spotify/featran

A Scala feature transformation library for data science and machine learning

outwatch/outwatch

The Functional and Reactive Web-Frontend Library for Scala.js

twitter/scrooge

A Thrift parser/generator

udashframework/udash-core

Scala framework for building beautiful and maintainable web applications.

twitter/storehaus

Storehaus is a library that makes it easy to work with asynchronous key value stores

whisklabs/docker-it-scala

Docker integration testing kit with Scala

dlwh/epic

**Archived** Epic is a high performance statistical parser written in Scala, along with a framework for building complex structured prediction models.

foundweekends/conscript

Scala at your command

dispatch/reboot

Scala wrapper for the Java AsyncHttpClient.

xitrum-framework/xitrum

Async and clustered Scala web framework and HTTP(S) server

zio/zio-prelude

A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration

xebia-functional/fetch

Simple & Efficient data access for Scala and Scala.js

erikvanoosten/metrics-scala

The scala API for Dropwizard's Metrics.

typelevel/jawn

Jawn is for parsing jay-sawn (JSON)

scoverage/scalac-scoverage-plugin

Scoverage Scala Code Coverage Core Libs

bot4s/telegram

Telegram Bot API Wrapper for Scala

databricks/spark-avro

Avro Data Source for Apache Spark

crealytics/spark-excel

A Spark plugin for reading and writing Excel files

mrpowers/spark-fast-tests

Apache Spark testing helpers (dependency free & works with Scalatest, uTest, and MUnit)

ergoplatform/ergo

Ergo protocol description & reference client implementation