Ranked awesome lists, all in one place

This list is a copy of veelenga/awesome-crystal with ranks

Awesome Crystal

A curated list of awesome Crystal code and resources. Inspired by awesome and awesome-awesomeness ★21639. The goal is to have projects mostly stable and useful for the community.

Search Crystal Shards or follow announcements Crystal [ANN] for more.

Contributions are welcome. Please take a quick look at the contribution guidelines first.

Awesome Crystal
Community
- Unofficial
Resources
- Official Documentation Translations
Services and Apps
Tools

Algorithms and Data structures

aho_corasick ★1 ⏳2Y - AhoCorasick algorithm
crystal-diff ★18 ⏳1Y - A Crystal sequence differencing implementation
crystal-linked-list ★6 ⏳1Y - Implementation of Linked List
crystaledge ★10 - A pure Vector Math library
crystalg ★13 - A Generic Algorithm Library
crystalline ★84 - A collection of containers and algorithms
delimiter_tree ★7 ⏳1Y - A tree structure that is built using a delimiter
edits.cr ★8 - Collection of edit distance algorithms
hash_ring ★0 - An Implementation of Consistent Hash Ring
markov ★9 - Build Markov Chains and run Markov Processes
miller_rabin ★0 - Implements Miller-Rabin algorithm to check if a number is prime
multiset.cr ★1 ⏳1Y - Implementation of a multiset
murmur3 ★2 ⏳1Y - Implementation of Murmur3 hash algorithm used by Cassandra
oak ★5 - A flexible Radix Tree implementation
radix ★48 - Radix Tree implementation
ternary_search_tree ★1 ⏳1Y - Ternary Search Tree
text ★14 ⏳1Y - A collection of text algorithms

Api Builders

kemal-rest-api ★25 - A library to create RESTful API with Kemal

Blockchain

SushiChain ★94 - A custom blockchain platform

C bindings

asound-cr ★3 - Bindings for ALSA/libasound
cairo-cr ★4 - Bindings for Cairo graphics library
clang.cr ★14 - Libclang bindings
crass ★8 - Bindings for libsass
crt.cr ★17 - Bindings for libncursesw and crt
crystal-gsl ★10 - GNU Scientific Library bindings
curl-crystal ★6 ⏳1Y - Bindings for libcurl
duktape.cr - Bindings for the Duktape ★3257 javascript engine
gphoto2.cr ★7 - Bindings for the libgphoto2 library
icu.cr ★3 - Bindings for the ICU library
libnotify.cr ★14 - Bindings for Libnotify
pcap.cr ★16 - Bindings for libpcap
pledge.cr ★0 - Bindings for OpenBSD’s pledge(2)
posix ★21 ⏳1Y - POSIX/C bindings
soundfile ★2 ⏳1Y - Bindings for libsndfile library
ssh2.cr ★29 - Bindings for libssh2 library
termbox-crystal - Bindings and extension library for termbox ★1261 (terminal UI library)
x11-cr ★11 - X11 bindings
x_do.cr - Bindings for libxdo (xdotool ★641)

Caching

bloom_filter ★21 - Implementation of Bloom filter
bojack ★66 - A non-reliable in-memory key-value store
cache-hash ★13 - A key/value store where entries expire after a specified interval
crystal-memcached ★23 - Implementation of a memcached client
Nuummite ★11 - A tiny persistent embedded key-value store

Cli Builders

admiral ★64 - A robust DSL for writing command line interfaces
cli ★59 - Library for building command-line interface applications
clicr ★7 - A simple declarative command line interface builder
clim ★33 - Slim command line interface builder
commander ★70 - Command-line interface builder
completion ★49 ⏳1Y - Easy command line completion engine
optarg ★15 - Yet another library for parsing command-line options and arguments
OptionParser - command-line options processing (Crystal stdlib)

Cli Utils

dl ★2 - Simple utility for download files by URLs from list
noteesh ★3 - Notes and Todo list in command line
progress ★99 ⏳1Y - [==..] Progress bar
progress_bar.cr ★3 ⏳1Y - A simple and customizable progress bar
spinner ★38 - Terminal Spinner
terminal_table.cr ★17 ⏳1Y - Simple ASCII table generator
todo ★2 - Todo list working in command line

