75 Open source projects that are alternatives of or similar to http4s-modules

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

Delving into Free Monads and using them to write pure functional web applications

http4s, in a browser near you

Functional Programming in Scala Tutorial

Functional Telegram Bot API wrapper for Scala on top of akka, circe, cats, and shapeless

Proof of concept for a cats-like library built using Dotty features

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

Scala combinator library for working with binary data

An asynchronous non-blocking Scala client for Facebook Graph API (Facebook api REST)

Small CLI app for filtering out music on Spotify.

Generic programming for Scala

Optics library for Scala

Simple refinement types for Scala

Asynchronous data type with typed errors.

Standalone alternatives to Kafka Connect Connectors

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

POC: http4s http api on zio

typeclass diagram for cats

Principled code generation from OpenAPI specifications

Purely functional HTTP client

A small library for converting between case classes.

Type calculations at compile time

An effort to statically type xstate

Repository for general Typelevel information, activity and issues

Build your web API on the type level.

No description or website provided.

coulomb: unit analysis for Scala

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

A complete example of a fullstack (I actually don't know what this means) Scala application, using http4s on the backend and Laminar and Scala.js on the frontend

Integration between http4s & MUnit

Nearly zero runtime object allocation powered by scalameta. Value class and Unboxed Tagged Type generation at compile-time.

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

A data access library for Scala + Postgres.

Just an SBT plugin that enforces some organizational policies and settings across all of your projects

C++ Flavored Template Metaprogramming in Scala

Example of a RealWorld app backend powered by Scala + http4s

Expressive types for Spark.

Json/Protobuf convertors for ScalaPB use circe

doc/tutorial generator for scala

Example telegram bot implementation using fs2 and http4s client (no akka)

Experimental project to lay out basic algebra type classes

Kanadi is a Nakadi client for Scala

Flexible law checking for Scala

A small companion to cats

An implementation of Fibonacci Anyons in Haskell

Http4s on Finagle Server or Client

Asynchronous, Reactive Programming for Scala and Scala.js.

An experiment running http4s as native image with Graal (+ Substrate)

A minimal, idiomatic Scala interface for HTTP

IdeaLingua RPC for Scala, TypeScript, C#, Go

Command line parsing library using Free Applicative

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

Functional JDBC layer for Scala.

🔒 Opinionated JWT authentication library for Http4s

streaming data parsing and transformation library

Composable, purely functional healthchecks in Scala.

Data migrations through implicit function composition at the type-level

Lego bricks to build Apache Kafka serializers and deserializers

Implicitly converts typeclass encoders to kafka Serializer, Deserializer, Serde.

🌈 Code samples of advanced features of Http4s in combination with some features of Fs2 not often seen.