The Awesome Crystal feed



Bindings for lexborisov/myhtml
Featured Shard // Category Low level bindings



Pure, transparent and efficient ORM
Featured Shard // Category ORM/ODM Extensions

haikunator vs crystal-futures

Popular comparison
  • haikunator - Heroku-like random name generator
  • crystal-futures - Future type implementation

Last 7 Days


Yet another simple HTTP and REST client with a chainable API, built-in sessions and timeouts
Featured Shard // Category HTTP


A combined SMTP/POP3-server with volatile mail storage
Featured Shard // Category Email

Awesome Crystal Newsletter » 71

Top Stories
  • The State of Crystal on Windows
  • My first medium article! What I learned writing my first crystal app.
  • Deploying Angular and Lucky Monorepo using Netlify and Heroku
Follow us on Twitter @CrystalLibHunt

lucky vs amber

Popular comparison
  • lucky - Catch bugs early, forget about most performance issues, and spend more time on code instead of debugging and writing tests
  • amber - Open source efficient and cohesive web application framework

Bindings for libncursesw and crt
Featured Shard // Category Low level bindings

The State of Crystal on Windows

Article Popular Story //


Library for building command-line interface applications
Featured Shard // Category CLI Builders


Popular comparison
  • CSV - parsing and generating for comma-separated values (Crystal stdlib)
  • XML - parsing and generating XML documents (Crystal stdlib)


Linear algebra library inspired by MATLAB and SciPy.linalg
Featured Shard // Category Science and Data analysis

crystal-ovh vs

Popular comparison
  • crystal-ovh - Lightweight Crystal wrapper around OVH's API
  • - This library signs your HTTP requests using AWS v4

kemal vs amber

Popular comparison
  • kemal - Lightning Fast, Super Simple web framework. Inspired by Sinatra
  • amber - Open source efficient and cohesive web application framework

Last 30 Days


Implementation of the Observer pattern
Featured Shard // Category Misc


Implementation of the circuit breaker pattern
Featured Shard // Category Misc


A tiny and simple test framework
Featured Shard // Category Testing


Yet another markdown parser built for speed, Compliant to CommonMark specification
Featured Shard // Category Markdown/Text Processors

Awesome Crystal Newsletter » 70

Top Stories
  • Bruce Perens, who is one of the founders of the Open Source movement is writing about Crystal in his own blog
  • Creating a Cryptocurrency in the Crystal Programming Language
  • JWT Authentication with Lucky Api
Follow us on Twitter @CrystalLibHunt


A programming language for scientific computation
Synced from the Github list // Category Implementations and Compilers


Simple HTTP and REST client, inspired by the Ruby's RestClient gem
Featured Shard // Category HTTP

NuummiteOS vs csmli

Popular comparison
  • NuummiteOS - An OS written in Crystal as a Proof of Concept
  • csmli - Mini-Lisp interpreter

cr-melon vs crystal-mime

Popular comparison
  • cr-melon - Class based Http APIs
  • crystal-mime - Mimetypes for Crystal

ohm-crystal vs record

Popular comparison
  • ohm-crystal - Object-hash mapping library for Redis
  • record - Type safe querying, saving and updating


Data Mapper pattern implementation for ElastiSearch
Featured Shard // Category Search

kemal-chat vs kemal-heroku-example

Popular comparison
  • kemal-chat - Build realtime applications with Kemal and WebSocket
  • kemal-heroku-example - This repository shows, how you can publish your open source apps which powered kemal framework publish as heroku app in seconds


A Generic Algorithm Library
Featured Shard // Category Algorithms and Data structures

stal-crystal vs crecto

Popular comparison
  • stal-crystal - Set algebra solver for Redis
  • crecto - Database wrapper, based on Ecto

cr-dotenv vs

Popular comparison
  • cr-dotenv - Loads .env file
  • - Dockerfile Parsing Library

Bindings for OpenBSD's pledge(2)
Featured Shard // Category C bindings