on source code analysis.
SonarQube
SonarQube provides an overview of the overall health of your source code and even more importantly, it highlights issues found on new code. With a Quality Gate set on your project, you will simply fix the Leak and start mechanically improving.
RSpec
Behaviour Driven Development for Ruby. Making TDD Productive and Fun.
ESLint
A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain your code quality with ease.
See all alternatives

RuboCop's Followers
202 developers follow RuboCop to keep up with related blogs and decisions.