Code Analysis and Metrics

ameba ★108 - A static code analysis tool
trashman ★16 - A simple memory profiler for Crystal applications

Configuration

cr-dotenv ★37 - Loads .env file
habitat ★26 - Type safe configuration for your classes and modules

Converters

human_file_size.cr ★0 - JSON & YAML mapping converter for human file sizes in serialized data
money - Handling money and currency conversion with ease (almost complete port of RubyMoney ★1978)
moola - Library for dealing with money and conversion (inspired by RubyMoney ★1978)
ms ★13 ⏳1Y - Library to easily convert various time formats to milliseconds and milliseconds to human readable format
sass.cr - Compile SASS/SCSS to CSS (libsass ★3799 binding)
time_format.cr ★0 - Convert time in human readable format with ease
turkish-number ★7 ⏳1Y - Turn integers into the Turkish words
wkhtmltopdf-crystal ★8 ⏳1Y - Bindings / wrapper for libwkhtmltox (HTML to PDF / image converter)

Data Formats

config.cr ★0 - Easy to use configuration format parser
crinder ★13 - Class based json renderer
crystal-toml ★29 - TOML parser
CSV - parsing and generating for comma-separated values (Crystal stdlib)
dockerfile.cr ★1 ⏳2Y - Dockerfile Parsing Library
front_matter.cr ★0 - Separates a files front matter from its content
Gzip - readers and writers of gzip format (Crystal stdlib)
INI - INI file parser (Crystal stdlib)
JSON - parsing and generating JSON documents (Crystal stdlib)
maxminddb.cr ★7 - parsing MaxMindDB files, including the GeoIP2
XML - parsing and generating XML documents (Crystal stdlib)
YAML - parsing and generating YAML documents (Crystal stdlib)
Zip - readers and writers of zip format (Crystal stdlib)
Zlib - readers and writers of zlib format (Crystal stdlib)
zq ★2 ⏳1Y - Command-line ZPL processor

Data Generators

faker ★82 - A library for generating fake data
hashids.cr ★27 - A library to generate YouTube-like ids from one or many numbers

Database Drivers/Clients

arangocr ★15 - ArangoDB client
crystal-db ★111 - Common db api
crystal-monetdb-libmapi ★1 - Bindings for MonetDB
crystal-mysql ★44 - MySQL connector for Crystal
crystal-pg ★268 - A Postgres driver
crystal-redis ★234 - Full featured Redis client
crystal-sqlite3 ★57 - SQLite3 bindings
eventql-crystal ★6 ⏳1Y - EventQL driver
leveldb ★24 - Crystal bindings for LevelDB
mongo.cr ★83 - Binding for MongoDB C driver
rethinkdb.cr - RethinkDB Driver
rocksdb.cr ★17 - RocksDB client
tarantool-crystal ★9 - Tarantool driver

Database Tools

crecto-admin ★15 - Admin dashboard for Crecto and your database
micrate - Database migration tool
migrate ★10 - A simpler database migration tool with transactions
migro ★7 - A database migration tool that allows migrations to be specified in either YAML or raw SQL

Development Tools

guardian ★209 - File change watcher for Crystal and Non-Crystal libs
kemal-watcher ★8 - Kemal plugin to watch files and live-reload the browser
sentry ★136 - Watches src files, rebuilds/reruns application on file changes
sentry-run ★4 - Reload code changes using Sentry.run
Warden ★7 - Watches files, run command and a git command if succeed on file changes
watcher ★6 - Watch file changes using File.stat

Email

carbon ★17 - Fun, testable, and adapter-based email library
crystal-email ★51 - Simple e-mail sending library
CrystalEmail ★13 - A RFC compliant Email validator
devmail ★14 - A combined SMTP/POP3-server with volatile mail storage
sendgrid.cr ★5 ⏳1Y - Simple Sendgrid Client

Environment Management

asdf-crystal ★10 - Plugin for asdf version manager
crenv ★154 ⏳1Y - Crystal version manager
rcm.cr ★26 - Redis Cluster Manager

