Repositories list

• crystal-planet

  Public

  crystal-lang/crystal-planet’s past year of commit activity
  RSS feed aggregation

  Handlebars

  •

  MIT License

  •0•2•1•0•Updated Mar 11, 2026Mar 11, 2026

• crystal-book

  Public

  crystal-lang/crystal-book’s past year of commit activity
  Crystal reference with language specification, manuals and learning materials

  documentationcrystaltutorial

  documentationcrystaltutorial

  Makefile

  •

  Other

  •256•419•60•19•Updated Mar 10, 2026Mar 10, 2026

• perf-tools

  Public

  crystal-lang/perf-tools’s past year of commit activity
  An assortment of tools to track resources in Crystal applications

  Crystal

  •

  MIT License

  •4•42•14•2•Updated Mar 10, 2026Mar 10, 2026

• crystal-website

  Public
  crystal-lang.org website

  websitecrystalhomepage

  websitecrystalhomepage

  SCSS

  •77•65•29•5•Updated Mar 10, 2026Mar 10, 2026

• crystal

  Public
  The Crystal Programming Language

  programming-languagecrystalcompiler+ 2

  programming-languagecrystalcompilerhacktoberfestcrystal-language

  Crystal

  •

  Apache License 2.0

  •1.7k•20k•1.7k•258•Updated Mar 10, 2026Mar 10, 2026

• rfcs

  Public

  crystal-lang/rfcs’s past year of commit activity
  RFCs repository for Crystal

  Nix

  •

  Apache License 2.0

  •9•28•0•10•Updated Mar 6, 2026Mar 6, 2026

• shards

  Public

  crystal-lang/shards’s past year of commit activity
  Dependency manager for the Crystal language

  Crystal

  •

  Apache License 2.0

  •110•790•78•9•Updated Mar 6, 2026Mar 6, 2026

• distribution-scripts

  Public

  crystal-lang/distribution-scripts’s past year of commit activity
  Shell

  •24•41•32•8•Updated Mar 1, 2026Mar 1, 2026

• test-ecosystem

  Public

  crystal-lang/test-ecosystem’s past year of commit activity
  Shell

  •6•11•5•4•Updated Feb 26, 2026Feb 26, 2026

• install-crystal

  Public
  GitHub Action: Install Crystal programming language

  crystalshardsgithub-actions

  crystalshardsgithub-actions

  JavaScript

  •

  MIT License

  •8•73•7•1•Updated Feb 23, 2026Feb 23, 2026

• crystal-molinillo

  Public
  A generic dependency resolution algorithm. Ported from https://github.com/CocoaPods/Molinillo/

  Crystal

  •

  MIT License

  •2•33•2•0•Updated Feb 11, 2026Feb 11, 2026

• html_builder

  Public

  crystal-lang/html_builder’s past year of commit activity
  DSL for creating HTML

  Crystal

  •

  MIT License

  •21•78•3•0•Updated Feb 9, 2026Feb 9, 2026

• crystal-sqlite3

  Public
  SQLite3 bindings for Crystal

  crystaldatabasedriver+ 1

  crystaldatabasedriversqlite3

  Crystal

  •

  MIT License

  •27•156•21•2•Updated Jan 28, 2026Jan 28, 2026

• clang.cr

  Public
  libclang bindings for crystal (including automatic C bindings generator)

  Crystal

  •

  Other

  •9•50•2•0•Updated Jan 26, 2026Jan 26, 2026

• crystal-mysql

  Public

  crystal-lang/crystal-mysql’s past year of commit activity
  MySQL connector for Crystal

  mysqlcrystaldatabase+ 1

  mysqlcrystaldatabasedriver

  Crystal

  •

  MIT License

  •36•111•14•8•Updated Jan 26, 2026Jan 26, 2026

• crystal-db

  Public

  crystal-lang/crystal-db’s past year of commit activity
  Common db api for crystal

  crystaldatabase

  crystaldatabase

  Crystal

  •

  MIT License

  •57•313•34•5•Updated Nov 19, 2025Nov 19, 2025

• libffi

  Public
  A portable foreign-function interface library.

  C

  •

  Other

  •798•3•0•1•Updated Oct 8, 2025Oct 8, 2025

• crystal_lib

  Public

  crystal-lang/crystal_lib’s past year of commit activity
  Automatic binding generator for native libraries in Crystal

  Crystal

  •31•141•20•4•Updated Sep 18, 2025Sep 18, 2025

• crystal-readline

  Public
  Crystal bindings to GNU Readline Library

  Crystal

  •

  MIT License

  •8•24•1•2•Updated Sep 6, 2025Sep 6, 2025

• heroku-buildpack-crystal

  Public archive

  crystal-lang/heroku-buildpack-crystal’s past year of commit activity
  Heroku buildpack for Crystal

  Shell

  •

  MIT License

  •82•124•0•0•Updated Jan 7, 2025Jan 7, 2025

• json_mapping.cr

  Public archive
  Provides the legacy `JSON.mapping` macro method

  Crystal

  •

  MIT License

  •14•20•0•0•Updated Jan 7, 2025Jan 7, 2025

• yaml_mapping.cr

  Public archive

  crystal-lang/yaml_mapping.cr’s past year of commit activity
  Provides the legacy `YAML.mapping` macro method

  Crystal

  •

  MIT License

  •3•9•0•0•Updated Jan 7, 2025Jan 7, 2025

• crystal-random

  Public archive
  Crystal

  •

  MIT License

  •4•5•0•0•Updated Dec 4, 2024Dec 4, 2024

• crystal-infrastructure

  Public archive

  crystal-lang/crystal-infrastructure’s past year of commit activity
  Infrastructure automation for Crystal related resources

  Jinja

  •

  BSD 3-Clause "New" or "Revised" License

  •1•5•0•0•Updated Nov 20, 2024Nov 20, 2024

• logger.cr

  Public archive
  Crystal

  •

  MIT License

  •3•14•0•0•Updated Nov 20, 2024Nov 20, 2024

• crystal-intro

  Public

  crystal-lang/crystal-intro’s past year of commit activity
  Talk that introduces the Crystal programming language

  JavaScript

  •2•3•0•0•Updated Oct 4, 2024Oct 4, 2024

• crystal-presents

  Public
  Playground for creating crystal presentations with live coding

  JavaScript

  •

  Creative Commons Attribution Share Alike 4.0 International

  •6•42•0•0•Updated Jun 15, 2024Jun 15, 2024

• osc-docker

  Public
  Dockerfile for pushing to Open Build Service

  Dockerfile

  •

  Apache License 2.0

  •1•2•0•0•Updated May 3, 2024May 3, 2024

• .github

  Public
  Default community health files

  1•2•0•0•Updated Dec 15, 2023Dec 15, 2023

• newsletter

  Public

  crystal-lang/newsletter’s past year of commit activity
  Template for Crystal newsletter on Mailchimp

  HTML

  •

  Other

  •14•1•0•0•Updated Nov 8, 2023Nov 8, 2023