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/porras/evil-ruby-text-objects

Emacs package that adds some text objects and keybindings to work with Ruby code with Evil.

crystal emacs emacs-packages evil ruby

Last synced: 07 May 2025

https://github.com/maxfierke/crystal-wasm-tools

Tools for compiling Crystal dependencies, bindings, etc. for use with wasm

crystal crystal-lang wasm

Last synced: 23 Apr 2025

https://github.com/mamantoha/crystal-cmark-gfm

Minimal C bindings for parsing and rendering with cmark-gfm

commonmark crystal gfm hacktoberfest libcmark markdown

Last synced: 07 May 2025

https://github.com/dmarshaltu/openai

OpenAI library for Crystal, providing an interface to interact with various OpenAI services.

chatgpt chatgpt-api crystal crystal-lang crystal-language openai

Last synced: 12 May 2025

https://github.com/stumpycr/stumpy_utils

Extensions (e.g. drawing functions) for stumpy_core

computer-graphics crystal draw

Last synced: 11 Oct 2025

https://github.com/hugopl/crystal-tree-sitter

Crystal bindings for tree-sitter library

bindings crystal tree-sitter

Last synced: 12 Mar 2025

https://github.com/cloudamqp/amq-protocol.cr

An AMQP 0.9.1 serialization library for Crystal

amqp amqp0-9-1 crystal

Last synced: 06 May 2025

https://github.com/papierkorb/fuse

libFUSE bindings for Crystal

crystal fuse libfuse

Last synced: 11 May 2025

https://github.com/j8r/tail.cr

Tailing library for Crystal - get and/or follow the end of a file/IO

crystal file tail

Last synced: 15 Apr 2025

https://github.com/crystal-community/bluetooth

Bluetooth Bluez binding in Crystal

bluetooth bluez crystal

Last synced: 27 Jul 2025

https://github.com/aravindavk/chitra-crystal

Crystal language 2D graphics library #cairo #graphics

cairo creative-coding crystal crystal-lang generative-art graphics

Last synced: 24 Jul 2025

https://github.com/hahwul/hwaro

Hwaro (화로) is a lightweight and fast Static Site Generator(SSG) written in Crystal.

blog-engine crystal hwaro markdown static-site-generator

Last synced: 08 Mar 2026

https://github.com/marcoroth/cable_ready.cr

[WIP] CableReady Crystal port

crystal shard

Last synced: 02 Aug 2025

https://github.com/bio-cr/hts.cr

HTSlib bindings for Crystal

bam bcf bioinformatics crystal crystal-bindings genomics htslib

Last synced: 03 Jul 2025

https://github.com/szTheory/zaru_crystal

Crystal shard for filename sanitization

crystal filename sanitization shard

Last synced: 27 Mar 2025

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

Adds syslog functionality to crystal via LibC bindings.

crystal crystal-lang crystal-language crystal-shard crystal-shards shards syslog

Last synced: 05 Nov 2025

https://github.com/neuralegion/sslscan.cr

Crystal shard wrapping the rbsec/sslscan utility

crystal detection scanner security shard ssl tls vulnerabilities

Last synced: 19 Jul 2025

https://github.com/icy-arctic-fox/processing.cr

Port of the Processing sketchbook software to Crystal.

crystal hacktoberfest processing

Last synced: 14 Jul 2025

https://github.com/NeuraLegion/sslscan.cr

Crystal shard wrapping the rbsec/sslscan utility

crystal detection scanner security shard ssl tls vulnerabilities

Last synced: 14 May 2025

https://github.com/toddsundsted/deep-learning

Exercises in deep learning -- Crystal language edition

crystal deep-learning exercises mxnet

Last synced: 10 Apr 2025

https://github.com/mamantoha/crystal_mpd

Concurrent MPD client written in Crystal

crystal hacktoberfest mpd mpd-client music-player-daemon

Last synced: 07 May 2025

https://github.com/sztheory/zaru_crystal

Crystal shard for filename sanitization

crystal filename sanitization shard

Last synced: 07 May 2025

https://github.com/oneiros/pdf.cr

crystal library for pdf generation (WIP)

crystal pdf pdf-generation

Last synced: 30 Mar 2025

https://github.com/jbox-web/stacker

Stacker - A lightweight file-based CMDB

cmdb crystal crystal-lang salt saltstack

Last synced: 09 Apr 2025

https://github.com/miharekar/slacker

HomePod + Raspberry Pi + Crystal+ Slack = Magic

crystal crystal-language homebridge homepod raspberry-pi siri slack

Last synced: 12 May 2025

https://github.com/anamba/safe_ecr

Output safety for ECR

crystal crystal-lang crystal-language ecr shard

Last synced: 12 May 2025

https://github.com/grottopress/lucille

Utilities for Lucky framework

crystal lucky-framework

Last synced: 22 Apr 2025

https://github.com/henrikac/kemal-shield

A shard that adds an extra layer of protection to Kemal apps by setting various HTTP headers.

