Crystal ORM using ActiveRecord pattern with flexible query DSL
Simple framework-agnostic flash message container.
Form objects decoupled from models.
Easy to use paginator for modern crystal web framework
Datamapper like Crystal ORM and adapter for Elasticsearch
Preview email in the default browser instead of sending it
SQLite3 adapter for Jennifer ORM
Rake-like task manager
ViewModel pattern implementation and extended form builder
Time Zone provides daylight savings aware transformations between times in different time zones.
Simple HTTP method emulator for form submitted data.
A crystal wrapper for ImageMagick command line.
Library for factorizing objects
Minimal authorization library
Crystal lib with different useful stuff
Extended mathematical shard