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/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/sidofc/2048-crystal
Attempt at porting my ruby 2048 to crystal :D
Last synced: 04 Mar 2025
https://github.com/coderobe/mcctl
MConnect Control - control available mconnect devices
crystal dbus kdeconnect mconnect
Last synced: 21 Mar 2025
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/crystal-loot/webless
HTTP::Client for testing HTTP::Handlers directly and maintaining cookies
Last synced: 31 Aug 2025
https://github.com/denysvitali/hello-optimization
Hello World comparison across languages
compilers cpp crystal gcc hello java optimization rust world
Last synced: 10 Sep 2025
https://github.com/mauricioccardoso/travel-api_crystal-kemal
API for storing and managing travel plans, integrated with the Rick and Morty API to fetch location information by ID. For a full-stack developer position.
api-rest backend crystal docker graphql kemal postgresql rickandmortyapi
Last synced: 31 Dec 2025
https://github.com/chrischtel/crystal-ls
A Language Server Protocol (LSP) implementation for the Crystal Programming Language. It is currently in very early development and is highly experimental
crystal golang language-server lsp lsp-server
Last synced: 29 Jul 2025
https://github.com/iamsocoodnjdsamjdfnsndaf/bmssp
🚀 Implement a near-optimal Bounded Multi-Source Shortest Path algorithm in Go, optimizing performance for large graphs beyond traditional methods.
benchmark benchmark-game bmssp bounded-multi-source-shortest-paths c crystal dijkstra-algorithm elixir erlang fastest-path graph graph-algorithms graphs graphs-theory kotlin nim search shortest-path-algorithm
Last synced: 26 Aug 2025
https://github.com/athena-framework/mime
Allows manipulating MIME messages
component crystal mime mime-type
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/albertkurtz/fast_dse
Crystal Scattering Library with Rust and Python
crystal debye dse maturin pyo3 python rust scattering
Last synced: 06 Nov 2025
https://github.com/lwakefield/a_star.cr
astar-algorithm crystal crystal-lang
Last synced: 16 Mar 2025
https://github.com/vjousse/lucky-realworld-example-app
Exemplary real world application built with Crystal + Lucky
Last synced: 30 Jun 2025
https://github.com/lost22git/priority_dequeue.cr
priority dequeue for Crystal, ported from Zig std
crystal min-max-heap priority-queue
Last synced: 30 Mar 2025
https://github.com/toreriklinnerud/chess-autoplan
Automatically adjust plan size depending on current usage
Last synced: 20 Mar 2025
https://github.com/apainintheneck/time-limit
Spawn fibers with execution time limits in Crystal
Last synced: 06 Jul 2025
https://github.com/fujikawahiroaki/lucky_postgis
Library for using PostGIS types in the Lucky framework and Avram ORM.
crystal crystal-lang lucky lucky-framework postgis postgresql
Last synced: 30 Mar 2025
https://github.com/sablokgaurav/crystal_shard_docker
A complete crystal shard install for docker maintenance on clusters plus for the visualization of the dockers and dockers swarm
clusters clusters-management crystal crystal-lang crystal-language docker docker-container
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: 18 Oct 2025
https://github.com/skull-squadron/tai
TAI time library for Crystal with leap-second corrections
crystal crystal-lang crystal-language date iso8601 tai tai64 tai64n time
Last synced: 30 Mar 2025
https://github.com/aerphanas/aswad
Indonesia Islamic Prayer Times and Interpretation of the Koran
crystal crystal-lang islam islamic islamic-prayer-times koran
Last synced: 30 Mar 2025
https://github.com/caustickirbyz/crystalpe
Crystal Lang library for parsing of x64/x86 Windows PE files.
binary-analy crystal crystal-lang crystal-language malware malware-analysis parsing pe pe-file pe-format pe-parser pefile reverse-engineering
Last synced: 30 Mar 2025
https://gitlab.com/eniehack/branca.cr
[W.I.P] branca(https://github.com/tuupola/branca-spec) implemention for crystal-lang(https://crystal-lang.org).
