Crystal
Crystal is a programming language with friendly syntax, static type checking and modern stdlib. It compiles into efficient, easy-to-distribute native code.
- GitHub: https://github.com/topics/crystal
- Wikipedia: https://en.wikipedia.org/wiki/Crystal_(programming_language)
- Repo: https://github.com/crystal-lang
- Created by: Ary Borenszweig, Juan Wajnerman
- Released: June 2011
- Aliases: crystal-lang, crystallang, crystal-language,
- Last updated: 2026-06-16 00:06:54 UTC
- JSON Representation
https://github.com/nilsding/taglib.cr
Some spicy read-only (for now?) Crystal bindings to the C++ TagLib library. There be dragons.
Last synced: 14 Oct 2025
https://github.com/bew/mpv-crystal-simple-plugin
A simple MPV C plugin written in crystal
Last synced: 19 May 2026
https://github.com/blocknotes/manual-generator
Crystal tool to generate PDF manuals from HTML documentation sites
crystal pdf-manuals wkhtmltopdf
Last synced: 02 May 2025
https://github.com/hostari/bentonow_client
A crystal lang wrapper for the Bentonow API.
Last synced: 18 Mar 2025
https://github.com/IAmWilliamHames/crystal-vagrant
Crystal lang development environment using Vagrant
crystal crystal-lang crystal-language vagrant vagrant-environments vagrantfile virtualbox
Last synced: 14 Oct 2025
https://github.com/hostari/thunderstore_client
A crystal lang wrapper over the Thunderstore API
Last synced: 24 Oct 2025
https://github.com/arcage/ping.cr
Minimum ping command clone by Crystal langage.
Last synced: 15 Oct 2025
https://github.com/grottopress/unslash
A Crystal HTTP Handler to remove trailing slashes from URLs
Last synced: 22 Jun 2025
https://github.com/wizzardx/bracket
A Crystal shard implementing the bracket pattern for safe resource management. Ensures proper initialization and cleanup of resources, similar to Python's context managers or Haskell's bracket pattern.
bracket-pattern context-manager crystal crystal-shard raii resource-management safe-resource-handling
Last synced: 18 Jun 2026
https://github.com/jaredsmithse/design-patterns-in-crystal
GoF design patterns in Crystal
Last synced: 05 Apr 2025
https://github.com/yds12/life
Conway's Game of Life implemented in the Crystal language with the CrSFML library.
conway-game crystal game-of-life simulation
Last synced: 03 Mar 2025
https://github.com/oberton/chrome_freeton_extension_js_sdk
SDK to integrate with Oberton Freeton Wallet Chrome Extension https://chrome.google.com/webstore/detail/oberton-chrome-freeton-ex/emdkjliaadghhnaanlbpdgmddbjlmhpi
chrome-extension crystal freeton freeton-sdk ton
Last synced: 19 Apr 2026
https://github.com/gitoido/sir-imager
crystal docker image-processing kemal kemalcr
Last synced: 30 Apr 2026
https://github.com/henrikac/docker-crystal
Docker image for crystal development
Last synced: 18 May 2026
https://github.com/geocrystal/crystal-redis-geo-examples
Geo examples for crystal-redis
crystal crystal-redis examples geospatial redis
Last synced: 01 May 2026
https://github.com/xdrwastaken/crowsa
A lightweight and more secure alternative to Electron.
crystal crystal-lang crystal-language library ui-framework web web-development webapp
Last synced: 12 Mar 2025
https://github.com/stephannv/blueprint-docs
Website for Blueprint Crystal shard
Last synced: 30 Mar 2025
https://github.com/kukula/toy-robot-crystal
Toy robot simulator test task
crystal crystal-lang crystal-language test-task toy-project toy-robot toy-robot-challenge toy-robot-simulator
Last synced: 30 Mar 2025
https://github.com/protoncr/tl_parser
Type Language parser for Crystal
crystal crystal-lang crystal-language mtproto telegram tl type-language
Last synced: 30 Mar 2025
https://github.com/denysvitali/hello-optimization
Hello World comparison across languages
compilers cpp crystal gcc hello java optimization rust world
Last synced: 14 Apr 2026
https://github.com/mjblack/winmd
Crystal Windows Metadata bindings generator
crystal crystal-lang shard win32 win32api winmd
Last synced: 12 Jun 2026
https://github.com/stumpycr/stumpy_x11
Display a canvas as a X11 window [experimental]
Last synced: 20 Oct 2025
https://github.com/arbaaz/redditcr
API server written in Crystal for my Elm client
crystal crystal-lang crystallang reddit
Last synced: 30 Mar 2025
https://github.com/pteropackages/ptero.cr
A Pterodactyl API library in Crystal
api crystal crystal-lang pterodactyl pterodactyl-api
Last synced: 30 Mar 2025
https://github.com/synsec/crystal-stix2
crystal-stix2 is a STIX 2.1 implementation using Crystal language.
