Reason about resource-safety in the same way you reason about Structured Concurrency

Additional functional programming idioms over and above what is available from Arrow.

DSL for accessing and modifying deeply nested JSON for KotlinX Serialization with Arrow Optics

Boilerplate-free Kotlin config library for loading configuration files as data classes

Toolset for creating simple parsers from raw input types, to properly validated parsed types

Parser-combinators with Kotlin Coroutines

Little utilities for more pleasant immutable data in Kotlin

Better initial-style DSLs in Kotlin