Http4s Alternatives

Similar projects and alternatives to Http4s

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better Http4s alternative or higher similarity.

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Reviews and mentions

Posts with mentions or reviews of Http4s. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-09-18.
  • Akka became the de-facto solution for Scala web development? | 2021-09-18
  • Any HTTPS web proxy library in Scala? | 2021-08-06
    Here is a possible sketch with the functional http4s library. In http4s, both Http clients and servers are modelled as functions from Http requests to an Http response generated from an IO action. This would be like a function Request => IO[Response], which in http4s is called an HttpApp.
  • Building a REST API in Scala 3 using Iron and Cats | 2021-07-27
  • A library like Express.js? | 2021-07-26
    Have you checked http4s? I'm using it as a lightweight HTTP server with routing, etc. It might be not your cup of tea, if you don't use pure functional programming, etc, though.
  • Why Typelevel hates ZIO? | 2021-07-06
  • Is there a library which allows to manage websocket connections? | 2021-03-01
    The other day I was also trying to get rid of akka stack and replaced it with http4s for server and sttp for client (http4s websocket client support is in open state for more than 5 years for now: It still works pretty well, especially since they both can be built from fs2 steams.
  • Example of building web apis (functionally) in Scala | 2021-02-16
    http4s,, its a good lightweight framework for building IO based REST APIs.
  • Does anyone here (intentionally) use Scala without an effects library such as Cats or ZIO? Or without going "full Haskell"? | 2021-02-08
    On the backend, I use http4s with Cats Effect, but I don't think in terms of purity or category theory, I just use IO as a nicer Future.
  • Why there is still no ExpressJS-like alternative in Scala? | 2021-01-07
    The example uses Cats Effect, FS2 and Tagless Final.


Basic Http4s repo stats
5 days ago

http4s/http4s is an open source project licensed under Apache License 2.0 which is an OSI approved license.

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