Scala: Popular tools, libraries, and frameworks

By Alvin Alexander. Last updated: February 3, 2024

Build tools
Testing tools
Database
Functional Programming
Asynchronous/parallel/concurrent programming
Web frameworks
JSON
HTTP clients
Configuration/properties
Many more

This page is a collection of popular tools, libraries, and frameworks for the Scala programming language.

Build tools

SBT
Maven
Gradle
CBT

Testing tools

ScalaTest
Specs2
ScalaCheck
ScalaMock

Database

ScalikeJdbc
Slick

Functional Programming

Cats
Scalaz

Asynchronous/parallel/concurrent programming

Akka
Monix (ReactiveX, more)

Web frameworks

Play Framework
Scalatra
Lift

JSON

Json4s
Circe (related to Cats)
Spray-Json

HTTP clients

Scalaj-http
http4s
Akka HTTP
Akka HTTP Client
sttp

Configuration/properties

Lightbend Config

Many more

There are many more Scala libraries, frameworks, and tools. These are just ones I have used and like. For a much larger list, see the scala-lang.org Scaladex (Scala index).

scala

build

database

jdbc

libraries

library

test

testing