Last synced: 30 Mar 2025
https://github.com/leetcoin-releases/codewars
codewars is an elite platform for honing programming skills through gamified language-agnostic coding challenges called katas that promotes collaborative learning with peer-reviewed solutions and detailed discussions while offering ranked progression to empowers developers from novices to experts in mastering data structure and algorithms concepts.
asm c cobol coffeescript cpp crystal dart erlang golang javascript kotlin lua nim python ruby rust scala swift typescript vim
Last synced: 30 Dec 2025
https://github.com/ika-musuko/crystal-benchmarks-game
implementing some stuff from https://benchmarksgame-team.pages.debian.net/benchmarksgame/ just for fun
Last synced: 01 Apr 2025
https://github.com/stumpycr/stumpy_x11
Display a canvas as a X11 window [experimental]
Last synced: 20 Oct 2025
https://github.com/moba1/maybe
Crystal maybe monad
crystal crystal-lang crystal-language library
Last synced: 30 Mar 2025
https://github.com/blueq-world/crystal-report-batch-deployment-release-code
Use the .net SDK to batch upload reports and update the report login information in the Crystal Report Server.
batch-upload-crystal-report crystal crystal-report csharp update-logon-information-of-the-report
Last synced: 16 Aug 2025
https://github.com/romanthekat/advent_of_code
https://adventofcode.com
advent-of-code crystal golang kotlin nim nim-lang python ruby rust
Last synced: 07 Jan 2026
https://github.com/lupincr/lupin-www
:wolf: 📄 Official Lupin website
crystal crystal-lang crystal-language task-runner
Last synced: 12 Apr 2025
https://github.com/fusion/uncons.cr
A toy implementation of head|tail destructuring for the Immutable library
crystal functional functional-programming immutable persistent
Last synced: 26 Mar 2025
https://github.com/watzon/garlicoin.cr
WIP Garlicoin API connection library in Crystal
api-wrapper cryptocurrency crystal garlicoin
Last synced: 14 Jul 2025
https://github.com/idchlife/chrysalis-router
Simple router. url - attachment(YourType).
chrysalis crystal router routing
Last synced: 11 Jun 2025
https://github.com/uncomfyhalomacro/jewel.cr
Julia interop within Crystal
crystal crystallang interop julia julialang
Last synced: 31 Jan 2026
https://github.com/denysvitali/root-finding
Crystal implementation of some root findings algorithms
algorithms crystal root-finding
Last synced: 11 Jun 2025
https://github.com/hugoabonizio/callbacks.cr
:telephone_receiver: Define callbacks for methods in Crystal
Last synced: 30 Mar 2025
https://github.com/danielpclark/mightystring.cr
Powerful strings for Crystal (ported from Ruby's gem mightystring)
crystal shard string string-manipulation strings
Last synced: 21 Oct 2025
https://github.com/rymiel/shatter-chat
Minecraft JSON chat parser and formatter in crystal. Mirror of https://gitlab.com/rymiel/shatter-chat
Last synced: 28 Mar 2025
https://github.com/woodruffw/citibike.cr
A simple wrapper over the NYC CIti Bike GBFS feed.
Last synced: 28 Mar 2025
https://github.com/mamantoha/vk_auth
Crystal library for getting Vk Access Token without manually accessing vk.com website from the browser
Last synced: 12 Jul 2025
https://github.com/halfdan/filter-csv.cr
Filters CSVs based on a JSON configuration. Written in Crystal
Last synced: 14 Aug 2025
https://github.com/mmacia/chess
Chess program written in Crystal
chess chess-game crystal crystal-lang
Last synced: 20 Jul 2025
https://github.com/syrupthinker/crylsp
A rudimentary attempt at creating a language server for Crystal.
