crystal ☆
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Description:
Fast and statically typed, compiled language with Ruby-like syntax
Type: Formula  |  Latest Version: 1.18.2@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @CrystalLanguage  |  formulae.brew.sh
Category: Developer tools
Tags: crystal compiler programming-language ruby static-typing performance
Install: brew install crystal
About:
Crystal is a compiled programming language that combines the performance of C with the syntax elegance of Ruby. It features a powerful type inference system that catches errors at compile-time while maintaining developer productivity. The language includes a garbage collector and built-in concurrency support via lightweight fibers.
Key Features:
  • Ruby-like, readable syntax
  • Statically typed with powerful type inference
  • Compiles to native machine code for high performance
  • Built-in concurrency with lightweight fibers
  • Comprehensive standard library
Use Cases:
  • Building high-performance command-line tools and utilities
  • Developing web services and APIs with the Amber framework
  • Creating system-level applications requiring C-like performance
  • Writing scripts that need to be fast and type-safe
Alternatives:
  • Ruby – Interpreted and dynamically typed; Crystal offers compiled performance with similar syntax
  • Go – Also compiled with concurrency focus; Crystal has more expressive, Ruby-like syntax
  • Rust – More explicit memory management; Crystal has garbage collection and gentler learning curve
Version History
Detected Version Rev Change Commit
Oct 17, 2025 5:50pm 0 VERSION_BUMP b3e11ce5
Oct 14, 2025 7:08pm 0 VERSION_BUMP 652351b2
Sep 11, 2025 7:03pm 1 VERSION_BUMP 749e411e
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Oct 9, 2024 5:03pm 1 VERSION_BUMP b7e4ab59
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May 24, 2024 9:17pm 1 VERSION_BUMP a952a840
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Jan 11, 2024 9:33pm 0 VERSION_BUMP 388a1071
Dec 9, 2023 8:30pm 1 VERSION_BUMP 84a38938
Oct 9, 2023 9:28pm 0 VERSION_BUMP a0d6d91a
Apr 20, 2023 2:44am 0 VERSION_BUMP e7ae9971
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Jan 18, 2023 12:43am 0 VERSION_BUMP 8c25e088
Jan 18, 2023 12:43am 0 VERSION_BUMP 70acd0fb
Jan 9, 2023 10:05pm 0 VERSION_BUMP f1cc9710
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Jan 2, 2023 9:05am 0 VERSION_BUMP 886732d8
Dec 28, 2022 3:42pm 0 VERSION_BUMP 70f60d63
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