java.time API implementation in Scala and Scala.js

ZIO is a Type-safe, composable asynchronous and concurrent programming for Scala. ZIO lets developers quickly build applications that are highly scalable, testable, robust, resilient, resource-safe, efficient, and observable.

ZIO Test is Scala library for writing functional tests with support for Resources, Effects, Property-Based Testing, Aspects, etc.

zio-test-sbt

Fast, secure JSON library with tight ZIO integration.

jsoniter-scala-core

zio-mock

ZIO HTTP is a scala library for building http apps. It is powered by ZIO and Netty.

jsoniter-scala-macros

tapir-core

ZIO Prelude is an alternative approach to functional abstractions in Scala, which throws out the classic functor hierarchy in favor of a modular algebraic approach that is smaller, easier to understand and teach, and more expressive.