Source code for the X Recommendation Algorithm

Principled Functional Programming in Scala

ZIO — A type-safe, composable library for async and concurrent programming in Scala

Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.

Scala Scripting

Yet another JSON library for Scala

Compositional, streaming I/O library for Scala

Functional JDBC layer for Scala.

Pure Scala Artifact Fetching

a command line tool to apply templates defined on GitHub

Scala combinator library for building Finagle HTTP services

Code formatter for Scala

Zero-cost, compile-time, type-safe dependency injection library.

Experimental Scala compiler focused on compilation speed

Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.

First class syntax support for type classes in Scala

Compiler plugin for making type lambdas (type projections) easier to write

Expressive types for Spark.

Slick extensions for PostgreSQL

Simple caching in Scala

Create Docker images directly from sbt

Desugaring scala `for` without implicit `withFilter`s

A cohesive & pragmatic framework of FP centric Scala libraries

Eff monad for cats - https://atnos-org.github.io/eff

Automatic type class derivation for Cats

NewTypes for Scala with no runtime overhead

A simple testing framework for Scala

Usage examples and benchmarks between Scalaz and Cats (w/ Haskell ground-truth).

Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.

Describe HTTP endpoints in Scala and derive clients, servers, and documentation