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: 2026-03-25 00:06:52 UTC
- JSON Representation
https://github.com/kojix2/onnxruntime.cr
crystal crystal-language onnxruntime
Last synced: 12 Apr 2025
https://github.com/drujensen/diabetes
Crystal SHAINet example using Pima Indians dataset for Diabetes
artificial-intelligence crystal deep-learning machine-learning pima-diabetes-data shainet
Last synced: 28 Oct 2025
https://github.com/chris-huxtable/user_group.cr
Adds System Users and Groups.
crystal crystal-lang crystal-language shards
Last synced: 18 Aug 2025
https://github.com/imdrasil/pager
Easy to use paginator for modern crystal web framework
Last synced: 07 May 2025
https://github.com/vladfaust/cake-bake
Bake Cakefile into native Crystal code π
Last synced: 12 Mar 2025
https://github.com/bio-cr/bam-filter
Use simple expressions to filter a BAM/CRAM file
bam bioinformatics crystal genomics htslib
Last synced: 20 Aug 2025
https://github.com/dscottboggs/av.cr
WIP: an audio/video suite for Crystal, built on bindings to LibAV
audio-processing crystal crystal-language image-processing libav video-processing
Last synced: 29 Oct 2025
https://github.com/johnjansen/ternary_search_tree
A Crystal implementation of a Ternary Search Tree
Last synced: 10 Mar 2026
https://github.com/sstadick/lapper.cr
Crystal port of nim-lapper: a fast genomic intervals query library
algorithms bioinformatics crystal intervals
Last synced: 10 Aug 2025
https://github.com/marceloboeira/tmpdir.cr
π΅ Monkey Patch for tmp dir creation on Crystal standard library
crystal monkey-patching tmpdir
Last synced: 30 Jun 2025
https://github.com/mamiysr/surrealdb.cr
SurrealDB driver for Crystal
crystal database database-connector surreal surrealdb
Last synced: 17 Apr 2025
https://github.com/azutoolkit/dashforge
Dashforge is JoobQ Server Web Interface that allows you o monitor job queues processing, job latency, and errors in a beautiful LIVE components interface
crystal job processing queues redis ui
Last synced: 01 Aug 2025
https://github.com/Everscale-Network/fld.ton.dev
This repository of Free TON node has purpose to develop and test any kind of cases which can be dangerous for developer network and moreover main network. You are welcome for any activity which you can imagine! NO limits at all!
blockchain crystal fldnet freeton testnet ton
Last synced: 11 Mar 2025
https://github.com/ysbaddaden/siphash.cr
SipHash family of pseudo random functions implemented in Crystal
Last synced: 10 Sep 2025
https://github.com/ujjwalguptaofficial/shivneri-examples
Different Examples for shivneri framework
authentication backend-webdevelopment crystal crystal-lang crystal-language example-project file-server rest-api shivneri shivneri-framework websocket
Last synced: 12 May 2025
https://github.com/davydovanton/anybar_cr
Simple crystal wrapper for AnyBar
Last synced: 17 Apr 2025
https://github.com/ruivieira/crystal-vesta
Crystal executable Markdown
crystal literate-programming markdown
Last synced: 02 Sep 2025
https://github.com/randomstate/jwt
General purpose JWT library for Crystal. Focus on RSA algorithms to close gap in community.
Last synced: 15 Apr 2025
https://github.com/grottopress/simple_ssh
Simple stateless SSH communication
Last synced: 22 Apr 2025
https://github.com/arschles/cprox
A basic HTTP proxy & url shortener written in Crystal
crystal crystal-lang crystal-language
Last synced: 30 Jul 2025
https://github.com/ragmaanir/syntaks
Parser combinators for crystal
crystal ebnf parser-combinators peg
Last synced: 28 Nov 2025
https://github.com/athena-framework/negotiation
Framework agnostic content negotiation library
Last synced: 21 Apr 2025
https://github.com/mamantoha/shards_spec
A shard.yml parser for the Crystal language
crystal hacktoberfest parser shards yaml
Last synced: 07 May 2025
https://github.com/geopjr/gettext.cr
Crystal bindings for the GNU & Musl gettext library.
Last synced: 26 Oct 2025
https://github.com/codenoid/chuck-norris-holy-quotes
An Chuck Norris Holy Quotes written in Crystal
Last synced: 21 Jul 2025
https://github.com/akiicat/kemal_youtube_retriever
crystal kemal youtube retriever
crystal kemal language youtube
Last synced: 12 Apr 2025
https://github.com/crystal-garage/telegram_bot
Telegram Bot API Wrapper for Crystal :gem:
bot crystal hacktoberfest telegram telegram-bot telegram-bot-api
Last synced: 07 May 2025
https://github.com/mamantoha/telegram_bot
Telegram Bot API Wrapper for Crystal :gem:
bot crystal hacktoberfest telegram telegram-bot telegram-bot-api
Last synced: 10 Mar 2025
https://github.com/mamantoha/detransport_lviv_telegram
Public transport in Lviv πΊπ¦
crystal hacktoberfest telegram-bot
Last synced: 07 May 2025
https://github.com/geocrystal/geojson_area
Calculate the area inside of any GeoJSON geometry
Last synced: 17 Jun 2025
https://github.com/nedpals/m-dex
Library for parsing Mangadex.org data. Written on Crystal.
