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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

nightly.link

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

kemal

Fast, Effective, Simple Web Framework

awesome-crystal

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

AHK_X11

AutoHotkey for Linux (X11-based systems)

lavinmq

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

mint

🍃 A refreshing programming language for the front-end web

cable-amqp

A Cable.cr backend for AMQP Brokers like LavinMQ

zotero-deb

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

ktistec

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

noir

♠️ Noir is an attack surface detector form source code.

amber

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

crystalline

A Language Server Protocol implementation for Crystal. 🔮

lucky

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

crixel

Flixel-inspired game engine

crystal-genetic-algorithm

A simple toy genetic algorithm in Crystal

crab

A Game Boy, Game Boy Color, and Game Boy Advance emulator in Crystal Lang

thyme

Pomodoro timer for tmux

mosquito

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

redoc

tijolo

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

cable

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

sodium.cr

Crystal wrapper for the libsodium crypto API

marten

The pragmatic web framework.

castblock

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

ISM

Ingenius System Manager

icrystal

Jupyter kernel for the Crystal language

console

Allows for the creation of CLI based commands

live_view

Server-rendering for client-side interactions

zstd.cr

Crystal bindings to the Zstandard (zstd) compression library

rtfm

Gnome dash docset documentation reader written in Crystal

drift

SQL-driven schema migration tool and library for Crystal

nats

NATS client in pure Crystal with JetStream support

poni

file sync based on inotify events

crystal-diff

A Crystal sequence differencing implementation

uni_char_width

Provides methods to get fixed width of unicode character or string

crecto

Database wrapper and ORM for Crystal, inspired by Ecto

perf-tools

An assortment of tools to track resources in Crystal applications

libadwaita.cr

libadwaita bindings for Crystal

comandante

A simple CLI toolkit including an option parser and some helper commands to make life easier.

shards

Dependency manager for the Crystal language

magic.cr

Bindings for libmagic to Crystal

cord

Crystal shard for Tarantool with auto reconnect and connections pool

zaru_crystal

Crystal shard for filename sanitization

crolorama

Crystal shard for colored text in the Terminal

comandante-sqlite

An add-on for https://github.com/tghaleb/comandante/ for simplifying working with sqlite.

rosetta

A blazing fast internationalization (i18n) library for Crystal with compile-time key lookup.

compiler

cltk

A crystal port of the Ruby Language Toolkit

html_builder

DSL for creating HTML

artanis

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

savi

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

num.cr

Scientific computing in pure Crystal

lilith

x86-64 os made in crystal

money

Crystal shard for dealing with money and currency conversion

shainet

SHAInet - a pure Crystal machine learning library

wafalyzer

Web Application Firewall (WAF) Detector

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.

crystal-ml

A classic machine learning library for Crystal programming language

pg-orm

Postgres ORM for Crystal Lang

stackvm

Virtual Machine with a 240x160 VRAM display.

resp-crystal

Lightweight RESP client

jennifer.cr

Crystal ORM using ActiveRecord pattern with flexible query DSL

ansi_to_html_shard

Crystal-lang shard for converting ANSI text to HTML

athena

An ecosystem of reusable, independent components

crystal-coverage

Coverage tool for Crystal lang

LibGL

crystal-kcov

crystal-sqlite3

SQLite3 bindings for Crystal

SSS

🎄️🎅️🎁️ THe home repository for the Santa Software Suite (SSS) project.

pixie

Making magic with Crystal and images (using ImageMagick)

icmp.cr

A terse implementation of ICMP Ping in Crystal

github-action

A GitHub Action that lints Crystal code with Ameba

crystal-fswatch

grpc

Pure-Crystal implementation of gRPC

amethyst

Amethyst is a Rails inspired web-framework for Crystal language

cride

A light CLI text editor/IDE written in Crystal

crystal_nes

A NES Emulator written in Crystal

cr-image

crysterm

Console / terminal GUI toolkit for Crystal.

web_finger

A WebFinger (https://tools.ietf.org/html/rfc7033) client for Crystal.

crystalline

A collection of containers & algorithms for the Crystal programming language

amqproxy

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

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

Portforge

Lightweight utility to fool port scanners

xz.cr

Crystal bindings to the xz (lzma) compression library

lingo

parser generator

crystal-keyring

Keyring implementation for Crystal

spy

Fast and light hot reload on any application using inotify (7) and C bindings

admiral.cr

A robust DSL for writing command line interfaces written in 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]

daemonize.cr

Daemonize a crystal process.

cursor

Terminal cursor movement and manipulation of cursor properties such as visibility

cable-nats

A Cable.cr backend for NATS

cable-client

A Cable client in Crystal

crystal-lang

Crystal, Shell, Ruby

iv-org

Crystal, Python, Shell

mint-lang

Mint, Crystal, HTML

kemalcr

veelenga

Crystal, Ruby, Emacs Lisp

luckyframework

Crystal, Ruby, HTML

amberframework

Crystal, Shell, CSS

crystal-community

getmango

JavaScript, Crystal

vitobotta

Shell, Ruby, Dockerfile

oprypin

Python, Crystal, Nim

hendisantika

Java, HTML, Kotlin

hugopl

Crystal, C++, Ruby

ffwff

C, Python, Rust

ysbaddaden

Crystal, Ruby, JavaScript

askn

Crystal, Ruby, Go

cloudamqp

Crystal, JavaScript, Java

retorquere

TypeScript, JavaScript, Crystal

spider-gazelle

Crystal, Python

phil294

CoffeeScript, AutoHotkey, Crystal

imdrasil

Crystal, JavaScript, Ruby

f

JavaScript, CoffeeScript, Crystal

icyleaf

Ruby, Crystal, PHP

amethyst-framework

kostya

Crystal, Ruby, C