CR

Crystal

Crystal is a high-level general-purpose, object-oriented programming language with syntax inspired by Ruby. It is compiled with static type-checking and advanced global type inference, designed for speed, efficiency, and type safety.
Latest: 1.20.2 GitHub
Last checked: Jun 9, 2026 12:10am
Rank: 2504/15140
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Overview

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License: Apache License 2.0Winget: Available

Version & Lifecycle

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Current: 1.20.2 N-2: 1.20.0 Oldest supported: 0.1 (2014-06) Avg cadence: Every 16 days

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

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Also known as

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Crystalcrystallang Crystal

Packaging Notes

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Compiled language with LLVM backend, self-hosting compiler

Notes

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Work began in 2011; first official release in 2014. Uses Boehm garbage collector and supports concurrency via fibers and channels inspired by Go.