Official internal guidelines for picking a language

Monad is not a box

Parallel typeclass

Monad-Applicative consistency law

Operator Wars Reality

And how am I supposed to?

Cats Effect ContextShift cheat sheet

Another Cats Effect cheat sheet

Cats Effect Typeclasses cheat sheet

fs2 Concurrency

Concurrency vs Parallelism

Concurrency Primitives in cats-effect

When your cats or intellij are misbehaving

When life gives you tuple of lemons

Why should you care about RT