An open API service indexing awesome lists of open source software.

Crystal

Crystal is a programming language with friendly syntax, static type checking and modern stdlib. It compiles into efficient, easy-to-distribute native code.

https://github.com/doughsay/crystal-cube

A rotating colorful cube in Crystal + OpenGL using GLFW for windowing

crystal crystal-opengl glfw3 glsl opengl

Last synced: 09 Apr 2025

https://github.com/krthr/gcp-tts.cr

Crystal Text-To-Speech API client

crystal crystal-lang google-cloud-platform text-to-speech

Last synced: 13 May 2025

https://github.com/imdrasil/time_zone

Time Zone provides daylight savings aware transformations between times in different time zones.

crystal time timezone-conversion timezones

Last synced: 07 May 2025

https://github.com/axentro/crystal-argon2

Crystal bindings for the argon2 hashing algorithm

argon2 crystal hashing-algorithm sushichain

Last synced: 09 Mar 2026

https://github.com/mauricioabreu/crystal-ipify

Crystal client for ipify: https://www.ipify.org/

crystal ipify

Last synced: 14 Oct 2025

https://github.com/felipeelias/crystal-github

Github API wrapper in Crystal! (work in progress)

api crystal github

Last synced: 27 Mar 2025

https://github.com/amberframework/amberframework.org

Official website for Amber web application framework.

crystal

Last synced: 23 Jun 2025

https://github.com/athena-framework/skeleton

Template repo to get up and running quickly with the Athena Framework

crystal

Last synced: 11 Oct 2025

https://github.com/luckyframework/lucky_task

Library for creating command line tasks for the Lucky CLI

crystal crystal-lang lucky-framework

Last synced: 07 May 2025

https://github.com/sija/crystal-environment

Crystal::Environment

crystal environment testing

Last synced: 14 Apr 2025

https://github.com/athena-framework/routing

Robust and performant HTTP routing library

component crystal

Last synced: 30 Oct 2025

https://github.com/cbrnrd/gpm

:package: :octopus: The package manager built on GitHub

crystal git github package-manager

Last synced: 15 Oct 2025

https://github.com/mamantoha/xml_converter

Create hashes from XML documents easily.

crystal xml

Last synced: 10 Jun 2025

https://github.com/tbrand/pixvas

Create pixel image in your terminal

art crystal pixel-art terminal terminal-based

Last synced: 07 Jul 2025

https://github.com/devnote-dev/xmlt

XML (de)serializing with classes and structs

crystal crystal-lang xml xml-deserialization xml-serialization

Last synced: 12 May 2025

https://github.com/denolfe/discord-crystal

General-use Discord bot written in Crystal

bot crystal discord

Last synced: 23 Mar 2025

https://github.com/mkdika/kemal-rest-api

Simple REST API example with Kemal

crud crystal crystal-language example kemal rest-api

Last synced: 12 May 2025

https://github.com/grepsedawk/sharded.cr

Get a Crystal shard running up and quickly!

crystal shard template

Last synced: 14 Mar 2026

https://github.com/nilsding/enpass2keepassxc

Converts an Enpass JSON export to a KeePassXC XML export

crystal data-migration enpass json-export keepass keepassxc password-manager xml

Last synced: 22 Jun 2025

https://github.com/molovo/herd

A simple module to help with running multi-threaded processes in Crystal

crystal multi-threading multithreading

Last synced: 29 Oct 2025

https://github.com/mamantoha/crystal-hunspell

Crystal bindings for Hunspell.

bindings crystal hacktoberfest hunspell wrapper

Last synced: 21 Jan 2026

https://github.com/imdrasil/sage

Minimal authorization library

authorization crystal

Last synced: 07 May 2025

https://github.com/kostya/auto_constructor

Auto construct initialize methods for classes and structs

auto construct crystal

Last synced: 12 May 2025

https://github.com/confact/crircd

An IRC Server made to follow the spec in the future. right now not ready for production at all.

crystal irc irc-server

Last synced: 22 Apr 2025

https://github.com/nicolab/crystal-crypt

:gem: Cryptographic utilities made easy for Crystal lang.

cipher crypto cryptography crystal crystal-lang decrypt encode encrypt signature

Last synced: 08 Mar 2026

https://github.com/cadmiumcr/language_detector

Detects the language of a text sample

crystal crystal-lang language-detection

Last synced: 24 Aug 2025

https://github.com/mjago/soundfile

libsndfile bindings for the Crystal Language

crystal libsndfile sound sound-files

Last synced: 04 Jul 2025

https://github.com/marysaka/crystal_nx_poc

A Proof of Concept of Crystal running on the Nintendo Switch (still WIP)

crystal homebrew nintendo-switch proof-of-concept switch

Last synced: 16 Apr 2025

https://github.com/chances/bismuth

A generic, bring your own framework/engine graphics library for games and visualizations

3d-graphics crystal graphics graphics-library windowing

Last synced: 28 Apr 2025

https://github.com/cyangle/twilio

Twilio crystal lang client SDK generated by OpenAPI Generator.

