invidious
An open source alternative front-end to YouTube
lucky
Full-featured Crystal web framework
amber
Open source efficient and cohesive web application framework
redis
Full featured Redis client
shards
Dependency manager for the Crystal
exception_page
An exceptional exception page for Crystal web libraries and frameworks
kilt
Abstraction layer for template engines
hetzner-k3s
A CLI tool to quickly create and manage Kubernetes clusters in Hetzner Cloud
mysql
MySQL connector for Crystal
crecto
Database wrapper, based on Ecto
habitat
Type safe configuration for your classes and modules
markd
Yet another markdown parser built for speed, Compliant to CommonMark specification
admiral
A robust DSL for writing command line interfaces
jennifer
Active Record pattern implementation with flexible query chainable builder and migration system
halite
Crystal HTTP Requests with a chainable REST API, built-in sessions and loggers
sidekiq
Simple, efficient job processing
myhtml
Fast HTML5 Parser that includes CSS selectors
ameba
A static code analysis tool
crest
Simple HTTP and REST client, inspired by the Ruby's RestClient gem
clear
ORM specialized to PostgreSQL only but with advanced features
mosquito
Redis backed periodic and ad hoc job processing
amqproxy
An intelligent AMQP proxy, with connection and channel pooling/reusing
crystal_lib
Automatic binding generator for native libraries
nightly-link
Downloads the latest "nightly" build/artifact from a continuous testing workflow
backtracer
Shard aiming to assist with parsing backtraces into a structured form
future
Provides convenient methods to perform concurrent operations
carbon
Fun, testable, and adapter-based email library
scry
Code analysis server for Crystal
sdl
Simple DirectMedia Layer bindings (SDL2)
irs
Downloads audio and metadata from Spotify in order to package an mp3 with both
bindgen
C/C++/Qt binding and wrapper generator
protobuf
Protobuf generator, encoder and decoder
inflector
Singularize, pluralize, camelize, etc (port from ActiveSupport)
shainet
SHAInet (Neural Network in pure crystal)
sentry
Watches src files, rebuilds/reruns application on file changes
clim
Slim command line interface builder
http_proxy
A HTTP Proxy server and client written in Crystal
wordsmith
Handles pluralization, ordinalizing words, etc
marten
A web framework that makes building web applications easy, productive, and fun
qt5
Qt5 bindings for Crystal, based on Bindgen
spec2
Enhanced spec testing library
guardian
File change watcher for Crystal and Non-Crystal libs
lucky_router
The router for the Lucky framework, can be used outside Lucky
totem
Load and parse a configuration in JSON, YAML, dotenv formats
Axentro
A custom blockchain platform
onyx-http
REST API framework with type-safe params and separate business and rendering layers, based on
onyx-http
cli
Library for building command-line interface applications
dexter
A Logger that focuses on compatibility and flexible formats
neph
A modern command line job processor that can execute jobs concurrently
webmock
Library for stubbing HTTP::Client requests
crz
Functional programming library
immutable
Implementation of thread-safe, persistent, immutable collections
marionette
API for controlling head-less Firefox browser. Selenium without the Java overhead
sam
Another one Rake-like task manager with namespacing and arguments system
celestite
Build reactive, server-side rendered Vue & Svelte apps w/ a Crystal backend
multi_auth
Standardized multi-provider OAuth2 authentication (inspired by omniauth)
onyx-sql
DB-agnostic SQL ORM with beautiful DSL and type-safe Query builder
any_hash
Recursive Hash with better JSON::Any included
crystar
Readers and writers of Tar archive format
myst
A practical, dynamic language designed to be written and understood as easily and efficiently as possible
retriable
Simple DSL to retry failed code blocks
cossack
Simple flexible HTTP client
tallboy
Generate ASCII character tables with support for spanning cells over multiple columns
debug
debug!(…) macro for pp-style debugging
prax-cr
Rack proxy server for development
awscr-signer
Sign HTTP::Request objects and generate presigned post forms
bottle
Numerical computing library supporting N-Dimensional data