Open Source Software for Crystal

Lucky Framework Lucky Framework

Lucky is a web framework written in the programming language Crystal. With the Lucky Framework you can quickly catch bugs at compile time and build balzing fast web applications, faster. Much like Crystal takes syntactical inspiration from Ruby, Lucky takes its inspiration from Ruby on Rails.

Kemal Kemal

Kemal is a lightning fast, super simple web framework written in Crystal.

Amber Framework Amber Framework

Amber is a web framework written in the programming language Crystal that makes building web applications fast, simple, and enjoyable. The Amber Framework provides productivity and happiness through a powerful CLI and familiar design patterns seen in Kemal, Rails, Phoenix and other popular frameworks. With the Amber Framework you can build blazing fast web applications that your users will love.

Spider Gazelle Spider Gazelle

Spider Gazelle is a Rails esque web framework written in the programming language Crystal. The framework focuses on speed, extensabillity and ease-of-use.