Top 27 cats-effect open source projects

Asynchronous, Reactive Programming for Scala and Scala.js.

IdeaLingua RPC for Scala, TypeScript, C#, Go

WebAssembly engine in Scala

Source code of the book Pure functional HTTP APIs in Scala including a chapter about upgrading to Scala 3.

Helpers for cats & cats-effect

Vault Client Library For Scala

Simple client for Ftp/Ftps/Sftp

💻 Effect-type agnostic Console I/O for Cats Effect (archived, use Cats Effect 3 instead)

Telegramium or F[ Tg ] - pure functional Telegram Bot API implementation for Scala.

A disciplined way to purely functional domain models in Scala

Event sourcing utilities for FS2

For anyone who's struggling to put an http4s server together with ZIO

Google Cloud Pub/Sub stream-based client built on top of cats-effect, fs2 and http4s.

A wrapper around Apache SSHD targeting cats-effect and fs2

Scala wrapper for kafka consumer and producer

Functional Programming in Scala Tutorial

Workshop On Tagless Final Interpreters

🏮 Standalone examples shown in the book "Practical FP in Scala: A hands-on approach"

https://d2a4u.github.io/meteor/

Scala Kubernetes Operator library

Simple and lightweight HTTP async server for micropython

🎥 Source code of the examples shown in the video tutorials

🔎 Source code shown at my talks at Scale by the Bay 2018 and Scalar 2019

📚 Unofficial Giter8 template for the Typelevel Stack (Http4s / Doobie / Circe / Cats Effect / Fs2) based on Cats v1.x.x

Playground for measuring performance of functional programming tools in Scala. Gathers statistics about videos.

Small CLI app for filtering out music on Spotify.

Integration between cats-effect and test frameworks