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Top 6 Ruby code-formatter Projects
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If you're looking for static typing a dynamic language is going to be a poor fit. I find a place for both. I love Rust, but trying to write a tool that consumed a GraphQL API with was a brutal exercise in frustation. I'd say that goes for typing of JSON or YAML or whatever structured format in general. It's refreshing being able to just work with data in the form I already know it's in. Ruby can be an incredibly productive language to work with.
If you're looking for static analysis in general, please note that there are mature tools available. Rubocop¹ is probably the most popular and allows for linting and code formatting. Brakeman² is a vulnerability scanner for Rails. Sorbet³ is a static type checker.
The tooling is there if you want to try things out. But, if you want a statically typed language then that's a debate that's been going since the dawn of programming language design. I doubt it's going to get resolved in this thread.
¹ - https://github.com/rubocop/rubocop
² - https://brakemanscanner.org/
³ - https://sorbet.org/
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rubocop-obsession
RuboCop extension focused on higher-level concepts, like checking that code reads from top to bottom
Project mention: Rubocop-obsession: RuboCop extension focused on higher-level concepts | news.ycombinator.com | 2024-10-27 -
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Ruby code-formatter discussion
Ruby code-formatter related posts
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Utilities for refactoring and upgrading Ruby code based on ASTs
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Mastering Linters : A Code Quality Assurance Comprehensive Guide using Ruby on Rails
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code review / feedback for improvement
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I live and work in the US where protests against police brutality have been ongoing for days, and coming to work this week the word "cop" has an uncomfortable feeling about it.
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RuboCoping with legacy: Bring your Ruby code up to Standard
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Ruby 2.7.8 Released
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Rubocop: The Sheriff of Your Codebase
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A note from our sponsor - SaaSHub
www.saashub.com | 22 Jun 2025
Index
What are some of the best open-source code-formatter projects in Ruby? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | rubocop | 12,745 |
| 2 | rubocop-rails | 841 |
| 3 | rubocop-performance | 711 |
| 4 | rubocop-minitest | 148 |
| 5 | rubocop-obsession | 136 |
| 6 | rubocop-gradual | 36 |
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