Optics library for Scala
Expressive types for Spark.
Functional programming toolbox
Purely functional HTTP client
fs2 utilities to interact with AWS
Static annotations for Kittens for people who don't like to write semiautomatic derivations into companion objects themselves.
Scala Exercises for the Scala Optics library Monocle http://julien-truffaut.github.io/Monocle/
Scala API for jenetics
Modern API for JGAP
Automatic type class derivation for Cats
Declarative bidirectional codecs for DynamoDb AttributeValue, SDK 2