Flay analyzes code for structural similarities. Differences in literal values, variable, class, method names, whitespace, programming style, braces vs do/end, etc are all ignored. Making this totally rad.

Flay alternatives and similar gems

Based on the "Code Analysis and Metrics" category

• Rubocop

  9.8 9.6 L4 Flay VS Rubocop

  A static code analyzer, based on the community Ruby style guide.

• Scientist

  9.3 3.9 L5 Flay VS Scientist

  A Ruby library for carefully refactoring critical paths.

• SimpleCov

  8.9 8.9 L5 Flay VS SimpleCov

  Code coverage for Ruby 1.9+ with a powerful configuration library and automatic merging of coverage across test suites.

• rails_best_practices

  8.7 7.0 L4 Flay VS rails_best_practices

  A code metric tool for rails projects.

• Reek

  8.5 7.5 L2 Flay VS Reek

  Code smell detector for Ruby.

• Rubycritic

  8.0 6.9 Flay VS Rubycritic

  A Ruby code quality reporter.

• Pronto

  7.8 5.4 L5 Flay VS Pronto

  Quick automated code review of your changes.

• Barkeep

  6.9 0.0 L5 Flay VS Barkeep

  Barkeep is a fast, fun way to review code. Engineering organizations can use it to keep the bar high.

• Coverband

  6.8 8.4 L5 Flay VS Coverband

  Rack middleware to help measure production code coverage.

• Cane

  6.5 0.0 L5 Flay VS Cane

  Code quality threshold checking as part of your build.

• Fasterer

  6.3 5.6 L5 Flay VS Fasterer

  Make your Rubies go faster with this command line tool highly inspired by fast-ruby and Sferik's talk at Baruco Conf.

• MetricFu

  5.7 6.1 L5 Flay VS MetricFu

  A fist full of code metrics.

• Flog

  5.2 3.4 L3 Flay VS Flog

  Flog reports the most tortured code in an easy to read pain report. The higher the score, the more pain the code is in.

• Traceroute

  5.1 2.9 L5 Flay VS Traceroute

  A Rake task gem that helps you find the dead routes and actions for your Rails 3+ app

• undercover

  3.5 6.7 Flay VS undercover

  Actionable code coverage - detects untested code blocks in recent changes

• Pippi

  3.2 0.0 L5 Flay VS Pippi

  A utility for finding suboptimal Ruby class API usage, focused on runtime analysis.

• bundler-leak

  1.9 6.1 Flay VS bundler-leak

  Known-leaky gems verification for bundler: `bundle leak` to check your app and find leaky gems in your Gemfile 💎💧

• fukuzatsu

  - - Flay VS fukuzatsu

  Complexity analysis tool with a rich web front-end.

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest. Visit our partner's website for more details.

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