crystal crystal-lang crystal-language

Last synced: 12 May 2025

https://github.com/wout/lucky_vite

A Crystal shard to seamlessly integrate Vite with Lucky Framework

crystal lucky lucky-framework vite vitejs

Last synced: 07 May 2025

https://github.com/sachinsenal0x64/crystal.yazi

🦄 Crystal theme for yazi

crystal crystal-theme theme yazi

Last synced: 12 May 2025

https://github.com/orangesi/tinypandas

easy-to-use data structures and data analysis tools ( still be in draft, inspired by Python Pandas )

crystal crystal-lang csv dataframe pandas-python vcf

Last synced: 20 Aug 2025

https://github.com/protoncr/crypto

Pure Crystal implementations of various Cryptography algorithms

aes-256 aes-cbc aes-ctr aes-encryption aes-ige cryptography crystal crystal-lang telegram

Last synced: 13 Jul 2025

https://github.com/stumpycr/stumpy_jpeg

Read JPEG images in pure Crystal

crystal image-processing jpeg

Last synced: 13 Jul 2025

https://github.com/maiha/facebook.cr

CLI for the Facebook Marketing API.

ads api crystal facebook marketing protobuf

Last synced: 14 Aug 2025

https://github.com/grottopress/cryflare

A low-level API client for Cloudflare® v4

api cdn cloudflare crystal dns http-client rest

Last synced: 22 Apr 2025

https://github.com/papierkorb/toka

A type-safe, object-oriented option parser

cli crystal mapping options options-parsing type-safe

Last synced: 11 May 2025

https://github.com/grottopress/bill

Accounts Receivable automation for Lucky framework

accounting crystal invoice lucky-framework

Last synced: 22 Apr 2025

https://github.com/PercussiveElbow/Shodan

Crystal library for the Shodan API.

api crystal crystal-lang shodan

Last synced: 10 May 2025

https://github.com/marceloboeira/m3u8.cr

Generate and parse m3u8 playlists for HLS

crystal hls-live-streaming m3u m3u8 m3u8-playlist parse-m3u8-playlists

Last synced: 18 Jul 2025

https://github.com/lodestone/overshare

URL Shortener, Web Server, and Code Snippets

blog code-snippets crystal file-sharing link-shortener privacy self-hosted

Last synced: 04 May 2025

https://github.com/andrewzah/dotacr

Mirror of https://git.andrewzah.com/andrei/dotacr

crystal dota steam-api wrapper

Last synced: 02 May 2025

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

An alternative Crystal package manager

build-tool cli crystal crystal-lang geode package-manager

Last synced: 08 May 2025

https://github.com/microgit-com/linguist.cr

Github's Linguist but in Crystal

crystal linguistic syntax-highlighting

Last synced: 13 May 2025

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

:gem: Rust-like error handling for Crystal (`Ok` / `Err`)

crystal crystal-lang domain-driven-design monad result result-type

Last synced: 27 Jul 2025

https://github.com/TPei/observable

Implementation of the Observer pattern in crystal

crystal design-pattern observable observer observer-pattern shard

Last synced: 13 May 2025

https://github.com/martenframework/marten-auth

An authentication system for the Marten web framework.

auth authentication crystal framework marten user web

Last synced: 24 Jul 2025

https://github.com/aristotelesbr/docx_cr_converter

Converter .DOCX to many formats

crystal docx markdown

Last synced: 24 Oct 2025

https://github.com/cyangle/google_drive

Google drive v3 crystal lang client generated by OpenAPI Generator

crystal crystal-lang google-drive google-drive-api openapi-generator

Last synced: 19 Apr 2025

https://github.com/athena-framework/dependency-injection

Robust dependency injection service container framework

component crystal dependency-injection

Last synced: 21 Apr 2025

https://github.com/gabriel-ss/crowbar

An AWS Lambda Runtime for Crystal Language

aws aws-lambda crystal serverless

Last synced: 07 May 2025

https://github.com/fusion/crystalvault

A zero-knowledge server to store and share secrets: credentials, keys, etc.

browser crystal javascript pgp secret-management secrets security vault zero-knowledge

Last synced: 14 Apr 2025

https://github.com/oprypin/crystal-raw-gl

Crystal bindings to OpenGL and GLU

bindings crystal opengl

Last synced: 07 May 2025

https://github.com/crystal-lang-tools/geany-crystal

Crystal support for the Geany editor

crystal geany geany-plugin

Last synced: 11 Jul 2025

https://github.com/ettomatic/xattr

Crystal bindings for XATTR

crystal crystal-lang xattr

Last synced: 02 Jul 2025

https://github.com/toddsundsted/web_finger

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

crystal webfinger

Last synced: 21 Mar 2025

https://github.com/imdrasil/form_object

Form objects decoupled from models.