Examples and funny stuff

battlesnake_crystal ★2 - Tron snake for battlesnake competition
breakout.cr ★8 - Breakout game written using crsfml
chuck-norris-holy-quotes ★4 - Chuck Norris holy quotes
clamp ★1 - Clamp any Comparable
crsfml-examples ★37 - Simple games made with CrSFML
crystal-benchmarks-game ★60 ⏳1Y - The Computer Language Benchmarks Game
crystal-by-example ★322 - Crystal By Example
Crystal-Maze - A* Path finding for PNG mazes
crystal-mysql-crud-example ★0 - Crystal MySQL CRUD example
crystal-patterns ★99 - Examples of GOF patters
crystalized_ruby ★117 - Native Ruby extensions written in Crystal
exercism-crystal ★39 - Exercism exercises
jihantoro-cr-mysql ★0 - Crystal MySQL from scratch sample app
jihantoro.sd ★1 - Crystal & Kemal version of Serdar Dogruyol blog
kemal-chat ★41 ⏳1Y - Build realtime applications with Kemal and WebSocket
kemal-heroku-example ★2 ⏳1Y - This repository shows, how you can publish your open source apps which powered kemal framework publish as heroku app in seconds
kemal-mysql-blog ★4 - Blog written with Crystal, Kemal and MySQL
kemal-react-chat ★56 ⏳1Y - Build Realtime Web applications with Kemal and React
kemal-vue-chat ★23 - Build Realtime Web applications with Kemal and Vue.js
lattice-core-card-game ★138 ⏳1Y - A demo web app for (WebSocket-based) lattice-core
medley ★9 - A mixture of music related methods
os-crystal ★37 ⏳1Y - x86 Kernel implemented in Crystal
realtime-todo-app ★15 ⏳1Y - Realtime Todo application developed with Kemal, Websockets, React, ES2015 and PostgreSQL
rocky ★89 - React Over Crystal Kemal and Yarn
try.cr ★19 ⏳1Y - Try monad

Feature Flipping

flipper ★11 - Feature flipping/flags/rollouts. Supports multiple backends

Framework Components

cr-melon ★8 ⏳1Y - Class based Http APIs
Crystal-DI ★17 - Lightweight DI Container
crystal-mime ★19 - Mimetypes for Crystal
device_detector ★3 - Shard for detect device by user agent string
Exception Page ★12 - An exceptional exception page for Crystal web libraries and frameworks
graphql-crystal ★104 - Graphql implementation
kave ★20 - Kemal API Version Extension
kemal-auth-token ★19 ⏳1Y - Kemal middleware to authentication via HTTP header token using JWT
kemal-monetdb ★0 ⏳2Y - MonetDB Data connection for Kemal
kemal-session ★27 - Session handler for Kemal
mime-types.cr ★7 - A port of the Ruby MIME-types library
multi-auth ★36 - Standardized multi-provider OAuth2 authentication (inspired by omniauth)
phoenix.cr ★19 - Phoenix Channels client
request_id ★3 - Middleware for generates / pick up a unique request ID for Crystal servers
response_time ★7 ⏳1Y - Response time for Crystal servers (pure http server, kemal, etc.)
spec-kemal ★35 - Easy testing for Kemal
tele-broadcast.cr ★1 - Broadcasting module for tele.cr

Game Development

cray - Bindings for raylib, an easy-to-use game development library
CrSFML ★188 - Bindings to SFML multimedia/game library
crystal-chipmunk ★19 - Bindings for Chipmunk, a fast and lightweight 2D game physics library
glove ★45 - A library for gaming development
inari ★11 - A collection of games using Glove as the game engine
mos_game ★13 - Mini Offline Singleplayer game

GUI library

hedron ★17 - An extendable GUI library, with markup language capabilities
libui.cr - Bindings for libui ★7365
qt5.cr ★94 - Qt5 bindings for Crystal, based on Bindgen

HTML/XML Parsing

crystagiri - An Html Reader / parser like Nokogiri ★4835 Ruby gem
gumbo-crystal - Bindings for Gumbo ★4302, an HTML5 parsing library made by Google
hq.cr ★6 - Simple wrapper for crystal-xml
modest ★42 - CSS selectors for HTML5 Parser myhtml
myhtml ★44 - Fast HTML5 Parser

