Crystal Misc

Guardian watches over your files and run assigned tasks.

Build/Runs your crystal application, watches files, and rebuilds/restarts app on file changes

DISCONTINUED. Building native OSX apps

A modern command line job processor, similar with make command

Thread-safe, persistent, immutable collections for the Crystal language

Embedded mruby/Ruby for Crystal

Read/Write PNG images in pure Crystal

An Html parser library for Crystal (like Nokogiri for Ruby)

Give your SQL some love

DSL for creating HTML

Web Application Firewall (WAF) Detector

Functional programming library for https://github.com/crystal-lang/crystal

A crystal port of the Ruby Language Toolkit

⭐️ Web frameworks for Crystal, most starred on Github

:arrows_clockwise: Easy to use finite state machine for Crystal classes

Future type implementation for Crystal language

Simple job scheduler with crontab patterns for Crystal Language.

Monads for Crystal

DISCONTINUED. CPU Raytracer with examples

Inflector shard for Crystal. A port of ActiveSupport::Inflector

A statsd client library for Crystal.

:green_heart: Emoji for Crystal

Retriable.cr is a simple DSL to retry failed code blocks

Kreal is a model sharing & RPC library built on and works with Kemal seamlessly.

A Crystal sequence differencing implementation

Crystal shard wrapping the rbsec/sslscan utility

Uniformed function call syntax for Crystal Language.

Universally Unique Lexicographically Sortable Identifier (ULID) in Crystal

A Promise Implementation in Crystal

Better JSON::Any for Crystal

Publish and Subscribe for Crystal objects

Generate and parse m3u8 playlists for HTTP Live Streaming (HLS) in Crystal.

DISCONTINUED. Extensible annotation based serialization/deserialization library

Graphics engine written in Crystal.

Validations for Crystal Objects

👔 Zero-dependency Crystal shard to validate, generate and format Brazilian burocracias (CPF, CNPJ, CEP)

useful micro check library for Crystal Language.

Wiki in crystal, using Markdown and Git, inspired by dokuwiki. Last features to build are pretty hard, if you have some time to help... :)

Implementation of the circuit breaker pattern in crystal

Terminal string styling done right for crystal-lang

Binary parser for Crystal

Deal with money in Crystal

Write GIF images in pure Crystal

syscall interface for Crystal

DISCONTINUED. Internationalization shard 🌍

🚧 State Machine Compiler for Crystal

Microlibrary to perform ping requests with Crystal Lang

Extends `File` to provide `atomic_write()`.

DISCONTINUED. Rails compatible MessageVerifier for Crystal-lang apps

This shard provides facilities for checking whether a constant exists at compile time, and for a variety of different conditional compilation options. Code can be conditionally compiled based on the existence of a constant, version number constraints, or whether an environment variable is set truthy or not.

REST API for libgphoto2

Daemonize a crystal process.

Library to easily convert various time formats to milliseconds and milliseconds to human readable format.

turn integers into the Turkish words for Crystal Language

CLI tool to search and open documentation for Crystal language

Compiles all Licenses from project into binary for MIT compliance

Crystal shard for filename sanitization

DISCONTINUED. Expressive callbacks module for Crystal 🚉

⌚️ Crystal clear timers

Packet Analysis written in pure Crystal

Small simplistic helper class for executing shell commands in Crystal.

Implementation of the Observer pattern in crystal

a simple wrapper for crystal-xml

a tool for retrying code blocks

Internationalization library

Crystal tools for providing different behaviour at compile-time based on semantic versions

Library to generate HTTP ETags

DISCONTINUED. Portable current executable's path

A signals/slots library in Crystal

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

Heroku-like random name generator

Client for the clamd antivirus server

Crystal C bindings for the PortMIDI cross-platform MIDI I/O library

Crystal library for working with container registries.

A Crystal library for manipulating class-level definitions.

HTLM doc builder for RAML 1.0

Paranoid text spacing in Crystal

DISCONTINUED. Crystal tool to generate PDF manuals from HTML documentation sites

This implements a port of the Ruby Serf Handler gem -- https://github.com/wyhaines/serf-handler -- as a library that can be used to easily build compiled, distributable handler binaries using the Crystal language.