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/confact/sourcemap

A sourcemap parser in crystal using vlq decoding

crystal sourcemap sourcemaps

Last synced: 21 Feb 2025

https://github.com/henrikac/github-repos

A shard that makes it easy to fetch data about specific repositories.

crystal crystal-lang crystal-language

Last synced: 11 Aug 2025

https://github.com/konstantine-v/crisbn

Crystal ISBN library to handle things like checking valid ISBN and generating random ones

books crystal crystal-lang crystal-library isbn-library

Last synced: 28 Apr 2025

https://github.com/specbox/specbox-api

Backend API for SpecBox a.k.a. WebSpecimanager / 昆虫標本管理サービスWebSpecimanagerの後継プロジェクトSpecBoxのバックエンドAPI

api auth0 crystal crystal-lang crystal-language lucky lucky-framework

Last synced: 08 Jan 2026

https://github.com/light-zeus/xscandro

teamcity

crystal julia xtlang

Last synced: 04 Oct 2025

https://github.com/stephannv/blueprint-docs

Website for Blueprint Crystal shard

crystal html mkdocs-material

Last synced: 30 Mar 2025

https://github.com/fukaoi/crystal-ripple

Ripple blockchain client sdk for crystal

blockchain crystal crystal-language ripple sdk

Last synced: 28 Apr 2025

https://github.com/chris-huxtable/ip_address.cr

Encapsulates IPv4 and IPv6 Addresses and Blocks.

crystal crystal-lang crystal-language ipaddress ipaddresses shards

Last synced: 04 Apr 2025

https://github.com/asmundstavdahl/minesweeper

Crystal implementation of the game minesweeper.

crystal game minesweeper

Last synced: 17 Aug 2025

https://github.com/akasmatter/krystal

2D engine dealing with crystal deffects

crystal dislocation-dynamics javascript

Last synced: 14 Jun 2025

https://github.com/arbaaz/redditcr

API server written in Crystal for my Elm client

crystal crystal-lang crystallang reddit

Last synced: 30 Mar 2025

https://github.com/dougeverly/hopper.cr

Crystal implementation of Hopper

crystal

Last synced: 23 Feb 2025

https://github.com/odebe/otp.cr

WIP: Naive OTP implementation in Crystal.

crystal genserver otp

Last synced: 14 Sep 2025

https://github.com/raysrashmi/kemal_chat_app

Demo chat app built in kemal

crystal kemal

Last synced: 29 Mar 2025

https://github.com/librity/learning_crystal

All my Crystal tutorials.

crystal crystal-lang

Last synced: 31 Mar 2025

https://github.com/crystal-ameba/homebrew-ameba

🍺 Homebrew tap for the Ameba linter

ameba crystal homebrew linter

Last synced: 02 Mar 2025

https://github.com/pteropackages/ptero.cr

A Pterodactyl API library in Crystal

api crystal crystal-lang pterodactyl pterodactyl-api

Last synced: 30 Mar 2025

https://github.com/bew/lemonade

Lemonbar framework

config crystal framework lemonbar

Last synced: 17 Mar 2025

https://github.com/satler-git/tent

Auto Youtube Player(from Google forms)

crystal youtube

Last synced: 30 Mar 2025

https://github.com/mjblack/libncurses

NCurses library bindings for Crystal Language

crystal crystal-lang crystal-language ncurses ncurses-library

Last synced: 13 Nov 2025

https://github.com/synsec/crystal-stix2

crystal-stix2 is a STIX 2.1 implementation using Crystal language.

crystal crystal-lang crystal-language cyber-security stix stix2

Last synced: 30 Mar 2025

https://github.com/faustinoaq/amber-saludo

Project example trying to create a plugin for Amber Framework

amber-framework crystal

Last synced: 14 Jun 2025

https://github.com/chris-huxtable/digest-plus.cr

Adds common digests to Crystal by wrapping OpenSSL.

crystal crystal-lang crystal-language digest sha256 sha512 shards

Last synced: 11 Oct 2025

https://github.com/gokg4/crystal_crypto_http

A simple command line application to check current crypto price using the coingecko api.

crystal crystal-lang crystal-language

Last synced: 05 Sep 2025

https://github.com/homonoidian/permafrost

Permafrost implements a (relatively) fast unordered persistent map, set, bidirectional map for Crystal

crystal hamt hashmap immutable persistent-data-structure

Last synced: 30 Mar 2025

https://github.com/radbas/routing.cr

HTTP routing for Crystal.

crystal http router

Last synced: 30 Mar 2025

https://github.com/tijn/kelvin

A small library for working with temperatures in Crystal

celcius crystal crystal-lang fahrenheit fahrenheit-to-centigrade kelvin temperature

