Scala Exercises is an open source platform for learning Scala through interactive exercises and tutorials. It provides a hands-on learning environment where users can read theory and immediately code (in the browser) and see results. The content covers Scala language features, functional programming libraries (cats, scalaz, etc.), and fp-style patterns. It is modular, so additional modules or “sections” can be added for new topics or libraries. The aim is to reduce the friction in learning Scala by integrating documentation, examples, and live code execution in a unified environment. It also serves as a community-driven repository: contributors can author and maintain exercises, and learners can see evolving content aligned with the Scala ecosystem’s changes.