🇺🇸 Made in United States
Discover United States's Leading Open Source Projects: Explore top-notch open source initiatives hailing from the vibrant tech community of United States.
TOP Crystal Projects
amberframework/amber
A Crystal web framework that makes building applications fast, simple, and enjoyable. Get started with quick prototyping, less bugs, and blazing fast performance.
amethyst-framework/amethyst
Amethyst is a Rails inspired web-framework for Crystal language
will/crystal-pg
a postgres driver for crystal
toddsundsted/ktistec
Single user ActivityPub (https://www.w3.org/TR/activitypub/) server.
crystal-lang-tools/scry
Scry is a code analysis server for https://crystal-lang.org
amberframework/granite
ORM Model with Adapters for mysql, pg, sqlite in the Crystal Language.
samueleaton/sentry
Build/Runs your crystal application, watches files, and rebuilds/restarts app on file changes
grip-framework/grip
The microframework for writing powerful web applications.
noahlh/celestite
Beautifully reactive, server-side rendered Svelte apps w/ a Crystal backend
Blacksmoke16/oq
A performant, and portable jq wrapper to facilitate the consumption and output of formats other than JSON; using jq filters to transform the data.
Fusion/libui.cr
Crystal-lang bindings for libui
samueleaton/raze
Modular, light web framework for Crystal
watzon/marionette
Selenium alternative for Crystal. Browser manipulation without the Java overhead.
amberframework/micrate
Database migration tool written in Crystal
onyxframework/http
An opinionated framework for scalable web 🌎
jwaldrip/admiral.cr
A robust DSL for writing command line interfaces written in Crystal.
jtomschroeder/crystalline
A collection of containers & algorithms for the Crystal programming language
DFabric/dppm
An easy way to install and manage server applications
psykube/psykube
A faster way to deploy to Kubernetes!
icy-arctic-fox/spectator
Feature-rich testing framework for Crystal inspired by RSpec.
codingphasedotcom/rocky
React Over Crystal Kemal and Yarn
onyxframework/sql
A delightful SQL ORM ☺️
da1nerd/prism
A 3D game engine written in crystal
maxfierke/fincher
A steganography tool for text
sferik/twitter-crystal
A library to access the Twitter API using Crystal
taylorfinnell/awscr-s3
A Crystal shard for S3.
watzon/arachnid
Powerful web scraping framework for Crystal
onyxframework/onyx
Powerful framework for modern applications 💪
jetrockets/shrine.cr
File Attachment toolkit for Crystal applications. Heavily inspired by Shrine for Ruby.
Nitro/envoy-ui
Dead simple server-side UI for Envoy proxy (like HAproxy stats)
jgaskins/live_view
Server-rendering for client-side interactions
mattrberry/CryBoy
A Game Boy (Color) emulator written in Crystal
axvm/cake
Cake is a powerful and flexible Make-like utility tool. Make Tasks Great Again!
amberframework/liquid.cr
Liquid template engine for Crystal
jgaskins/grpc
Pure-Crystal implementation of gRPC
mattrberry/crab
A Game Boy, Game Boy Color, and Game Boy Advance emulator in Crystal Lang
lambci/crambda
Crystal AWS Lambda custom runtime
DanilaFe/pegasus
A parser generator for C and Crystal.
stephendolan/lucky_jumpstart
Get up and running quickly with Lucky!
AndiLavera/motion.cr
Motion is a framework for building reactive, real-time frontend UI components in your Amber application using pure Crystal that are reusable, testable & encapsulated.
sam0x17/gcf.cr
gcf.cr provides serverless execution and deployment of crystal language code in Google Cloud Functions
crystal-lang-tools/intellij-crystal-lang
Intellij Idea plugin for the Crystal language
konung/fast-crystal
Benchmarks of common idioms in Crystal, to help write more performant code.
jwoertink/fez
A Kemal application generator
arktisklada/crank
Foreman port to crystal.
j8r/cride
A light CLI text editor/IDE written in Crystal
jgaskins/redis
Pure-Crystal Redis client, supporting clustering, RedisJSON, RediSearch, RedisGraph, and RedisTimeSeries
coverallsapp/coverage-reporter
Self-contained, universal coverage uploader binary. Under development.
toddsundsted/ishi
Graph plotting package with a small API and sensible defaults powered by gnuplot.