Last synced: 22 Feb 2025

https://github.com/imran5802/convertamountinbanglaincrystalreport

Using this function you can convert any amount / number to text in Bengali language.

crystal crystal-lang crystal-language crystal-reports crystalreports

Last synced: 30 Mar 2025

https://github.com/hostari/jitsu_client

A crystal lang wrapper over the Jitsu API

crystal jitsu

Last synced: 06 Oct 2025

https://github.com/ragmaanir/vagt

Crystal validations

crystal validation validation-library

Last synced: 30 Mar 2025

https://github.com/sztheory/espeak

[wip] Crystal wrapper for ‘espeak’ and ‘lame’ with sugar on top to create Text-To-Speech mp3 files

crystal espeak lame mp3 shard text-to-speech tts wrapper

Last synced: 14 Dec 2025

https://github.com/toddsundsted/school

The School rules engine.

crystal

Last synced: 04 Aug 2025

https://github.com/ragmaanir/tjeneste

A small web-framework to build rest-apis inspired by hanami.

crystal web-framework

Last synced: 07 Oct 2025

https://github.com/wasm-outbound-http-examples/crystal

Make HTTP requests from inside WASM in Crystal-lang. Demo and devcontainer.

crystal crystal-js crystal-lang http-client http-request wasm webassembly

Last synced: 30 Mar 2025

https://github.com/eniehack/webmention.cr

[mirror from GitLab] library to find Webmention endpoints from website for Crystal-lang

crystal shards webmention

Last synced: 03 Aug 2025

https://github.com/syeopite/cryyjson

Simple crystal bindings to yyjson https://github.com/ibireme/yyjson

bindings c-bindings crystal json json-parser yyjson

Last synced: 30 Mar 2025

https://github.com/nuccitheboss/nlxd-cr

🚀 A next-generation Crystal shard for interfacing with the LXD API 📡🌐🖥️

api-client containers crystal lxd virtualization

Last synced: 30 Mar 2025

https://github.com/blueq-world/crystal-report-batch-deployment

Use the .net SDK to batch upload reports and update the report login information in the Crystal Report Server.

batch-upload-crystal-report crystal crystal-report csharp update-logon-information-of-the-report

Last synced: 30 Mar 2025

https://github.com/wjhames/crystal-vagrant

Crystal lang development environment using Vagrant

crystal crystal-lang crystal-language vagrant vagrant-environments vagrantfile virtualbox

Last synced: 03 Feb 2026

https://github.com/dragosv/testcontainers-crystal

A lightweight Crystal library for writing tests with throwaway Docker containers

automation crystal crystal-lang crystal-language docker hacktoberfest testing

Last synced: 06 Mar 2026

https://github.com/nilsding/crocket

Crystal wrapper for Rocket

crystal demoscene gnu-rocket rocket

Last synced: 08 Oct 2025

https://github.com/heypoom/axi-engine

Axi Engine: Experimental API Backend for the Axi Platform

crystal

Last synced: 31 Dec 2025

https://github.com/sarvex/crystal125

Trying to complete 125 projects from in Crystal

crystal crystal-lang crystal-language

Last synced: 30 Mar 2025

https://github.com/traven-b/mymodern

Crystal app lists checked-out and ready-hold books at multiple library websites. Uses CSS selectors, CSP concurrency. Beginner-friendly with mock data and easy inclusion of custom scraping logic.

beginner-friendly book-tracking cli-application concurrency crystal crystal-lang csp css-selectors fibers html-parsing http-client library-tools mock-data modular-design public-libraries web-scraping

Last synced: 23 Aug 2025

https://github.com/lost22git/minimp3.cr

minimp3 binding for crystal lang

crystal crystal-lang minimp3

Last synced: 30 Mar 2025

https://github.com/yefremov/algorithms-with-crystal

Common programming algorithms written with Crystal

algorithms crystal

Last synced: 09 Oct 2025

https://github.com/dayvsonlima/steven

💎 The MVC Crystal Framework for Rubyists

crystal kemalcr

Last synced: 10 Apr 2025

https://github.com/lost22git/xid.cr

xid for crystal lang

crystal crystal-lang xid

Last synced: 30 Mar 2025

https://github.com/hydecr/hyde_template_default

Default template for new Hyde sites

crystal hyde hyde-theme static-site template

Last synced: 17 Mar 2025

https://github.com/radbas/container.cr

DI container for Crystal.

container crystal dependency-injection ioc

Last synced: 14 Jun 2025

https://github.com/jbox-web/ucl.cr

LibUCL bindings for Crystal, easy ;)

crystal crystal-lang libucl

Last synced: 14 May 2025

https://github.com/bew/mpv-crystal-simple-plugin

A simple MPV C plugin written in crystal

crystal mpv plugin poc

Last synced: 17 Mar 2025

https://github.com/homonoidian/synthax

Synthax is a simple parser synthesizer for Crystal

crystal parser-library

Last synced: 30 Mar 2025

https://github.com/theguideforyou/documentation

🔥 Documentação de todas as linguagens possíveis na criação de bots para Discord.