HTTP

cossack ★78 - Simple flexible HTTP client
crest ★54 - Simple HTTP and REST client, inspired by the Ruby’s RestClient gem
crul ★98 - Command line HTTP client
cryload ★111 - HTTP benchmarking tool
halite ★40 - Crystal HTTP Requests with a chainable REST API, built-in sessions and loggers
helmet ★14 - Set security-related HTTP headers
http-multiserver.cr ★13 - Mounting multiple servers via routes (a.k.a. URL mapping)
http-protection ★37 - Protection against typical web attacks
http2 ★51 - HTTP/2 Protocol Implementation
HTTP::Client - HTTP client (Crystal stdlib)
HTTP::Server - HTTP server (Crystal stdlib)
HTTP::WebSocket - HTTP WebSocket client (Crystal stdlib)
http_distributor ★2 ⏳1Y - HTTP server which allows sneaky http requests
http_parser.cr - Wrapper for Http Parser lib ★4006
keyer_cr ★0 ⏳1Y - Adds HTTP GET/POST parameter parsing as a Hash-like object
ngrok.cr ★8 - Ngrok wrapper
resp-crystal ★5 ⏳1Y - Lightweight RESP client

Image processing

magickwand-crystal ★31 - Bindings for MagickWand, the C interface for ImageMagick processing libraries
stumpy_gif ★8 - Write (animated) GIF images
stumpy_png ★43 - Read and write PNG images

Implementations/Compilers

charly - Charly Programming Language
cltk ★45 - A crystal port of the Ruby Language Toolkit
cppize ★24 ⏳1Y - Crystal-to-C++ transpiler
crisp ★20 - Lisp dialect implemented with Crystal
crow ★46 ⏳1Y - Transpile/compile Crystal to Flow
mint-lang ★631 - A refreshing programming language for the front-end web
myst-lang - A practical, dynamic language designed to be written and understood as easily and efficiently as possible
NuummiteOS ★52 ⏳1Y - An OS written in Crystal as a Proof of Concept
runic-lang - In-design toy language
zir ★15 ⏳1Y - Realizes to write macros in any scripts into any languages

Logging and monitoring

crometheus - A Prometheus client library
crystal-logreader ★1 ⏳1Y - Tailing log file
fluent-logger-crystal ★2 - A structured logger for Fluentd
instana ★8 - A metrics and distributed trace collector for Instana
katip ★19 - JSONbase logger
Logger - logging utility (Crystal stdlib)
statsd.cr - Statsd ★12972 client library
syslog.cr ★7 ⏳1Y - Implementation of Syslog client

Machine Learning

ai4cr ★8 - Artificial Intelligence (based on https://github.com/SergioFierens/ai4r)
crystal-fann ★67 - FANN (Fast Artifical Neural Network) binding
crystal-learn ★32 - Sklearn-like machine-learning library
grey_matter ★8 ⏳1Y - A basic artificial neural network library
shainet ★62 - SHAInet (Neural Network in pure crystal)
tensorflow.cr - Bindings for TensorFlow ★103699

Markdown/Text Processors

html-pipeline ★5 - HTML processing filters and utilities
markd ★15 - Yet another markdown parser built for speed, Compliant to CommonMark specification
remarkdown ★4 ⏳1Y - GFM for Crystal