sferik/openai-crystal
OpenAI API client library to access GPT-3 in Crystal
calebuharrison/faktory.cr
A Faktory Worker library for Crystal
andrewsuzuki/termbox-crystal
Bindings, wrapper, and utilities for termbox (terminal interface library) in Crystal
articulate/biplane
A configuration-based management and automation tool for Kong
j8r/crystalizer
(De)serialize any Crystal object - out of the box. Supports JSON, YAML and Byte format.
ryanprior/meet
Start a meeting quickly from the comfort of your command line. 👩👩👧👦️💨️
Blacksmoke16/CrSerializer
Extensible annotation based serialization/deserialization library
elorest/cry
Ability to execute crystal code in a fashion similar to pry edit.
miketheman/statsd.cr
A statsd client library for Crystal.
calebuharrison/CrystGLFW
An object-oriented API for GLFW in Crystal.
thewalkingtoast/mpngin
A simple and fast URL shortener with built in stats.
sam0x17/mongo_orm
Mongo ORM: A simple ORM for using MongoDB with the crystal programming language, designed for use with Amber. Based loosely on Granite ORM. Supports Rails-esque models, associations and embedded documents.
vladislav-yashin/crystal-di
Lightweight DI Container for Crystal
jwaldrip/promise.cr
A Promise Implementation in Crystal
jwoertink/kave
Kemal API Version Extension
jgaskins/neo4j.cr
Pure-Crystal implementation of Neo4j's Bolt protocol
hackervera/unix-web
Unix Philosophy Webserver
masukomi/oho
oho: converts colorful terminal output to html
woodruffw/qrencode.cr
Crystal bindings for libqrencode (qrencode), a library for QR code generation
j8r/clicr
A simple declarative command line interface builder
rf-/roadshow
A language-agnostic tool for testing code in different environments.
drhuffman12/ai4cr
Artificial Intelligence for Crystal (based on https://github.com/SergioFierens/ai4r)
jemc/crystal-pegmatite
A high-performance Parsing Expression Grammar (PEG) library for the Crystal language. 💎 🔠
rmosolgo/lingo
parser generator
jetrockets/fastimage.cr
A Crystal implementation of fastimage – library that finds the dimensions and type of an image fetching as little as needed
elorest/bitfields
Bit Fields for Crystal Language
sferik/spellout
A command-line tool that converts input into the International Radiotelephony Spelling Alphabet
dantebronto/crystal-api-backend
Proof-of-concept JSON API written in Crystal
jessehorne/hackerviews
A social platform inspired by Hacker News written in Crystal using the Kemal framework.
watzon/cru
LibUI based GUI framework for Crystal
watzon/ngrok.cr
Ngrok wrapper for Crystal
AndiLavera/mochi
Mochi is a authentication shard inspired by devise. Mochi is designed for the Amber framework with support for both Granite & Jennifer ORM's.
amberframework/quartz-mailer
A library to get started in sending and receiving emails from and to your Crystal application
neovintage/accord
Validations for Crystal Objects
picatz/packetz
🦈 Packet capturing library built with LibPcap
jwoertink/sitemapper
Sitemap generator for Crystal apps
CrunchyData/bridge-cli
CLI for Crunchy Bridge
dorkrawk/moola
Deal with money in Crystal
watzon/ROT26
Pure Crystal implementation of the ROT26 encryption algorithm
j8r/con
A simple, fast and readable JSON-compatible serialization format
jgaskins/crystal_live_view_example
Proof of concept for a Crystal version of Phoenix Live View
toddsundsted/mxnet.cr
MXNet (AI/ML) bindings for the Crystal language.
taylorfinnell/awscr-signer
AWS request signing in Crystal
kadalu/gluster-metrics-exporter
Lightweight and efficient Prometheus exporter for Gluster metrics
spalger/crystal-mime
Mimetypes for Crystal, based on node-mime.
mccallofthewild/markov
⛓ A Crystal library for building Markov Chains and running Markov Processes.
amberframework/jasper-helpers
A library of helpers for working with html for apps Crystal
jgaskins/armature
Roda-inspired HTTP framework for Crystal, providing routing, sessions, forms, etc
paulcsmith/crystal-mastery
Screencasts for learning Crystal
bradford-hamilton/crystal-blockchain
eqbal/crystal_coin
Building blockchain from scratch using crystal for Toptal Blog (https://www.toptal.com/blockchain/crystal-programming-language-tutorial)