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

Building native OSX apps

A modern command line job processor, similar with make command

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

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

Read/Write PNG images in pure Crystal

Give your SQL some love

Embedded mruby/Ruby for Crystal

DSL for creating HTML

A crystal port of the Ruby Language Toolkit

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

Web Application Firewall (WAF) Detector

Future type implementation for Crystal language

Monads for Crystal

Simple job scheduler with crontab patterns for Crystal Language.

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

⭐️ Web frameworks for Crystal, most starred on Github

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

CPU Raytracer with examples

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

A statsd client library for Crystal.

Uniformed function call syntax for Crystal Language.

A Crystal sequence differencing implementation

:green_heart: Emoji for Crystal

Graphics engine written in Crystal.

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

A Promise Implementation in Crystal

Universally Unique Lexicographically Sortable Identifier (ULID) in Crystal

Publish and Subscribe for Crystal objects

Better JSON::Any for Crystal

Extensible annotation based serialization/deserialization library

No dependency Crystal shard to validate, generate and format Brazilian burocracias such as CPF, CNPJ and CEP

Implementation of the circuit breaker pattern in crystal

Validations for Crystal Objects

syscall interface for Crystal

Crystal shard wrapping the rbsec/sslscan utility

useful micro check library for Crystal Language.

Internationalization shard 🌍

Write GIF images in pure 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... :)

Binary parser for Crystal

Terminal string styling done right for crystal-lang

Deal with money in Crystal

🚧 State Machine Compiler for Crystal

Microlibrary to perform ping requests with Crystal Lang

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

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

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.

Internationalization library

turn integers into the Turkish words for Crystal Language

CLI tool to search and open documentation for Crystal language

Expressive callbacks module for Crystal 🚉

Small simplistic helper class for executing shell commands in Crystal.

a simple wrapper for crystal-xml

Crystal shard for filename sanitization

Compiles all Licenses from project into binary for MIT compliance

Daemonize a crystal process.

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

Web API for libgphoto2

Heroku-like random name generator

a tool for retrying code blocks

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

Implementation of the Observer pattern in crystal

Portable current executable's path

Packet Analysis written in pure Crystal

HTLM doc builder for RAML 1.0

A signals/slots library in Crystal

Client for the clamd antivirus server

Library to generate HTTP ETags

A Crystal library for manipulating class-level definitions.

⌚️ Crystal clear timers

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

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

Crystal library for working with container registries.

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