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typelevel.scala

Let the Scala compiler work for you.

Typelevel is an ecosystem of projects and a community of people united to foster an inclusive, welcoming, and safe environment around functional programming in Scala. Also find us on...

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  1. cats cats Public

    Lightweight, modular, and extensible library for functional programming.

    Scala 5.3k 1.2k

  2. fs2 fs2 Public

    Compositional, streaming I/O library for Scala

    Scala 2.4k 605

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 1.9k 407

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 243

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.1k 532

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 330 56

Repositories

Showing 10 of 106 repositories
  • cats Public

    Lightweight, modular, and extensible library for functional programming.

    typelevel/cats’s past year of commit activity
    Scala 5,284 1,210 211 (7 issues need help) 37 Updated Jan 22, 2025
  • cats-collections Public

    Data structures for pure functional programming in Scala

    typelevel/cats-collections’s past year of commit activity
    Scala 559 99 14 (1 issue needs help) 2 Updated Jan 22, 2025
  • kittens Public

    Automatic type class derivation for Cats

    typelevel/kittens’s past year of commit activity
    Scala 538 Apache-2.0 66 8 1 Updated Jan 22, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 331 MIT 78 14 7 Updated Jan 22, 2025
  • natchez-http4s Public

    Glorious integration layer for Natchez and Http4s.

    typelevel/natchez-http4s’s past year of commit activity
    Scala 47 MIT 18 2 3 Updated Jan 22, 2025
  • cats-tagless Public

    Library of utilities for tagless final encoded algebras

    typelevel/cats-tagless’s past year of commit activity
    Scala 320 Apache-2.0 40 12 (6 issues need help) 4 Updated Jan 22, 2025
  • scalacheck-effect Public

    Effectful property testing built on ScalaCheck

    typelevel/scalacheck-effect’s past year of commit activity
    Scala 81 Apache-2.0 24 6 5 Updated Jan 22, 2025
  • discipline-scalatest Public

    ScalaTest binding for Discipline

    typelevel/discipline-scalatest’s past year of commit activity
    Scala 20 MIT 15 1 1 Updated Jan 22, 2025
  • discipline-specs2 Public

    Specs2 Integration for Discipline

    typelevel/discipline-specs2’s past year of commit activity
    Scala 9 MIT 11 0 4 Updated Jan 22, 2025
  • discipline Public

    Flexible law checking for Scala

    typelevel/discipline’s past year of commit activity
    Scala 330 MIT 56 5 1 Updated Jan 22, 2025