44 Extensions packages and projects

  • Scalactic

    8.6 9.0 Scala
    Small library of utilities related to quality that helps keeping code clear and correct.
  • cats

    7.1 8.6
    Lightweight, modular, and extensible library for functional programming.
  • Twitter Util

    9.0 8.6 Scala
    General-purpose Scala libraries, including a future implementation and other concurrency tools.
  • Monocle

    8.4 8.6 Scala
    An Optics/Lens library for purely functional manipulation of immutable objects.
  • better-files

    8.4 8.4 Scala
    Simple, safe and intuitive Scala I/O. better-files is a dependency-free pragmatic thin Scala wrapper around Java NIO.
  • scala.meta

    7.9 8.4 Scala
    A clean-room implementation of a metaprogramming toolkit for Scala.
  • refined

    7.8 8.4 Scala
    Simple refinement types with compile- and runtime checking
  • Ammonite-Ops

    9.2 8.3 Scala
    Safe, easy, filesystem operations in Scala as convenient as in the Bash shell.
  • tinylog

    5.4 8.3 L2 Java
    Lightweight logging framework with native logging API for Scala.
  • Scalaz

    9.7 8.0 Scala
    An extension to the core Scala library for functional programming.
  • Chimney

    6.7 7.9 Scala
    Scala library for boilerplate-free data transformations.
  • Enumeratum

    7.4 7.8 Scala
    A macro to replace Scala enumerations with a sealed family of case objects. This allows additional checks for the compiler, e.g. for missing cases in a match statement. Has additinal support for Json libraries and the Play framework.
  • Simulacrum

    7.7 7.3 Scala
    First class syntax support for type classes in Scala.
  • Each

    5.1 7.1 Scala
    A macro library that converts native imperative syntax to Scalaz's monadic expressions.
  • enableIf.scala

    2.9 7.0 Scala
    A library that switches Scala code at compile-time, like #if in C/C++.
  • Shapeless

    9.3 7.0 Scala
    A type class and dependent type based generic programming library for Scala.
  • Hamsters

    5.3 6.9 Scala
    A mini Scala utility library. Compatible with functional programming beginners. Featuring validation, monad transformers, HLists, Union types.
  • Scala Graph

    6.8 6.8 Scala
    A Scala library with basic graph functionality that seamlessly fits into the Scala standard collections library.
  • Eff

    6.2 6.6 Scala
    Extensible effects are an alternative to monad transformers for computing with effects in a functional way.
  • n-scala

    7.5 6.5 Scala
    Scala wrapper for Joda Time.
  • Log4s

    3.5 5.6 Scala
    Fast, Scala-friendly logging bindings on top of SLF4J. Uses macros for extreme performance.
  • Records for Scala

    4.1 5.6 Scala
    Labeled records for Scala based on structural refinement types and macros.
  • Quicklens

    6.5 5.4 Scala
    modify deeply nested case class fields with an elegant API
  • scribe

    4.8 5.4 Scala
    Practical logging framework that doesn't depend on any other logging framework and can be completely configured programmatically.
  • Scala Async

    8.3 5.2 Scala
    An asynchronous programming facility for Scala.
  • Squid

    4.1 5.2 Scala
    Type-safe metaprogramming framework with typed, hygienic quasiquotes.
  • Scala-Logging

    7.6 4.2 Scala
    Convenient and performant logging library for Scala wrapping SLF4J.
  • chronoscala

    4.2 3.3 Scala
    Scala wrapper for Java Date/Time API.
  • LArray

    5.6 2.1 Scala
    Large off-heap arrays (> 2GB) and mmap files.
  • Freestyle

    7.1 1.8 Scala
    A cohesive & pragmatic framework of FP centric Scala libraries.
  • Cassovary

    8.5 1.5 Scala
    A Scala library that is designed from the ground up for space efficiency, handling graphs with billions of nodes and edges.
  • Play monadic actions

    3.9 1.4 Scala
    A simple scala DSL to allow clean and monadic style for Play! Actions
  • Freedsl

    1.9 0.9 Scala
    A library to implement composable side effects, weaving typeclasses on a wrapping type and the free monad.
  • Persist-Logging

    2.0 0.0 Scala
    Comprehensive logging library for Scala.
  • Lamma

    2.9 0.0 Scala
    A Scala date library for date and schedule generation.
  • Scala Blitz

    4.5 0.0 Scala
    A library to speed up Scala collection operations by removing runtime overheads during compilation, and a custom data-parallel operation runtime.
  • Sauron

    4.0 0.0 Scala
    Lightweight lens library in less than 50-lines of Scala.
  • wvlet-log

    2.0 0.0 Scala
    A library for enhancing your application logs with colors and source code locations.
  • pico-event

    1.0 0.0 Scala
    Tiny publish subscribe library
  • idid

    0.9 0.0 Scala
    A library to define common interfaces for different Id types.
  • Freasy Monad

    3.1 0.0 Scala
    Easy way to create Free Monad using Scala macros with first-class Intellij support.
  • Rapture

    4.7 0.0 Scala
    a collection of libraries for common, everyday programming tasks (I/O, JSON, i18n, etc.)
  • Resolvable

    2.1 0.0 Scala
    A library to optimize fetching immutable data structures from several endpoints in several formats.
  • Stateless Future

    4.8 0.0 Scala
    Asynchronous programming in fully featured Scala syntax.

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