api-client crystal mangadex rest-api
Last synced: 04 Apr 2025
https://github.com/maiha/selenium-chrome.cr
A handy and thin wrapper for `selenium-webdriver-crystal`
Last synced: 14 Aug 2025
https://github.com/aquaflamingo/crystal-books
Basic Book Keeping CLI in Crystal
accounting cli crystal crystal-lang crystal-language
Last synced: 05 Mar 2026
https://github.com/vjousse/lucky-blog
A Blog engine using Crystal and the Lucky Framework
Last synced: 03 Apr 2025
https://github.com/randomstate/auth
A framework-agnostic strategy-based approach to authentication for crystal-lang
Last synced: 24 Jan 2026
https://github.com/wout/mailjet.cr
Mailjet API Client for Crystal https://app.mailjet.com
crystal mailing mailjet mailjet-api mailjet-sdk
Last synced: 25 Oct 2025
https://github.com/creadone/dl
Utility for download files by URLs from list
console crystal downloader linux macosx terminal
Last synced: 25 Oct 2025
https://github.com/confact/grack.cr
Grack ported to crystal - Git smart http backend server
Last synced: 21 Feb 2025
https://github.com/philnash/advent-of-code
Advent of Code 2017-2023 solutions in Crystal or JavaScript
advent-of-code advent-of-code-2017 advent-of-code-2018 advent-of-code-2019 advent-of-code-2020 advent-of-code-2021 advent-of-code-2022 advent-of-code-2023 crystal crystal-lang crystal-language
Last synced: 14 Apr 2025
https://github.com/refi64/rcmake
rcmake is a wrapper over CMake designed to avoid having to constantly repeat the same command-line arguments
cmake cmake-resources command-line command-line-tool crystal wrapper
Last synced: 02 Apr 2025
https://github.com/onyxframework/docs
The Onyx Framework documentation π
Last synced: 10 Apr 2025
https://github.com/athena-framework/image-size
Measures the size of various image formats
Last synced: 14 Mar 2026
https://github.com/vllur/shroom
General purpose Discord bot.
bot crystal crystal-lang discord discord-bot discordcr
Last synced: 12 May 2025
https://github.com/tamnac/crystal-cookbook
Your guide to doing anything in crystal
crystal crystal-lang learning-resources
Last synced: 12 May 2025
https://github.com/crystallabs/gpm.cr
Crystal client for GPM (console mouse)
console crystal crystal-lang crystal-language gpm mouse terminal
Last synced: 18 Feb 2026
https://github.com/geopjr/asar-cr
A crystal library to read from, pack into and extract from .asar archives.
asar asar-archive crystal discord electron
Last synced: 15 Aug 2025
https://github.com/anamba/local_time_helper.cr
Crystal port of local_time view helper from local_time gem (https://github.com/basecamp/local_time)
crystal crystal-lang crystal-language helper local-time shard
Last synced: 11 Oct 2025
https://github.com/edgarortegaramirez/aws-kcl.cr
AWS Kinesis Consumer Library written in Crystal
Last synced: 11 Oct 2025
https://github.com/saildot4k/crystal-chip-r34-v3
CC R34 v3 support to boot BM from MemCard 1 OR MemCard 2. USB/iHDD EXPERIMENTAL. MMCE support added. Quality of life changes for CD recovery boot and regular boot scripts.
Last synced: 11 Apr 2025
https://github.com/hlgirard/xptools
An experimentalist's toolbox to display images, detect particles, bubbles and crystals and analyze their shape, size and distibution.
bubble crystal droplet image-analysis image-segmentation video-processing
Last synced: 07 Oct 2025
https://github.com/mamantoha/resolv-crystal
A DNS resolver library written in Crystal
Last synced: 13 Oct 2025
https://github.com/mccallofthewild/crystal-shards-101
A How-To Guide and Checklist for Releasing Crystal Shards
crystal crystal-language crystal-shards crystallang shards
Last synced: 30 Mar 2025
https://github.com/crystal-garage/kemal-kilt
Kilt templating interface helpers for Kemal
Last synced: 06 Oct 2025
https://github.com/lwakefield/lexer.cr
A super simple regex based lexer written in Crystal.
crystal crystal-lang crystal-language lexer
Last synced: 30 Mar 2025
https://github.com/henrikac/kemal-authorizer
A shard that makes it easy to make specific routes in a Kemal application only accessible to either anonymous, authenticated or authorized users.