crystal crystal-lang crystal-language cyber-security stix stix2
Last synced: 30 Mar 2025
https://github.com/iamwilliamhames/crystal-vagrant
Crystal lang development environment using Vagrant
crystal crystal-lang crystal-language vagrant vagrant-environments vagrantfile virtualbox
Last synced: 30 Mar 2025
https://github.com/lost22git/test-kemal
crystal docker docker-compose kemal sqlite3 static-linking
Last synced: 01 May 2026
https://github.com/ragmaanir/kontrol
Kontrol is a DSL to define validations for JSON data
Last synced: 10 May 2026
https://github.com/sloweax/dchecker
domain availability checker
availability checker cli command-line concurrent crystal domain whois
Last synced: 30 Mar 2025
https://github.com/gokg4/crystal_crypto_http
A simple command line application to check current crypto price using the coingecko api.
crystal crystal-lang crystal-language
Last synced: 05 Sep 2025
https://github.com/xframes-project/xframes-crystal
GPU accelerated UI development for Crystal
Last synced: 19 Jun 2026
https://github.com/iowadave/atmega328-power-save-sleep-solved
Achieve the greatest decrease in current consumption while keeping the ability to wake up the controller from an internal timer.
arduino atmega328 crystal interrupt power-save rtc sleep timer
Last synced: 02 May 2026
https://github.com/crystalsystems/crystal-v1.0--production
Current production version CRYSTAL v1.0, as of July 19, 2025.
crystal express js mern mit mongodb nodejs open-source react social-network
Last synced: 08 Apr 2026
https://github.com/imran5802/convertamountinbanglaincrystalreport
Using this function you can convert any amount / number to text in Bengali language.
crystal crystal-lang crystal-language crystal-reports crystalreports
Last synced: 30 Mar 2025
https://github.com/ragmaanir/vagt
Crystal validations
crystal validation validation-library
Last synced: 30 Mar 2025
https://github.com/wasm-outbound-http-examples/crystal
Make HTTP requests from inside WASM in Crystal-lang. Demo and devcontainer.
crystal crystal-js crystal-lang http-client http-request wasm webassembly
Last synced: 24 Apr 2026
https://github.com/tlrasor/incremental_hmac
Incremental HMAC API for Crystal
crystal crystal-lang crystal-language crystal-shards hmac standard-library utility-library
Last synced: 27 Oct 2025
https://github.com/syrupthinker/crylsp
A rudimentary attempt at creating a language server for Crystal.
Last synced: 03 Nov 2025
https://github.com/nuccitheboss/nlxd-cr
🚀 A next-generation Crystal shard for interfacing with the LXD API 📡🌐🖥️
api-client containers crystal lxd virtualization
Last synced: 30 Mar 2025
https://github.com/sarvex/crystal125
Trying to complete 125 projects from in Crystal
crystal crystal-lang crystal-language
Last synced: 30 Mar 2025
https://github.com/wjhames/crystal-vagrant
Crystal lang development environment using Vagrant
crystal crystal-lang crystal-language vagrant vagrant-environments vagrantfile virtualbox
Last synced: 08 May 2026
https://github.com/limit7412/github_notifications_slack
githubの通知をslackにしまむら
aws-lambda crystal github lambda serverless serverless-framework slack
Last synced: 28 Jan 2026
https://github.com/traven-b/mymodern
Crystal app lists checked-out and ready-hold books at multiple library websites. Uses CSS selectors, CSP concurrency. Beginner-friendly with mock data and easy inclusion of custom scraping logic.
beginner-friendly book-tracking cli-application concurrency crystal crystal-lang csp css-selectors fibers html-parsing http-client library-tools mock-data modular-design public-libraries web-scraping
Last synced: 23 Aug 2025
https://github.com/vargalaszlo87/crystal-equivalent-circuit
This is a crystal equivalent circuit in LTSpice.
crystal crystal-equivalent crystal-equivalent-circuit ltspice spice
Last synced: 22 May 2026
https://github.com/chris-huxtable/ip_address.cr
Encapsulates IPv4 and IPv6 Addresses and Blocks.
crystal crystal-lang crystal-language ipaddress ipaddresses shards
Last synced: 04 Apr 2025
https://github.com/radbas/container.cr
DI container for Crystal.
container crystal dependency-injection ioc
Last synced: 14 Jun 2025
https://github.com/sija/git-rewrite-author
CLI tool for rewriting author/committer history of a git repository
Last synced: 15 Apr 2026
https://github.com/homonoidian/synthax
Synthax is a simple parser synthesizer for Crystal
Last synced: 30 Mar 2025
https://github.com/icyleaf/pngdefry.cr
Pngdefry.cr is a wrapper for pngdefry that reverses the optimization Xcode does on png image included into ipa files to make the images readable by the browser.