Last synced: 03 Nov 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/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: 30 Dec 2025
https://github.com/dmdv/opensea-crystal
Simple API which uses crystal, local cache to fetch information about NFT token using Opensea API
crystal crystal-lang crystal-language kemal opensea
Last synced: 14 Jul 2025
https://github.com/dougeverly/mybot.cr
Just a little bot for Slack that publishes rss feeds.
Last synced: 22 Sep 2025
https://github.com/rjnienaber/amazonite
An unofficial SDK supporting popular AWS APIs.
aws aws-crystal-sdk aws-sdk crystal
Last synced: 30 Oct 2025
https://github.com/crystal-china/hashr
Hashr is a tiny library makes test on JSON response easier, and can also be used as a models object.
Last synced: 03 Sep 2025
https://github.com/denisdefreyne/crystal-lox
crafting-interpreters crystal interpreter language lox parser
Last synced: 11 Sep 2025
https://github.com/hostari/bento_client
A crystal lang wrapper for the Bentonow API.
Last synced: 20 Jan 2026
https://github.com/sam0x17/bedrock
a full-featured, active-record-like ORM for Crystal targetting PostgreSQL and MySQL
crystal crystal-lang crystal-shard database-access database-migrations orm postgresql
Last synced: 07 Apr 2025
https://github.com/hostari/hash_generator
Walk through a directory and generate SHA256 hashes of files
Last synced: 14 Jun 2025
https://github.com/radbas/multibase.cr
Base transcoder (Base62, Base58, BaseN) with multibyte character alphabet support.
base-converter base58 base62 base85 crystal url-shortener
Last synced: 16 Mar 2025
https://github.com/deingithub/shashort
The world's first and only cryptographically secure link shortener
Last synced: 24 Mar 2025
https://github.com/ragmaanir/kontrol
Kontrol is a DSL to define validations for JSON data
Last synced: 03 Mar 2025
https://github.com/codewars/crystal-spec-codewars-formatter
Formatter for Crystal Spec
code-runner crystal test-reporting
Last synced: 27 Feb 2025
https://github.com/rymiel/nbt
Named Binary Tag implementation in Crystal. Mirror of https://gitlab.com/rymiel/nbt
Last synced: 04 Jul 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/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: 23 Feb 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: 23 Feb 2025
https://github.com/xframes-project/xframes-crystal
GPU accelerated UI development for Crystal
Last synced: 25 Oct 2025
https://github.com/cyangle/google_cloud_storage
Google Cloud Storage v1 crystal lang client generated by OpenAPI Generator
crystal crystal-lang google-cloud-storage openapi-generator
Last synced: 13 Aug 2025
https://github.com/federicotdn/crpty
Call forkpty(3) from Crystal code
c crystal forkpty openpty pseudoterminal pty terminal tty
Last synced: 25 Oct 2025
https://github.com/the-digital-garden/iu
iu (Lee Ji-eun) is a South Korean singer-songwriter and actress known for her soulful vocals and emotional performances. With hits like "Palette" and "BBIBBI," iu has solidified her status as one of the top solo artists in the K-pop industry.
bmstu cpp crystal cyrillic data-exchange designer hacktoberfest2018 iot istanbul-universitesi istanbul-university java poem ui vue
Last synced: 23 Feb 2025
https://github.com/sija/git-rewrite-author
CLI tool for rewriting author/committer history of a git repository
Last synced: 25 Oct 2025
https://github.com/fukaoi/crystal-go-bench
Crystal lang vs Go lang, benchmark result
Last synced: 26 Jul 2025
https://github.com/mjblack/wcl.cr
WINServer (Wildcat! BBS) Library Bindings for Crystal Language
crystal crystal-lang crystal-language crystal-shard wildcat winserver
Last synced: 09 Mar 2025
https://github.com/kojix2/zunsay
作りかけのVOICEVOXコマンドラインツール
crystal crystal-language voicevox
Last synced: 03 Apr 2025