Misc

aasm.cr ★26 - Easy to use finite state machine for Crystal classes
accord ★16 - Sharable validations for Crystal objects
any_hash.cr ★12 - Recursive Hash with better JSON::Any included
atomic_write.cr ★3 - Library for writing or apppending files atomically
burocracia.cr ★10 - burocracia.cr the dependecyless shard to validate, generate and format Brazilian burocracias such as CPF, CNPJ and CEP
circuit_breaker ★15 ⏳1Y - Implementation of the circuit breaker pattern
crystal-binary_parser ★6 - Binary parser
crystal-futures ★45 ⏳1Y - Future type implementation
crz ★27 - Functional programming library
denetmen ★21 ⏳1Y - Useful micro validator / check library
emoji.cr ★16 - Emoji library
hoop ★183 - Building native OSX apps
html_builder ★31 - DSL for creating HTML
i18n.cr ★9 - Internationalization shard
immutable ★136 ⏳1Y - Implementation of thread-safe, persistent, immutable collections
inflector.cr ★28 - Singularize, pluralize, camelize, etc (port from ActiveSupport)
lirith ★19 - Graphics engine
m3u8 ★3 - Generate and parse m3u8 playlists for HTTP Live Streaming
manual-generator ★0 ⏳1Y - Tool to generate PDF manuals from documentation sites
raytracer ★26 - CPU Raytracer with examples
syscall.cr ★14 ⏳1Y - Raw syscall interface
tren ★83 ⏳1Y - Give your SQL some love
ulid ★9 - Universally Unique Lexicographically Sortable Identifier (ULID)
wikicr ★9 - Wiki using git to manage revisions

Network Protocols

amqp.cr ★39 - AMQP 0.9.1 client with RabbitMQ extensions
bson.cr ★13 ⏳1Y - Native BSON implementation
Crirc ★15 - IRC protocol implementation (Client, Server, Bots)
fast_irc.cr ★7 - Fast IRC parser/generator
jwt ★84 - Implementation of JWT (JSON Web Token)
msgpack-crystal ★73 - MessagePack library
OAuth - OAuth consumer (Crystal stdlib)
OAuth2 - OAuth2 client (Crystal stdlib)
OpenSSL - bindings to libssl (Crystal stdlib)
transfer_more ★11 - Clone of transfer.sh to uploads files

Networking

ipaddress.cr ★18 - Library to handle IPv4 and IPv6 addresses

ORM/ODM Extensions

active_record.cr ★176 ⏳1Y - Active Record pattern implementation
clear ★34 - ORM specialized to PostgreSQL only but with advanced features
core ★37 - Pure, transparent and efficient ORM
crecto ★225 - Database wrapper, based on Ecto
granite ★116 - ORM for Postgres, Mysql, Sqlite
jennifer.cr ★132 - Active Record pattern implementation with flexible query chainable builder and migration system
ohm-crystal ★49 - Object-hash mapping library for Redis
record - Type safe querying, saving and updating
redis-tsv.cr ★4 ⏳1Y - Import and export data from Redis in TSV format
stal-crystal ★3 ⏳1Y - Set algebra solver for Redis
topaz ★54 - A simple and useful db wrapper

Package Management

CRelease ★12 - Version and git tag manager that makes shard releases easy
shards ★441 - Dependency manager for the Crystal

Processes and Threads

neph ★122 - A modern command line job processor that can execute jobs concurrently
promise ★27 ⏳1Y - A Promise Implementation

Project Generators

bindgencr ★0 - Generator of bindings based on castxml output
crystal_lib ★88 - Automatic binding generator for native libraries
fez ★33 ⏳1Y - A Kemal application generator
kgen ★11 - Kemalyst command line tool for console, init, generate (scaffolding), and watch.
libgen ★18 - Automatic bindings generator configured using JSON/YAML files
wasp ★6 - Static Site Generator

Queues and Messaging

dispatch ★10 - In memory asynchronous job processing
mosquito ★19 - Redis backed periodic and ad hoc job processing
sidekiq.cr ★472 - Simple, efficient job processing

Routing

crouter ★45 ⏳1Y - A standalone router
orion ★38 - A minimal, rails-esque routing library
router.cr ★165 - Minimum but powerful http router for HTTP::Server
toro ★63 ⏳1Y - Tree Oriented Routing

Scheduling

cron_scheduler ★22 - Job scheduler with crontab patterns
crystime - Advanced time, calendar, schedule, and remind library
quartz ★4 ⏳1Y - Crystal clear timers
schedule.cr ★41 - Run periodic tasks

Science and Data analysis

linalg ★11 - Linear algebra library inspired by MATLAB and SciPy.linalg
predict.cr ★8 - Satellite prediction library using the sgp4 model
scorystal ★3 ⏳1Y - Scoring API for PMML - supports RF and GBM
stats ★14 - An expressive implementation of statistical distributions