Last synced: 15 Apr 2026
https://github.com/confact/crystal_xlsx
An Crystal library to write xlsx files with support of styles, custom width and frozen rows.
crystal excel excelwriter xlsx xlsxwriter
Last synced: 30 Mar 2025
https://github.com/grottopress/fella
An expressive HTTP log handler for Crystal
Last synced: 30 Mar 2025
https://github.com/frankvd/osrs-labs
OSRS xp tracker
crystal oldschool-runescape runescape
Last synced: 30 Mar 2025
https://github.com/kmilkevych/linecount
A tool to count lines of code in your projects and display the information in a fancy way
crystal lines-of-code project-management statistics
Last synced: 30 Mar 2025
https://github.com/darkstego/ortools-sat
Crystal Lang bindings for OR-Tools Sat solver
constraint-programming crystal crystal-lang ortools sat-solver
Last synced: 30 Mar 2025
https://github.com/rhaeguard/fragments
an experimental torrent client
bencode-parser bittorrent-client crystal
Last synced: 04 Jul 2025
https://github.com/rishavs/crog
A crystal metaparsing library
crystal crystal-language metaparser open-graph opengraph
Last synced: 13 Jun 2026
https://github.com/syeopite/kemal-routing-utils
Kemal Routing Utils provides helper utilities to help define and organize routes for a Kemal application in a more structured manner
crystal helper kemal utilities
Last synced: 15 Apr 2025
https://github.com/walshyb/polished-map-web
A map and tileset editor for pokecrystal, pokered, & derived projects. Written in C++ and JS. Based off of rangi42/polished-map.
assembly cpp crystal pokemon react redux sprites tilemap-editor typescript wasm webassembly
Last synced: 10 Apr 2026
https://github.com/lupincr/lupin-cli
:wolf: 🗃️ All in one Crystal Task Runner. The CLI.
crystal crystal-lang crystal-language task-runner
Last synced: 12 Apr 2025
https://github.com/petoem/mixpanel-crystal
Track events on Mixpanel with Crystal
Last synced: 27 Mar 2025
https://github.com/danielpclark/arel_cr
Rewrite of Arel from Ruby to Crystal… “Work in Progress”
Last synced: 25 Jun 2025
https://github.com/yukaii/gitlinker.cr
Portable file permalink generator written in Crystal language. Working with Kakoune out of the box.
command-line crystal crystal-lang git kakoune plugin
Last synced: 21 May 2026
https://github.com/danielpclark/base_custom_cr
Define any numeric base conversion with any identifier for each value.
Last synced: 12 Sep 2025
https://github.com/hostari/thunderstore_downloader
Downloads and unzips thunderstore package versions and walks through each file within the folder to get its SHA256 hash.
Last synced: 18 Mar 2025
https://github.com/syeopite/cryyjson
Simple crystal bindings to yyjson https://github.com/ibireme/yyjson
bindings c-bindings crystal json json-parser yyjson
Last synced: 18 May 2026
https://github.com/heypoom/axi-engine
Axi Engine: Experimental API Backend for the Axi Platform
Last synced: 31 Dec 2025
https://github.com/mamantoha/snowflake
Snowflake ID generator implementation in Crystal programming language
Last synced: 20 Oct 2025
https://github.com/jamestaylr/device-stat
Utility to monitor and report system statistics across machines
Last synced: 25 May 2026
https://github.com/hostari/hash_generator
Walk through a directory and generate SHA256 hashes of files
Last synced: 14 Jun 2025
https://github.com/mgomes/crystal-bench
Performance benchmarker for Crystal releases
Last synced: 29 Mar 2025
https://github.com/androidblobs/vendor_nokia_crystal
Vendor tree for Nokia 7.1
Last synced: 05 Apr 2025
https://github.com/qbart/dotenvs-cr
Dotenv loader for Crystal
crystal dotenv environment-variables
Last synced: 29 Mar 2025
https://github.com/maxyermayank/crystal-server
Crystal Report Server on AWS using Terraform
amazon-web-services aws aws-ami aws-ec2 crystal crystal-ec2-instances crystal-reports crystal-server devops hashicorp hashicorp-terraform iaac infrastructure-as-code terraform terraform-aws windows
Last synced: 10 Apr 2026
https://github.com/wizzardx/chatgpt_gateway
A Crystal service that extends ChatGPT's capabilities by providing a secure gateway for executing custom actions. Built using TDD practices and designed to run on DigitalOcean.
ai api-gateway chatgpt crystal openai tdd
Last synced: 04 May 2026
https://github.com/denisdefreyne/crystal-lox
crafting-interpreters crystal interpreter language lox parser
Last synced: 11 Sep 2025
https://github.com/crystal-loot/webless
HTTP::Client for testing HTTP::Handlers directly and maintaining cookies
Last synced: 31 Aug 2025
https://github.com/crystalsystems/crystal-v1.0
Open source social network under development.
crystal express-js js mern mit mongodb node-js open-source react social-network
Last synced: 10 Apr 2026
https://github.com/sidofc/2048-crystal
Attempt at porting my ruby 2048 to crystal :D
Last synced: 08 Jun 2026
