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-sbt

jsoniter-scala-core

java.time API implementation in Scala and Scala.js

tapir-core

ZIO integrates with Typelevel libraries by providing an instance of Concurrent, Temporal and Async for Task as required, for instance, by fs2, doobie and http4s.

ZIO Logging is the official logging library for ZIO 2 applications, with integrations for common logging backends.

scalacheck

Composable command-line parsing for Scala

circe derivation