crystal crystal-lang crystal-language
Last synced: 30 Mar 2025
https://github.com/naqvis/json-xpath
Provide XPath support on JSON document
crystal crystal-lang crystal-language json json-xpath xpath2
Last synced: 30 Mar 2025
https://github.com/hugopl/vte.cr
Crystal bindings for VTE library
crystal gtk linux terminal terminal-emulator vte widget
Last synced: 20 Mar 2025
https://github.com/krishpranav/sslscan
A SSL Scanner Written In Crystal-Lang
crystal crystal-lang framework hacking network-scanner openssl scanner security ssl website website-scanner
Last synced: 10 Feb 2026
https://github.com/faustinoaq/pet-tracker
Amber Framework demo for Quick Start guide
Last synced: 08 Feb 2026
https://github.com/fukaoi/crystal-ethereum
Ethereum blockchain client sdk for Crystal
blockchain crystal crystal-lang ethereum sdk
Last synced: 28 Apr 2025
https://github.com/naqvis/containerregistry.cr
Crystal library for working with container registries.
container-registries container-registry crystal crystal-lang crystal-language
Last synced: 30 Mar 2025
https://github.com/pixelinc/rss-feed.cr
A rewrite of https://github.com/ga2mer/rss-feed-emitter.cr
crystal crystal-lang crystal-language feed-aggregator feed-parser rss-feed-parser rss-feed-xml
Last synced: 25 Mar 2025
https://github.com/geopjr/vitepressify
ππ Convert Crystal docs into VitePress
crystal docs documentation vitepress
Last synced: 23 Sep 2025
https://github.com/anamba/sri_hash.cr
Generates SRI hash or complete script tag for a resource
crystal crystal-lang crystal-language shard sri subresource-integrity
Last synced: 03 Jan 2026
https://github.com/saildot4k/crystal-chip-r34-v4
CC R34 v4 support to boot BM from MemCard 1 OR MemCard 2. USB/iHDD EXPERIMENTAL. MMCE support added. Quality of life changes for CD recovery boot and regular boot scripts.
Last synced: 13 Jun 2025
https://github.com/rodrigopinto/cuid
Collision-resistant ids optimized for horizontal scaling and performance, in Crystal
Last synced: 24 Apr 2025
https://github.com/fukaoi/crystal-v8
V8 Javascript engine for Crystal.
crstal-lang crystal javascript v8
Last synced: 29 Mar 2025
https://github.com/tcrouch/multiset.cr
Multiset (bag) implementation in Crystal
bag crystal data-structures multiset set
Last synced: 12 Apr 2025
https://github.com/fdocr/crystalsnake
A BattleSnake template written in Crystal
Last synced: 13 Apr 2025
https://github.com/cyangle/google-auth
Google OAuth2 library for crystal
crystal crystal-lang google-cloud oauth2-authentication oauth2-client
Last synced: 07 Jan 2026
https://github.com/chris-huxtable/nongrata
Securely generates sanitized, aggregate, IP blacklists
blacklist blacklist-ips crystal crystal-language
Last synced: 04 Apr 2025
https://github.com/taylorfinnell/genie-cli
Netflix Genie CLI
cli crystal genie netflix-genie
Last synced: 01 Mar 2026
https://github.com/cjburkey01/bulletlang
A language as easy as Ruby and Java but as efficient as C!
c c-language crystal crystal-language custom-programming-language go go-lang java java-8 java-language programming programming-language programming-languages ruby
Last synced: 30 Dec 2025
https://github.com/busyloop/cliq
A simple CLI Framework for subcommand driven user interfaces.
Last synced: 20 Jun 2025
https://github.com/lucasintel/iuliia-cr
π·πΊ Cyrillic β Latin transliteration for Crystal
crystal cyrilic iuliia russian-language transliteration
Last synced: 24 Sep 2025
https://github.com/icy-arctic-fox/geode
Mathematics library for Crystal supporting vectors, matrices, quaternions, and more.
Last synced: 07 Jan 2026
https://github.com/crystallabs/unibilium.cr
Crystal bindings for Unibilium, a terminfo library
bindings crystal crystal-binding crystal-lang crystal-shard terminfo terminfo-data terminfo-parser terminfo-parsing-library unibilium-bindings
Last synced: 23 Apr 2025
https://github.com/huacnlee/remarkdown
This is extends of Markdown lib from Crystal Stdlib for Support Markdown GFM.
Last synced: 02 May 2025
https://github.com/lucasintel/likee.cr
Unofficial Likee API wrapper for Crystal
Last synced: 13 Apr 2025
https://github.com/mauricioabreu/owl-cms
Simple CMS written in Crystal lang
Last synced: 26 Sep 2025
https://github.com/senorprogrammer/sdns
A command-line DNS switcher for macOS: 'sdns switch google'.
Last synced: 05 Apr 2025
https://github.com/josacar/walker_method
A Crystal implementation of Walker's Alias Method for quickly sampling from an array with a given probability distribution
algorithm crystal crystal-language hacktoberfest probability shards walker-alias
Last synced: 19 Apr 2025
https://github.com/i3oris/topdown
Parser shard using top down operator precedence and Pratt Parsing.
Last synced: 19 Apr 2025