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Discover the top trending Crystal repositories and projects on Github. Explore the latest trends in Crystal development.

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invidious

Invidious is an alternative front-end to YouTube

hetzner-k3s

A CLI tool to create and manage Kubernetes clusters in Hetzner Cloud using the lightweight distribution k3s by Rancher.

crystal

The Crystal Programming Language

lavinmq

Lightweight and fast AMQP (0-9-1) server

mint

🍃 A refreshing programming language for the front-end web

AHK_X11

AutoHotkey for Linux (X11-based systems)

kemal

Fast, Effective, Simple Web Framework

markterm

zotero-deb

Packaged versions of Zotero and Juris-M for Debian-based systems

nightly.link

Downloads the latest "nightly" build/artifact from a continuous testing workflow

pegasus

A parser generator for C and Crystal.

lucky

A full-featured Crystal web framework that catches bugs for you, runs incredibly fast, and helps you write code that lasts.

crystalline

A Language Server Protocol implementation for Crystal. 🔮

awesome-crystal

💎 A collection of awesome Crystal libraries, tools, frameworks and software

marten

The pragmatic web framework.

crixel

Flixel-inspired game engine

noir

♠️ Noir is an attack surface detector form source code.

castblock

Automatically skip sponsor segments and ads in YouTube videos playing on Chromecast.

savi

A fast language for programmers who are passionate about their craft.

ktistec

Single user ActivityPub (https://www.w3.org/TR/activitypub/) server.

lilith

x86-64 os made in crystal

amber

A Crystal web framework that makes building applications fast, simple, and enjoyable. Get started with quick prototyping, less bugs, and blazing fast performance.

crystal-cmark-gfm

Minimal C bindings for parsing and rendering with cmark-gfm

crystal-openai

OpenAI ChatGPT, GPT-3, GPT-4, DALL·E, Whisper API Client for Crystal

llamero

A wrapper shard for llama.cpp that acts as a client to work directly with AI models through llama.cpp from within Crystal applications

polydocopt

A docopt-based approach to creating commands with subcommands

ftp

lightweight RFC959 FTP server written in crystal lang

haki

Build native apps using GTK4 and a dialect of HTML, declarative format allows you to create advanced structures with ease.

marionette

Selenium alternative for Crystal. Browser manipulation without the Java overhead.

oplog

Opinionated logging setup for Crystal

cable

It's like ActionCable (100% compatible with JS Client), but you know, for Crystal

hot_topic

A fake HTTP client for making requests to your HTTP::Handler classes

spinner

A terminal spinner for tasks that have a non-deterministic time frame

mpsc

Multi-Producer/Single-Consumer channels in Crystal

cr-discount

A thin Crystal wrapper for discount, a markdown implementation

sixteen

cltk

A crystal port of the Ruby Language Toolkit

html_builder

DSL for creating HTML

libgen

Automatic C-bindings generator for the Crystal language

artanis

Sinatra-like DSL for the Crystal language (abusing macros)

amqproxy

An intelligent AMQP proxy, with connection and channel pooling/reusing

num.cr

Scientific computing in pure Crystal

money

Crystal shard for dealing with money and currency conversion

cia-unix

Decrypt CIA/3DS roms in UNIX environments (Linux and macOS)

shainet

SHAInet - a pure Crystal machine learning library

win32cr

Crystal library for Win32 API

wafalyzer

Web Application Firewall (WAF) Detector

coverage-reporter

Self-contained, universal coverage uploader binary. Under development.

apatite

Apatite is a fundamental package for scientific computing with Crystal

uni_text_seg

Unicode Text Segmentation for Crystal. Currently supports determination of graphemes cluster boundaries.

kemal-kilt

Kilt templating interface helpers for Kemal

matter

A complete Crystal implementation of the Matter protocol specification (https://buildwithmatter.com). Includes full support for controller, device, commissioning, secure communications, device types, and cluster definitions.