Search

hermes ★14 ⏳1Y - Data Mapper pattern implementation for ElastiSearch
query-builder ★36 - Sql Query Builder library
query.cr ★10 ⏳1Y - Query abstraction
soegen ★15 - Elasticsearch client for Crystal similar to the stretcher gem for ruby

System

baked_file_system ★82 - Virtual file system implementation
hardware ★13 - Get CPU, Memory and Network informations of the running OS and its processes
rcpu ★33 ⏳1Y - A virtual machine emulator and assembler

Task management

cake ★10 ⏳1Y - Production-ready Make-like utility tool
sam ★27 - Another one Rake-like task manager with namespacing and arguments system

Template Engine

crikey - Templating engine inspired by Hiccup ★1758
crinja ★26 - An implementation of the Jinja2 template engine
crustache ★36 - for Crystal
ECR (Embedded Crystal) - compile time template language which uses plain crystal expressions (Crystal stdlib)
Kilt ★82 - Abstraction layer for template engines
Slang ★120 - Lightweight, terse, templating language inspired by Ruby’s Slim
teeplate ★5 - A library for rendering multiple template files
temel ★38 - Extensible HTML::Builder alternative for Crystal, supports custom tag definitions

Testing

coverage ★14 – Generate cover report for your crystal code
crotest ★19 ⏳2Y - A tiny and simple test framework
LuckyFlow ★23 - Automated browser tests similar to Capybara
mass-spec ★3 - Web API testing library
microtest ★15 - Small opinionated testing library focusing on power asserts
minitest.cr ★74 - Library for unit tests and assertions
mocks.cr ★26 ⏳1Y - Mocking library for Crystal
Spec - spec framework (Crystal stdlib)
spec2-mocks ★7 ⏳1Y - An adapter of mocks.cr for spec2.cr
spec2.cr ★83 - Enhanced testing library
timecop.cr - Library for mocking with Time.now. Inspired by timecop ruby gem ★2637
webmock.cr ★50 - Library for stubbing HTTP::Client requests

Third-party APIs

aws-signer.cr ★7 - This library signs your HTTP requests using AWS v4
awscr-s3 ★27 - AWS S3 interface
awscr-signer ★5 - Sign HTTP::Request objects and generate presigned post forms
bugsnag.cr ★5 - Bugsnag exception notifier and sidekiq middleware
crystal-darksky ★4 - Wrapper for the Dark Sky API
crystal-github ★2 ⏳1Y - Wrapper for the Github API
crystal-monzo ★0 ⏳1Y - A client for the Monzo API
crystal-swapi ★1 - Star Wars API (SWAPI) wrapper
crystal_slack ★11 - A tool that parses Slack slash commands or send incoming web hooks
dotacr ★8 - Wrapper for Valve’s DotA API
GDAX ★3 - GDAX REST and WebSocket API Wrapper with request signing
gitlab.cr ★9 - GitLab API wrapper
google_maps_api ★9 ⏳1Y - Google Maps API
hncr ★1 ⏳1Y - A Hacker News API wrapper
mixpanel-crystal ★0 - A library for sending events to Mixpanel
nexmo-crystal ★1 ⏳1Y - Nexmo REST API client
ocean_kit ★5 - Digital Ocean v2 API client
open_exchange_rates ★9 ⏳1Y - A library to access Open Exchange Rates API
pinboard.cr ★3 - Pinboard API
raven.cr - Raven is a client for Sentry ★16925
slack.cr ★9 ⏳1Y - A Slack Real Time Messaging API WebSocket client library
spotify.cr ★28 ⏳1Y - A library to access the Spotify API
tele.cr ★16 - A convenient wrapper for the Telegram Bot API
telegram_bot ★51 - A wrapper for the Telegram Bot API
tourmaline ★15 - Yet another Telegram Bot API wrapper
twitter-crystal ★64 - A library to access the Twitter API

Web Frameworks

amber ★1153 - Open source efficient and cohesive web application framework
kemal ★2209 - Lightning Fast, Super Simple web framework. Inspired by Sinatra
lattice-core ★46 ⏳1Y - A WebSocket-first object-oriented framework (based on Kemal)
lucky ★858 - Catch bugs early, forget about most performance issues, and spend more time on code instead of debugging and writing tests
prism ★25 - Light, modular web framework
raze ★115 - Modular, light web framework
spider-gazelle ★12 - A Rails esque web framework with a focus on speed and extensibility