crystal crystal-lang openapi-generator twilio twilio-api

Last synced: 19 Apr 2025

https://github.com/fernandes/augeas.cr

Crystal C bindings for Augeas

augeas bindings crystal crystal-lang devops

Last synced: 15 Jun 2025

https://github.com/hertzdevil/android-ndk.cr

Crystal bindings for the Android NDK

android android-ndk bindings crystal

Last synced: 16 Mar 2025

https://github.com/TamasSzekeres/asound-cr

ALSA/libasound bindings for sound programming in Crystal language.

alsa asound audio crystal sound

Last synced: 27 Mar 2025

https://github.com/place-labs/crystal-docker

Docker Engine API wrapper for crystal-lang

client crystal docker

Last synced: 28 Feb 2026

https://github.com/changjoo-park/gravatarcr

Gravatar URL library for crystal language 🔮

crystal crystal-language gravatar

Last synced: 12 Sep 2025

https://github.com/papierkorb/tuntap

TUN/TAP driver for Crystal

crystal linux tun tuntap

Last synced: 11 May 2025

https://github.com/anamba/pwned_password.cr

Calls HIBP API to check whether password was listed in a breach

crystal crystal-lang pwned-passwords pwnedpasswords shard

Last synced: 22 Jul 2025

https://github.com/measurechina/eventql-crystal

EventQL crystal driver

crystal database eventql

Last synced: 27 Mar 2025

https://github.com/toddsundsted/slang

Slim-inspired templating language for Crystal

crystal kilt slang template-language

Last synced: 10 Apr 2025

https://github.com/docelic/terminfo

Library for parsing standard and extended terminfo files

console crystal crystal-lang linux terminal terminfo terminfo-data terminfo-files

Last synced: 12 May 2025

https://github.com/private-parlor/private-parlor-xt

A featureful Telegram bot for making anonymous group chats

crystal crystal-lang telegram telegram-bot tourmaline

Last synced: 12 May 2025

https://github.com/skippi/docspec

A crystal library for automatically testing documentation examples.

crystal crystal-lang crystal-language crystal-shard doctest documentation testing

Last synced: 16 Oct 2025

https://github.com/naqvis/magic.cr

Crystal bindings to libmagic

c-bindings crystal crystal-lang crystal-language libmagic

Last synced: 12 May 2025

https://github.com/r-unic/crystallizer

TypeScript to Crystal compiler. All the beauty and power of TypeScript, with all the speed and portability of Crystal.

code-generation codegen compiler crystal transpiler ts typescript

Last synced: 12 May 2025

https://github.com/q9f/eth.cr

A straightforward library to build, sign, and broadcast Ethereum transactions.

crystal ethereum

Last synced: 09 May 2025

https://github.com/dammer/state_control

This shard provides a flexible state machine implementation in Crystal programming language.

crystal shard state-management

Last synced: 10 Jun 2025

https://github.com/yorci/surrealdb.cr

SurrealDB driver for Crystal

crystal database database-connector surreal surrealdb

Last synced: 21 Jul 2025

https://github.com/imdrasil/view_model.cr

ViewModel pattern implementation and extended form builder

crystal form-builder view view-model

Last synced: 07 May 2025

https://github.com/martenframework/website

The Marten framework website.

crystal crystal-lang framework marten web website

Last synced: 01 Aug 2025

https://github.com/dvinciguerra/crystalclear

Very simple app.sli.do clone built using crystal-lang kemal framework and svelte

crystal kemalcr svelte3

Last synced: 10 Apr 2025

https://github.com/grottopress/pawn

A low-level API client for Pwned Passwords

api crystal have-i-been-pwned http-client pwned-passwords

Last synced: 22 Apr 2025

https://github.com/mamantoha/foaas_client

A Crystal client for FOAAS - a modern, RESTful, scalable solution to the common problem of telling people to fuck off

api-client api-wrapper crystal foaas fuck fuck-off-as-a-service

Last synced: 30 Jan 2026

https://github.com/gtramontina/ansi-escapes.cr

ANSI escape codes for manipulating the terminal.

crystal crystal-lang crystal-language crystal-shard crystal-shards terminal

Last synced: 12 Apr 2025

https://github.com/tamnac/lite-plugin-crystal

A plugin for the lite & lite-xl editor providing syntax highlighting for the crystal language.

crystal lite-xl

Last synced: 13 Apr 2025

https://github.com/toddsundsted/iterm2

Display images within the terminal using the ITerm2 Inline Images Protocol.

crystal iterm2

Last synced: 10 Apr 2025

https://github.com/akiicat/youtube_retriever

crystal retrieve youtube's video information

crystal language youtube

Last synced: 17 Jun 2025

https://github.com/veelenga/play-crystal.el

Emacs to https://play.crystal-lang.org integration

convenience crystal emacs-packages

Last synced: 08 Aug 2025

https://github.com/e-graveyard/coin

currency conversion CLI

cli crystal currency-conversion exchange

Last synced: 13 May 2025

https://github.com/yusukehosonuma/assert-diff

Assert equals with readable diff report for Crystal.

