Alternatives and similar repositories for eff:

Users that are interested in eff are comparing it to the libraries listed below

• typelevel / kind-projector
  Compiler plugin for making type lambdas (type projections) easier to write
  ☆922Updated last week
• oleg-py / better-monadic-for
  Desugaring scala `for` without implicit `withFilter`s
  ☆708Updated 8 months ago
• typelevel / kittens
  Automatic type class derivation for Cats
  ☆538Updated this week
• typelevel / cats-collections
  Data structures for pure functional programming in Scala
  ☆559Updated this week
• typelevel / simulacrum
  First class syntax support for type classes in Scala
  ☆935Updated 9 months ago
• frees-io / freestyle
  A cohesive & pragmatic framework of FP centric Scala libraries
  ☆614Updated 5 years ago
• bkirwi / decline
  A composable command-line parser for Scala.
  ☆649Updated last week
• softwaremill / magnolia
  Easy, fast, transparent generic derivation of typeclass instances
  ☆774Updated this week
• estatico / scala-newtype
  NewTypes for Scala with no runtime overhead
  ☆543Updated 2 years ago
• tpolecat / tut
  doc/tutorial generator for scala
  ☆579Updated 3 years ago
• fosskers / scalaz-and-cats
  Usage examples and benchmarks between Scalaz and Cats (w/ Haskell ground-truth).
  ☆488Updated 3 years ago
• xebia-functional / fetch
  Simple & Efficient data access for Scala and Scala.js
  ☆496Updated this week
• tpolecat / atto
  friendly little parsers
  ☆360Updated 4 months ago
• vlovgr / ciris
  Functional Configurations for Scala
  ☆402Updated this week
• underscoreio / shapeless-guide
  The Type Astronaut's Guide to Shapeless
  ☆762Updated 5 years ago
• http4s / rho
  A self documenting DSL built on http4s
  ☆294Updated this week
• zio / zio-prelude
  A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration
  ☆459Updated this week
• com-lihaoyi / sourcecode
  Scala library providing "source" metadata to your program, similar to Python's __name__, C++'s __LINE__ or Ruby's __FILE__.
  ☆521Updated last month
• com-lihaoyi / utest
  A simple testing framework for Scala
  ☆487Updated last week
• endpoints4s / endpoints4s
  Describe HTTP endpoints in Scala and derive clients, servers, and documentation
  ☆407Updated 2 months ago
• higherkindness / mu-scala
  Mu is a purely functional library for building RPC endpoint based services with support for RPC and HTTP/2
  ☆331Updated this week
• scodec / scodec
  Scala combinator library for working with binary data
  ☆809Updated this week
• typelevel / mouse
  A small companion to cats
  ☆371Updated this week
• slouc / concurrency-in-scala-with-ce
  Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.
  ☆468Updated 3 years ago
• typelevel / cats-tagless
  Library of utilities for tagless final encoded algebras
  ☆320Updated this week
• wartremover / wartremover
  Flexible Scala code linting tool
  ☆1,091Updated this week
• com-lihaoyi / scalatags
  ScalaTags is a small XML/HTML construction library for Scala.
  ☆759Updated this week
• typelevel / sbt-tpolecat
  scalac options for the enlightened
  ☆396Updated this week
• disneystreaming / weaver-test
  A test framework that runs everything in parallel.
  ☆443Updated 4 months ago
• higherkindness / droste
  recursion schemes for cats; to iterate is human, to recurse, divine
  ☆388Updated this week