The Best Crystal Static Analysis Tools (Linters/Formatters)

We rank 3 Crystal linters, code analyzers, formatters, and more. Find and compare tools like Codacy, ameba, crystal, and more. Please rate and review tools that you've used. This helps others find the best tools for their projects.

2 Crystal Tools


A static code analysis tool for Crystal.

  • MaintainedMaintained
  • MaintainedCrystal
  • Maintainedcli
  • Maintainedlinter
  • 100% upvoted


The Crystal compiler has built-in linting functionality.

  • MaintainedMaintained
  • MaintainedCrystal
  • Maintainedcli
  • Maintainedlinter
  • 100% upvoted

1 Multi-Language Tools


Code Analysis to ship Better Code, Faster.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 64% upvoted

Frequently Asked Questions

What are Crystal tools?

Crystal is a general-purpose, object-oriented programming language with the following goals: Have a syntax similar to Ruby (but compatibility with it is not a goal). Be statically type-checked but without having to specify the type of variables or method arguments. Be able to call C code by writing bindings to it in Crystal. Have compile-time evaluation and generation of code, to avoid boilerplate code. Have compile-time metaprogramming, to perform complex tasks involving macros and AST analysis.

What are the best Crystal static analysis tools and linters?

The most popular Crystal tools ranked by user votes are: Codacy, ameba, crystal.

Which Crystal services are free for open source projects?

Commercial services with a free plan for open source include Codacy, ameba, crystal.

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