Crystal Misc

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

Guardian watches over your files and run assigned tasks.

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

A modern command line job processor, similar with make command

Building native OSX apps

Embedded mruby/Ruby for Crystal

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

Read/Write PNG images in pure Crystal

Give your SQL some love

DSL for creating HTML

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

A crystal port of the Ruby Language Toolkit

Web Application Firewall (WAF) Detector

⭐️ Web frameworks for Crystal, most starred on Github

Simple job scheduler with crontab patterns for Crystal Language.

Future type implementation for Crystal language

Monads for Crystal

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

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

CPU Raytracer with examples

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

A statsd client library for Crystal.

A Crystal sequence differencing implementation

:green_heart: Emoji for Crystal

Crystal shard wrapping the rbsec/sslscan utility

Uniformed function call syntax for Crystal Language.

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

Universally Unique Lexicographically Sortable Identifier (ULID) in Crystal

Better JSON::Any for Crystal

A Promise Implementation in Crystal

Publish and Subscribe for Crystal objects

Graphics engine written in Crystal.

Extensible annotation based serialization/deserialization library

useful micro check library for Crystal Language.

Validations for Crystal Objects

Implementation of the circuit breaker pattern in crystal

Internationalization shard 🌍

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

🚧 State Machine Compiler for Crystal

syscall interface for Crystal

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

Write GIF images in pure Crystal

Terminal string styling done right for crystal-lang

Deal with money in Crystal

Binary parser for Crystal

Microlibrary to perform ping requests with Crystal Lang

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

Rails compatible MessageVerifier for Crystal-lang apps

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

Daemonize a crystal process.

turn integers into the Turkish words for Crystal Language

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.

CLI tool to search and open documentation for Crystal language

Expressive callbacks module for Crystal 🚉

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

Compiles all Licenses from project into binary for MIT compliance

Small simplistic helper class for executing shell commands in Crystal.

Internationalization library

a simple wrapper for crystal-xml

Web API for libgphoto2

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

Library to generate HTTP ETags

Crystal shard for filename sanitization

Packet Analysis written in pure Crystal

Heroku-like random name generator

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

a tool for retrying code blocks

Implementation of the Observer pattern in crystal

Portable current executable's path

A signals/slots library in Crystal

Crystal library for working with container registries.

⌚️ Crystal clear timers

HTLM doc builder for RAML 1.0

Client for the clamd antivirus server

A Crystal library for manipulating class-level definitions.

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

Paranoid text spacing in Crystal

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.

Crystal tool to generate PDF manuals from HTML documentation sites