Alternatives and similar repositories for decline:

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

• oleg-py / better-monadic-for
  Desugaring scala `for` without implicit `withFilter`s
  ☆707Updated last year
• softwaremill / magnolia
  Easy, fast, transparent generic derivation of typeclass instances
  ☆782Updated this week
• typelevel / kittens
  Automatic type class derivation for Cats
  ☆541Updated this week
• disneystreaming / weaver-test
  A test framework that runs everything in parallel.
  ☆445Updated 8 months ago
• estatico / scala-newtype
  NewTypes for Scala with no runtime overhead
  ☆543Updated 3 years ago
• scalameta / munit
  Scala testing library with actionable errors and extensible APIs
  ☆446Updated this week
• outr / scribe
  The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.
  ☆528Updated this week
• typelevel / sbt-tpolecat
  scalac options for the enlightened
  ☆399Updated this week
• vlovgr / ciris
  Functional Configurations for Scala
  ☆406Updated this week
• typelevel / log4cats
  Logging Tools For Interaction with cats-effect
  ☆407Updated this week
• lightbend-labs / mima
  A tool for catching binary incompatibility in Scala
  ☆471Updated last month
• softwaremill / quicklens
  Modify deeply nested case class fields
  ☆838Updated this week
• typelevel / simulacrum
  First class syntax support for type classes in Scala
  ☆936Updated last year
• com-lihaoyi / sourcecode
  Scala library providing "source" metadata to your program, similar to Python's __name__, C++'s __LINE__ or Ruby's __FILE__.
  ☆528Updated 5 months ago
• softwaremill / diffx
  Pretty diffs for scala case classes
  ☆343Updated 5 months ago
• profunktor / redis4cats
  Redis client built on top of Cats Effect, Fs2 and Lettuce
  ☆355Updated last week
• scalacenter / scalafix
  Refactoring and linting tool for Scala
  ☆849Updated this week
• typelevel / cats-collections
  Data structures for pure functional programming in Scala
  ☆561Updated this week
• typelevel / kind-projector
  Compiler plugin for making type lambdas (type projections) easier to write
  ☆924Updated 2 weeks ago
• xebia-functional / fetch
  Simple & Efficient data access for Scala and Scala.js
  ☆497Updated this week
• scalalandio / chimney
  Scala library for boilerplate-free, type-safe data transformations
  ☆1,211Updated 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
• cb372 / cats-retry
  ☆297Updated 2 weeks ago
• higherkindness / mu-scala
  Mu is a purely functional library for building RPC endpoint based services with support for RPC and HTTP/2
  ☆330Updated this week
• frees-io / freestyle
  A cohesive & pragmatic framework of FP centric Scala libraries
  ☆614Updated 5 years ago
• typelevel / mouse
  A small companion to cats
  ☆375Updated last week
• alexarchambault / case-app
  Type-level & seamless command-line argument parsing for Scala
  ☆300Updated this week
• scalameta / mdoc
  Typechecked markdown documentation for Scala
  ☆400Updated last week
• arainko / ducktape
  Automatic and customizable compile time transformations between similar case classes and sealed traits/enums, essentially a thing that gl…
  ☆421Updated this week
• scapegoat-scala / scapegoat
  Scala compiler plugin for static code analysis
  ☆539Updated this week