If you are learning ZIO, you will love
ZIO Catechism by Kit Langton, a visual companion that demonstrate various ZIO combinators with a really slick UI. It’s done using Scala.js so everything you see on screen is actually ran using ZIO. The sources are available
here.
zio-aws is a low-level wrapper for the entire suite of AWS libraries (based on the non-blocking AWS Java SDK v2).
zio-prefetcher is a new project that lets you… well, pre-fetch some data so you don’t need to wait when you actually need it.