wvlet/airframe

Essential Building Blocks for Scala

purplekingdomgames/indigo

An FP game engine for Scala.

hseeberger/akka-http-json

Integrate some of the best JSON libs in Scala with Akka HTTP

lucacanali/sparkmeasure

This is the development repository for sparkMeasure, a tool and library designed for efficient analysis and troubleshooting of Apache Spark jobs. It focuses on easing the collection and examination of Spark metrics, making it a practical choice for both developers and data engineers.

etorreborre/specs2

Software Specifications for Scala

stanch/reftree

Automatically generated diagrams and animations for Scala data structures

atnos-org/eff

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

scalate/scalate

Scalate is a Scala based template engine which supports HAML, Mustache and JSP, Erb and Velocity style syntaxes.

scala-graph/scala-graph

Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way.

fomkin/korolev

Single Page Applications running on the server side.

apache/sedona

A cluster computing framework for processing large-scale geospatial data

estatico/scala-newtype

NewTypes for Scala with no runtime overhead

nulab/scala-oauth2-provider

OAuth 2.0 server-side implementation written in Scala

hyperledger-labs/scorex

Scorex 2.0 Core

wix-incubator/accord

Accord: A sane validation library for Scala

skinny-framework/skinny-framework

:monorail: "Scala on Rails" - A full-stack web app framework for rapid development in Scala

scapegoat-scala/scapegoat

Scala compiler plugin for static code analysis

argonaut-io/argonaut

Purely functional JSON parser and library in scala.

guardrail-dev/guardrail

Principled code generation from OpenAPI specifications

fasterxml/jackson-module-scala

Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes