Crystal (programming language)

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Programming language with Ruby-like syntax that compiles to efficient native code.

Crystal (programming language) screenshot 1

Cost / License

Free
Open Source (Apache-2.0)

Application typeApplication types

Origin

Argentina

Platforms

Mac
Linux

Crystal (programming language) screenshot 1

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Tags

programming

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Recent News

Mauricio B. Holguin published news article about Crystal (programming language)
over 1 year ago
Crystal 1.16.0 released: major updates in file matching, syntax, and execution contexts
Crystal (programming language) 1.16.0 has been released with 162 changes since version 1.15.1. A no...
Apr 12, 2025
Paul published news article about Crystal (programming language)
over 3 years ago
Crystal programming language 1.8.0 released with Android support
Crystal, the programming language designed “for humans and computers,” has just released its latest...
Apr 18, 2023

Recent activities

mqdlou liked Crystal (programming language)
4 months ago
Paul added Crystal (programming language) as alternative to Rhombus Programming Language
4 months ago
alternativeto-single850 added Crystal (programming language) as alternative to Rux Programming Language
4 months ago
b-macker added Crystal (programming language) as alternative to NAAb
8 months ago
Gergely Turi added Crystal (programming language) as alternative to Jank Programming Language and Temper Programming Language
10 months ago
Mother_Aldrich liked Crystal (programming language)
10 months ago
Paul added Crystal (programming language) as alternative to ReScript and Unison Programming Language
11 months ago

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AppStores & Other Links

Install from the command line

brew install crystal

Be careful what you paste into a terminal. Check what a command installs before running it.

What is Crystal (programming language)?

A compiled language with Ruby like syntax and type inference

Language goals:

Have a syntax similar to Ruby (but compatibility with it is not a goal)
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.
Compile to efficient native code.

Crystal (programming language) information

Developed by
Manas.
Licensing
Open Source (Apache-2.0) and Free product.
Alternatives
84 alternatives listed
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Supported Languages
- English

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GitHub repository

20,454 Stars
1,719 Forks
2115 Open Issues
Updated Oct 17, 2026

Popular alternatives

Crystal (programming language) was added to AlternativeTo by David on Aug 4, 2016 and this page was last updated May 4, 2024. Crystal (programming language) is sometimes referred to as Crystal.