JWT support for Scala. Bonus extensions for Play, Play JSON, Json4s, Circe, uPickle, Spray and Argonaut

Typed Postgresql integration for JVM. Hopes to avoid typos

Scala library for boilerplate-free, type-safe data transformations

ZIO — A type-safe, composable library for async and concurrent programming in Scala

Type-safe, persistent storage for values of arbitrary types

Scala combinator library for working with binary data

An OpenTelemetry library for Scala based on Cats-Effect

Optics library for Scala

A small companion to cats

Automatic type class derivation for Cats

Integration between jawn and fs2

A minimal, idiomatic Scala interface for HTTP

streaming data parsing and transformation library

Compositional, streaming I/O library for Scala

Cross-platform CRON expression parsing for Scala

Yet another JSON library for Scala

A STM implementation for Cats Effect

Data structures for pure functional programming in Scala

Cats Actors framework for building apps which are reactive. Cats actors uses a conceptual actor model as a higher level abstraction for concurrency.

gRPC implementation for FS2/cats-effect

endless is a library to build distributed systems in functional Scala using a pluggable runtime model

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

Lightweight, modular, and extensible library for functional programming.

Elm-inspired Scala UI library.

Generic programming for Scala

Functional Configurations for Scala

Defines immutable, safe data structures for describing IP addresses, multicast joins, socket addresses and similar IP & network related data types

The Scala 3 compiler, also known as Dotty.

Functional Prometheus Metrics API for Scala

Support for Prometheus Metrics