• Stainless: Formal Verification for Scala
• scala-exercises The easy way to learn Scala.
• r/scala
  • Is it not common to put an exception on the left-side of an Either?
• Baeldung / Scala
• General Scala by Toby Hobson
• exercism / Scala

• r/scala / Scala with Cats - Why?
• Cats is a library which provides abstractions for functional programming in the Scala programming language.
  • Data Types
    • Validated
  • typelevel/cats
• Cats Effect The pure asynchronous runtime for Scala
  • typelevel/cats-effect
• Scala with Cats website for the book
  • Source code
• Applicative and Validated Scala Cats: nested form validation
• Medium
  • Omer Arshad
    • Introduction to Scala Cats — Part 1
    • Comparing Cats-Effect and ZIO: A Deep Dive into Scala’s Effect Systems
  • 9 tips about using cats in Scala you might want to know by Mikołaj Koziarkiewicz
    • Хабр / 9 советов по использованию библиотеки Cats в Scala
  • Validation in Scala 3 with Cats
• Baeldung
  • Scala – Introduction to Cats
  • Data Validation With Cats
• Why Parallel
• Toby Hobson
  • Typelevel Cats
    • Validated & ValidatedNel
• udemy / Functional Programming with Scala Cats
• Rock the JVM
  • Typelevel
    • Cats
    • Cats Effect
    • Typelevel Rite of Passage
• YouTube / [@NashTechLearningHub] (https://www.youtube.com/@NashTechLearningHub) / Scala with Cats

• Baeldung on Scala
  • Higher-Kinded Types
• Stack Overflow / generics - What is a higher kinded type in Scala?
• netvl.github.io/scala-guidelines
  • Higher-kinded types

• The IntelliJ Scala Plugin Blog / The Functional Programming in Scala Course Is Out!
• Jon Pearce
  • Lectures
    • Scala for Java Programmers
      • scala2
• Rock the JVM
  • Bundles
    • The Scala Bundle
    • The Apache Spark Bundle with Scala
  • Scala
  • YouTube / @rockthejvm
    • SBT
    • Scala 3
    • Type-Level Programming in Scala
    • Scala Tips
    • Scala at Light Speed [Full Course]