assert crystal diff test

Last synced: 13 Oct 2025

https://github.com/denysvitali/bbcr1-spotify

Dynamically creates a playlist on Spotify with BBC R1 songs

bbc crystal playlist radio radio1 songs spotify

Last synced: 18 Mar 2025

https://github.com/Private-Parlor/Private-Parlor-XT

A featureful Telegram bot for making anonymous group chats

crystal crystal-lang telegram telegram-bot tourmaline

Last synced: 07 Apr 2025

https://github.com/nwtgck/math2img

Convert LaTeX Math to image

cli crystal docker

Last synced: 14 Jul 2025

https://github.com/eludris-community/crudris

A Crystal API wrapper for interacting with the Eludris API.

crystal eludris eludris-api eludris-wrapper

Last synced: 22 Feb 2026

https://github.com/danilafe/chalk

A compiler from a toy language into CHIP-8, written in Crystal.

chip-8 compiler crystal language

Last synced: 12 May 2025

https://github.com/daniel-worrall/beautify

Crystal binding for the JS-Beautify NPM Package via duktape.cr

beautify crystal duktape

Last synced: 23 Oct 2025

https://github.com/ruivieira/matplotcr

A Crystal wrapper for Python's matplotlib.

crystal graphics matplotlib python scientific

Last synced: 30 Jul 2025

https://github.com/oz/pinboard.cr

A crystal client for the Pinboard API

api crystal pinboard

Last synced: 17 Mar 2025

https://github.com/jhass/crystal-malloc_pthread_shim

Redirect malloc and pthread functions to bdwgc

binding crystal malloc pthread shard threads

Last synced: 17 Aug 2025

https://github.com/kojix2/nuplot

Running Gnuplot with Crystal.

crystal gnuplot

Last synced: 13 Apr 2025

https://github.com/anamba/lender

Dynamic view templates, powered by liquid

crystal crystal-lang crystal-language liquid shard template-engine

Last synced: 12 May 2025

https://github.com/at-grandpa/des

CLI to create Docker Environment Setting files.

command-line-tool crystal docker-compose dockerfile makefile

Last synced: 12 May 2025

https://github.com/faustinoaq/ambrockets

Simple Websockets example using Amber

amber-framework crystal

Last synced: 03 Sep 2025

https://github.com/bararchy/servo

Mail server in Crystal

crystal email mailserver smtp

Last synced: 12 May 2025

https://github.com/crimson-knight/agentc

A CLI powered agent that uses llama.cpp on your system to run models that are gguf

agent ai crystal

Last synced: 29 Aug 2025

https://github.com/dogweather/language-comparison

A GraphQL server prototyped in many languages

crystal elixir graphql-server ocaml python rust typescript

Last synced: 11 Nov 2025

https://github.com/maxfierke/mruby.cr

mruby library bindings for Crystal. Currently only unsafe, generated bindings. Very much a work-in-progress.

crystal mruby mruby-binding

Last synced: 23 Apr 2025

https://github.com/nicolab/crystal-prop

Properties utilities for Crystal lang (improved getter, IoC, factory, ...).

config crystal crystal-lang dependency-injection di factory getter ioc

Last synced: 18 Jun 2025

https://github.com/gabrioliv/chaos

crystal shard to add some chaos to your code

chaos crystal shards

Last synced: 13 Mar 2026

https://github.com/athena-framework/validator

Object/value validation library

component crystal validation

Last synced: 21 Apr 2025

https://github.com/mamantoha/detransport_ternopil_telegram

Public transport in Ternopil 🇺🇦

crystal hacktoberfest telegram-bot

Last synced: 12 May 2025

https://github.com/naqvis/crystal-fnv

Crystal Implementation of Fowler–Noll–Vo hash

crystal crystal-fnv crystal-lang crystal-language crystal-shard fnv fnv-1a fnv-algorithms

Last synced: 12 May 2025

https://github.com/grottopress/haystack

A low-level API client for Paystack

api crystal http-client payment paystack rest

Last synced: 22 Apr 2025

https://github.com/johansenja/gloss

Gloss is a language project which brings Crystal-like features to Ruby.

crystal ruby ruby3 type-definitions type-safety

Last synced: 07 May 2025

https://github.com/costajob/apache_log_parser

Apache log parser by filters in Crystal.

apache apache2 crystal crystal-lang http-logs parser

Last synced: 01 Mar 2026

https://github.com/grottopress/penny

Get up and running with Lucky framework and Shield

crystal lucky-framework

Last synced: 22 Apr 2025

https://github.com/grottopress/samba

Single Sign On authentication for Lucky framework

authentication crystal lucky-framework oauth2 security sso

Last synced: 22 Apr 2025

https://github.com/chinazhangchao/crystal-book-zh_cn

Crystal中文文档,欢迎一起翻译^_^,QQ交流群号:823109001

crystal crystal-lang crystal-language ruby

Last synced: 12 May 2025

https://github.com/henrikac/lib-giphy

Crystal library that makes it easy to interact with the GIPHY API

crystal crystal-lang crystal-language giphy

Last synced: 19 Jul 2025

https://github.com/confact/referer-parser.cr

Crystal implementation of snowplow's referer-parser.

analytics crystal parser referer

Last synced: 22 Apr 2025