bot crystal development discord documentation for guide java javascript language python ruby the x you

Last synced: 30 Mar 2025

https://github.com/kingsleyh/ball

Crystal Ball - super simple crystal version manager for MacOs

crystal macos

Last synced: 11 Oct 2025

https://github.com/dmarshaltu/logstreamtoo.cr

LogStreamTool is a Crystal application for streaming and monitoring logs from Kubernetes pods. It allows you to easily stream logs from a specific pod to your favorite text editor.

crystal crystal-lang crystal-language k8s kubernetes

Last synced: 30 Mar 2025

https://github.com/confact/crystal_xlsx

An Crystal library to write xlsx files with support of styles, custom width and frozen rows.

crystal excel excelwriter xlsx xlsxwriter

Last synced: 30 Mar 2025

https://github.com/at-grandpa/dast.cr

CLI tool to display the date list.

command-line-tool crystal

Last synced: 02 Aug 2025

https://github.com/grottopress/fella

An expressive HTTP log handler for Crystal

crystal http-handler logging

Last synced: 30 Mar 2025

https://github.com/initdc/crystal-project-workflow

Crystal just need build once time.

actions build crystal docker release workflow

Last synced: 14 Mar 2025

https://github.com/iowadave/atmega328-power-save-sleep-solved

Achieve the greatest decrease in current consumption while keeping the ability to wake up the controller from an internal timer.

arduino atmega328 crystal interrupt power-save rtc sleep timer

Last synced: 30 Mar 2025

https://github.com/lost22git/puppy.cr

Http Client based on platform http api.

crystal crystal-lang http-client winhttp

Last synced: 30 Jul 2025

https://github.com/grottopress/lena

A low-level API client for Anthropic (Claude AI)

ai anthropic api claude crystal http-client

Last synced: 12 Oct 2025

https://github.com/yukaii/gitlinker.cr

Portable file permalink generator written in Crystal language. Working with Kakoune out of the box.

command-line crystal crystal-lang git kakoune plugin

Last synced: 14 Jul 2025

https://github.com/ktanaka101/line-notify-api

Client for LINE notifiy API by Crystal.

crystal line

Last synced: 08 Jul 2025

https://github.com/basheirhassan/businesschart

يعمل فقط مع برنامج - كريستال للمحاسبة والمستودعات

chart crystal

Last synced: 30 Jul 2025

https://github.com/kmilkevych/linecount

A tool to count lines of code in your projects and display the information in a fancy way

crystal lines-of-code project-management statistics

Last synced: 30 Mar 2025

https://github.com/blocknotes/manual-generator

Crystal tool to generate PDF manuals from HTML documentation sites

crystal pdf-manuals wkhtmltopdf

Last synced: 02 May 2025

https://github.com/darkstego/ortools-sat

Crystal Lang bindings for OR-Tools Sat solver

constraint-programming crystal crystal-lang ortools sat-solver

Last synced: 30 Mar 2025

https://github.com/crystalsystems/crystal-v1.0--production

Current production version CRYSTAL v1.0, as of July 19, 2025.

crystal express js mern mit mongodb nodejs open-source react social-network

Last synced: 14 Oct 2025

https://github.com/nilsding/taglib.cr

Some spicy read-only (for now?) Crystal bindings to the C++ TagLib library. There be dragons.

crystal taglib

Last synced: 14 Oct 2025

https://github.com/spencerwi/cregularity

A Crystal port of the Regularity gem

crystal crystal-port regex regexp regularity-gem

Last synced: 21 Feb 2025

https://github.com/naqvis/opal

CLI for working with container registries

container-registry crystal crystal-lang crystal-language

Last synced: 30 Jul 2025

https://github.com/rhaeguard/fragments

an experimental torrent client

bencode-parser bittorrent-client crystal

Last synced: 04 Jul 2025

https://github.com/grottopress/dude

A dead simple Redis cache

crystal redis redis-cache

Last synced: 22 Mar 2025

https://github.com/rishavs/kamel

A Basic Kemal app. For learning Crystal + Kemal

crystal kemal

Last synced: 26 Feb 2025

https://github.com/arcage/ping.cr

Minimum ping command clone by Crystal langage.

crystal icmp ping

Last synced: 15 Oct 2025

https://github.com/rishavs/crog

A crystal metaparsing library

crystal crystal-language metaparser open-graph opengraph

Last synced: 26 Feb 2025