Web Servers

fast-http-server ★126 - Super fast, zero configuration command line HTTP Server
prax.cr ★112 - Rack proxy server for development
salt ★11 - A Human Friendly Interface for HTTP server
serve ★13 ⏳1Y - Command line static HTTP server

Community

Crystal weekly newsletters
Gitter
Google Group
IRC - #crystal-lang on Freenode
Metaruby - Crystal Forum on Metaruby
Reddit
Stackoverflow

Unofficial

Russian-speaking Telegram Group - Добро пожаловать, товарищ!

Resources

Crystal for Rubyists - free book to bootstrap your Crystal journey
crystal-lang.org - Official language site
devdocs.io - API Documentation Browser with Crystal support

Official Documentation Translations

br.crystal-lang.org - Brazilian
ja.crystal-lang.org - Japanese
kr.crystal-lang.org - Korean
ru.crystal-lang.org - Russian
tw.crystal-lang.org - Chinese Traditional

Services and Apps

carc.in - A web service that runs your code and displays the result
Crank ★32 ⏳1Y - A Procfile-based application manager (like Foreman)
cry ★11 - Ability to execute crystal code in a fashion similar to Ruby’s pry edit
Crystal [ANN] - Announce new project, blog post, version update or any other Crystal work
crystalshards.herokuapp.com, crystalshards.xyz - Web services that list all available Crystal shards
Crystular - Regular expression tester
DeBot ★30 - IRC bot written in Crystal
Ficha ★18 - A super secret chat app, for any body who needs privacy
Firegrid ★5 - Click anywhere with only a few key strokes
icr ★292 - Interactive console for Crystal (like IRB for Ruby)
JSON to Crystal - Paste in a JSON object and get Crystal mappings in response
mpngin ★7 - A URL shortener with simple stats
nes ★39 ⏳1Y - A NES emulator
shards.rocks - Service that manages dependencies inspired by Gemnasium and David
soundmemes.cr - Telegram Bot built on top of tele.cr
torrent ★30 - A BitTorrent client

Tools

crystal-base ★0 - CentOS base docker image for Crystal development
crystal-ctags ★6 ⏳1Y - Ctags generator for Crystal
crystal-dash-docset ★3 ⏳1Y - Dash docset generator
helptransl8 ★6 - Tool for document translators

DevOps

ansible-crystal ★1 - Ansible playbook for installing crystal
capistrano-kemal ★1 - Capistrano Plugin for Kemal
crystal-cookbook ★5 ⏳2Y - Chef cookbook for installing crystal

Editor Plugins

Atom
- crystal-tools - Enables built in tools in Crystal compiler
- language-crystal-actual - Crystal language support in Atom
- linter-crystal - Lint Crystal using the Crystal compiler in Atom
Emacs
- emacs-crystal-mode ★16 - Crystal language support for Emacs
- play-crystal.el ★5 - play.crystal-lang.org integration in Emacs
scry ★128 - Code analysis server for Crystal implementing the Language Server Protocol
Spacemacs
- crystal-spacemacs-layer ★10 ⏳1Y - Spacemacs contribution layer for Crystal
Sublime
- sublime-crystal ★52 - Crystal syntax highlighting for sublime Text
TextMate
- Crystal.tmbundle ★9 - Crystal syntax highlighting, compile, format command, snippets
Vim
- carcin.vim ★4 ⏳2Y - Vim plugin to provide utility functions for carc.in
- vim-crystal ★212 - Vim filetype support for Crystal
- vim-slang ★7 ⏳2Y - Vim filetype support for Slang Templating Engine
Visual Studio Code
- vscode-crystal ★11 ⏳1Y - Crystal language support in VSCode
- vscode-crystal-ide ★32 - Crystal IDE powered by Language Server Protocol
- vscode-crystal-lang ★72 - Formatter, linter and syntax highlighting for cr and ecr files

Shell plugins

crystal-zsh ★19 ⏳1Y - .oh-my-zsh plugin