crystal form-objects

Last synced: 07 May 2025

https://github.com/sbsoftware/to_html.cr

The fastest HTML builder engine for Crystal

builder crystal dsl html speed

Last synced: 04 Mar 2026

https://github.com/hugoabonizio/timeout.cr

:hourglass_flowing_sand: Declarative timeout pattern for Crystal

crystal

Last synced: 12 May 2025

https://github.com/hydecr/hyde

Hyde is a pluggable static site generator written in Crystal

crystal crystal-language hyde jekyll shards static-blog static-site-generator

Last synced: 12 May 2025

https://github.com/tpei/observable

Implementation of the Observer pattern in crystal

crystal design-pattern observable observer observer-pattern shard

Last synced: 29 Oct 2025

https://github.com/watzon/diff

Pure Crystal implementation of various diffing algorithms

crystal crystal-lang crystal-language diff git myers-algorithm

Last synced: 12 May 2025

https://github.com/mjeffrey18/fast-jsonapi-serializer

Fast JSON-API Serializer is a fast, flexible and simple JSON-API serializer for crystal

crystal crystal-lang crystal-language json json-api serialization serialization-library serializer

Last synced: 12 May 2025

https://github.com/rodrigopinto/can_use

🤔 Can I use? CanUse is a minimalist feature toggle/flag for crystal, based on yaml file.

canuse crystal feature-flags feature-toggle toggle-switches yaml

Last synced: 24 Apr 2025

https://github.com/henrikac/kemal-form

A shard that makes it easy and fun to work with forms in your Kemal applications.

crystal crystal-lang crystal-language kemal

Last synced: 12 May 2025

https://github.com/hako/blackboard-dl

📚💻 Downloads lectures and workshops automagically.

blackboard crystal downloader lectures workshops

Last synced: 12 Apr 2025

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/busyloop/suzuri

Authenticated and encrypted tokens

crypto crystal security

Last synced: 30 Oct 2025

https://github.com/onyxframework/eda

Event-Driven Architecture framework to build reactive apps 💣

crystal event-driven events onyxframework shard

Last synced: 10 Apr 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/ruivieira/rss

RSS parser for Crystal

crystal parser rss

Last synced: 21 Jul 2025

https://github.com/didactic-drunk/fiber_metrics.cr

Runtime and memory allocation metrics

crystal performance-analysis

Last synced: 04 Oct 2025

https://github.com/geocrystal/geojson

Crystal library for reading and writing GeoJSON

crystal geojson json rfc-7946

Last synced: 12 Jun 2025

https://github.com/izniburak/turkish-number

turn integers into the Turkish words for Crystal Language

crystal number-to-words numbers turkish-language

Last synced: 01 Feb 2026

https://github.com/madbomber/justprep

A pre-process for the just command line utility

crystal just ruby

Last synced: 02 Mar 2026

https://github.com/nicolab/crystal-lru-cache

:gem: key/value LRU cache that supports lifecycle, global size limit and expiration time.

cache crystal crystal-lang kv kv-store lru lru-cache store

Last synced: 27 Jul 2025

https://github.com/c910335/mass-spec

Web API testing library

crystal testing

Last synced: 27 Mar 2025

https://github.com/mamantoha/iso_codes

🌐 Lists of various ISO standards (ISO 3166-1 for countries and ISO 639-2 for languages) with translations for Crystal

countries crystal emoji hacktoberfest iso-3166-1 iso-639-1 languages

Last synced: 08 May 2025

https://github.com/fryguy/crystal_allegro

Crystal binding to the Allegro game programming library.

allegro crystal

Last synced: 04 Mar 2026

https://github.com/hkalexling/mg

A minimal database migration tool for Crystal

crystal database migration-tool

Last synced: 06 Oct 2025

https://github.com/hugolgst/rich-crystal

📇a simple Crystal extension for Discord Rich Presence

crystal discord rich-presence

Last synced: 23 Apr 2025

https://github.com/didactic-drunk/crypto-secret.cr

Interface for holding sensitive information

cryptography crystal

Last synced: 18 Jul 2025

https://github.com/oneiros/identicon.cr

Create github-style identicons that can be used as avatars

avatars crystal identicon

Last synced: 15 Apr 2025

https://github.com/hugopl/version_from_shard

A macro to declare the VERSION constant from the value found in shard.yml, so you don't need to write the same version number in multiple places.

crystal versioning

Last synced: 23 Jul 2025

https://github.com/qequ/jmespath.cr

Crystal implementation of JMESPath, a query language for JSON

crystal jmespath json

Last synced: 11 Jul 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/faustinoaq/interactive-crystal

Experiment with dynamic library loading

crystal experiment

Last synced: 23 Jul 2025

https://github.com/mamantoha/time_zone

A helper to work with time zones in Crystal

crystal

Last synced: 16 Oct 2025

https://github.com/geopjr/shipwreck

Automatically create Crystal JSON mappings from input

crystal generator json svelte

Last synced: 13 Oct 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/arcage/ast_viewer.cr

Visualize the AST structure from ASTNode object, source file, or source code string.

crystal

Last synced: 12 May 2025

https://github.com/imdrasil/factory

Library for factorizing objects

crystal factory testing

Last synced: 07 May 2025