Crystal

Become a Superuser!
free

Installation and Introduction to Crystal

Installing Crystal, writing hello world, and using a dependency.

free

Web server

Make a project with Kemal, a “Fast, Effective, Simple web framework for Crystal”

free

Language basics II

Learn about classes, modules, generics, and macros.

free

JSON & Databases

Add a database to your Kemal project with crystal-db.

free

Crystal Language basics

Learning about the playground, types, method overloading, classes and modules, generics, and macros.