Books

Free, open source books on Scala and functional programming:

Essential Scala

Learn to write robust, performant, idiomatic Scala. A focused guide for established developers.

Scala with Cats

Dive deep into functional patterns using Scala and Cats. For experienced Scala developers.

The Type Astronaut's Guide to Shapeless

Scrap your boilerplate and derive type classes with shapeless. For experienced Scala developers.

Essential Play

Learn to use the Play web framework to build web sites and services. For new to intermediate Scala developers.

Essential Slick

Learn to use Lightbend's Slick to interact with relational databases. For new to intermediate Scala developers.

Creative Scala

Learn functional programming with pictures! A fun and practical introduction for new developers.