BLAHAJ

🦈🏳️‍⚧️🏳️‍🌈 Gay sharks at your local terminal - lolcat-like CLI tool

git_diff_parser

Git Diff Parser in Crystal

sanitize

Crystal library for transforming HTML/XML trees to sanitize HTML from untrusted sources

microgit

Git hosting service made in Crystal and Lucky

lucky_full_text_search

Full text search for lucky framework

layout.cr

A constraint based layout framework

redoc

mosquito

A background task runner for crystal applications supporting periodic (CRON) and manually queued jobs

athena

An ecosystem of reusable, independent components

crystal-coverage

Coverage tool for Crystal lang

LibGL

crystal-kcov

tijolo

Simple and fast keyboard focused IDE written in Crystal and GTK.

icmp.cr

A terse implementation of ICMP Ping in Crystal

crystal-jitter

Repositions the mouse while the mouse is inert to avoid screen locking on Windows

geode

An alternative Crystal package manager

grpc

Pure-Crystal implementation of gRPC

orma

amethyst

Amethyst is a Rails inspired web-framework for Crystal language

cride

A light CLI text editor/IDE written in Crystal

spring-83

A speculative new protocol 🌸

cr-image

promise

Type aware promises for crystal lang

celestite

Beautifully reactive, server-side rendered Svelte apps w/ a Crystal backend

crysterm

Console / terminal GUI toolkit for Crystal.

gtk4.cr

GTK4 bindings for Crystal

crystal-keyring

Keyring implementation for Crystal

console

Allows for the creation of CLI based commands

amqp-client.cr

An AMQP 0-9-1 client for Crystal

lua.cr

Crystal to Lua bridge

bson.cr

A pure Crystal Implementation of the BSON Specification. 🐃

msgpack-crystal

MessagePack implementation in Crystal msgpack.org[Crystal]

cursor

Terminal cursor movement and manipulation of cursor properties such as visibility

drift

SQL-driven schema migration tool and library for Crystal

stumpy_core

Core components for working with images

criss

Instantaneous static site site generator and server in Crystal

osu-auth

base_x

A Crystal shard for base encoding / decoding of any given alphabet with optional bitcoin-style leading zero compression.

execution_context

pqueue.cr

A lock-free priority queue

https

Simple HTTP(S) server in Crystal

gphoto2-web

Web API for libgphoto2

crystal-lsp

An implementation of the Language Server Protocol written in Crystal

exec

Wrapper for Crystal::Process

authority

Authority - OpenID OAuth 2.0 Server and OpenID Connect Provider optimized for low-latency, high throughput, and low resource consumption built in identity provider user login.

crest

HTTP and REST client for Crystal

zstd.cr

Crystal bindings to the Zstandard (zstd) compression library

x11-cr

X11 bindings for Crystal language.

crystal-lang

Crystal, Shell, JavaScript

iv-org

Python, Crystal, JavaScript

mint-lang

Mint, Crystal, Shell

kemalcr

veelenga

Crystal, Ruby, Emacs Lisp

luckyframework

Crystal, HTML, Ruby

amberframework

Crystal, Shell, JavaScript

crystal-community

getmango

JavaScript, Crystal

vitobotta

Shell, Ruby, HCL

oprypin

Python, Crystal, Nim

hendisantika

Java, HTML, Kotlin

hugopl

Crystal, C++, Ruby

ffwff

Rust, C, Python

ysbaddaden

Crystal, Ruby, JavaScript

cloudamqp

Crystal, JavaScript, Ruby

askn

Crystal, Ruby, CSS

retorquere

TypeScript, JavaScript, Crystal

spider-gazelle

Crystal, Python

phil294

AutoHotkey, CoffeeScript, PHP

imdrasil

Crystal, Ruby, JavaScript

f

JavaScript, CoffeeScript, Crystal

icyleaf

Ruby, Crystal, PHP

elbywan

Crystal, JavaScript, OCaml

amethyst-framework