191 Open source projects that are alternatives of or similar to Cats Infographic

Composable, purely functional healthchecks in Scala.

Purely functional HTTP client

Asynchronous, Reactive Programming for Scala and Scala.js.

An implementation of the java pet store using FP techniques in scala

A wrapper around Apache SSHD targeting cats-effect and fs2

A small companion to cats

A disciplined way to purely functional domain models in Scala

Generic programming for Scala

http4s, in a browser near you

🌠 Purely functional Apache Pulsar client for Scala built on top of Fs2

Scala Test-State.

Expressive types for Spark.

Optics library for Scala

A data access library for Scala + Postgres.

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

A minimal, idiomatic Scala interface for HTTP

STM monad for cats-effect

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

🛒 The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"

Functional JDBC layer for Scala.

🎥 Source code of the examples shown in the video tutorials

Functional Programming in Scala Tutorial

Implementation of the Free Arrow in Scala and other helpful tools for working with Arrows

An implementation of Fibonacci Anyons in Haskell

A type driven approach to string interpolation, aiming at consistent, secure, and only-human-readable logs and console outputs !

Functional programming tools: option, either, task, state, optics, etc.

Simple client for Ftp/Ftps/Sftp

Scalaz and Cats compatibility

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

Async-capable IO monad for JS

Functional dataflow through composable computations

🏹 Bow Lite is a cross-platform library for Typed Functional Programming in Swift

Abstraction for managing asynchronous code in JS

Functional programming, immutable collections and FP constructs for typescript and javascript

An hackathon project made for RSF/RWB by AnDaolVras' Devs (Coworking Space in #Brest , Western France)

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

A lightweight, simple and functional library DSL to work with XML in Scala with Cats

WebAssembly engine in Scala

The place where PHP meets Functional Programming

Code repository for Swift 3 Functional Programming, published by Packt

Model complex data transformation pipelines easily

🔧 Fast, modern, and practical utility library for FP in TypeScript.

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

A data structure for validations. It implements the applicative functor interface

An effort to statically type xstate

Functional Programming for EcmaScript(Javascript)

A multiplatform Result monad for modelling success or failure operations.

Generate cat images with neural networks

ESLint rules to disable mutation and promote fp in JavaScript and TypeScript.

Smart, pythonic, ad-hoc, typed polymorphism for Python

Idris version of Domain Modeling Made Functional Book.

🐘🔍Incomprehensible Finder Refactoring Kata port for PHP

Lazy / non-strict evaluation in JavaScript

🐈 Catstagram made with ReasonReact!

Typelevel's very own CryptoKitties!

Flexible law checking for Scala

Type calculations at compile time

A project for exploring Akka with Scala

An Open Source Android Launcher built with Scala on Android

an exciting new adventure for the Game Boy Color