A Thrift parser/generator
Scala extensions for the Kryo serialization library
Acyclic is a Scala compiler plugin to let you prohibit circular dependencies between files
A boilerplate-free library for loading configuration files
uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala
RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences
ScalaTags is a small XML/HTML construction library for Scala.
Scala GraphQL implementation
Integrate some of the best JSON libs in Scala with Akka HTTP
SBT Native Packager
Flexible law checking for Scala
Twirl is Play's default template engine
Microbenchmarking and performance regression testing framework for the JVM platform.
Scala library providing "source" metadata to your program, similar to Python's __name__, C++'s __LINE__ or Ruby's __FILE__.
Scala extensions for Google Guice
Compile-time Language Integrated Queries for Scala
A Scala API for Cascading
Reactive data-binding for Scala
Scala combinator library for building Finagle HTTP services
Lightweight and Nonintrusive Scala Dependency Injection Library