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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 610

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 1.9k 406

  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 535

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 332 56

Repositories

Showing 10 of 106 repositories
  • cats-collections Public

    Data structures for pure functional programming in Scala

    typelevel/cats-collections’s past year of commit activity
    Scala 560 99 14 (1 issue needs help) 2 Updated Mar 1, 2025
  • fs2 Public

    Compositional, streaming I/O library for Scala

    typelevel/fs2’s past year of commit activity
    Scala 2,386 610 86 (7 issues need help) 25 Updated Mar 1, 2025
  • simulacrum-scalafix Public

    Simulacrum as Scalafix rules

    typelevel/simulacrum-scalafix’s past year of commit activity
    Scala 34 10 6 5 Updated Mar 1, 2025
  • literally Public

    Compile time validation of literal values built from strings

    typelevel/literally’s past year of commit activity
    Scala 111 Apache-2.0 6 1 1 Updated Mar 1, 2025
  • cats-mtl Public

    cats transformer type classes.

    typelevel/cats-mtl’s past year of commit activity
    Scala 309 63 12 (2 issues need help) 4 Updated Mar 1, 2025
  • scalac-options Public

    A library for configuring scalac options

    typelevel/scalac-options’s past year of commit activity
    Scala 41 Apache-2.0 12 7 8 Updated Mar 1, 2025
  • cats Public

    Lightweight, modular, and extensible library for functional programming.

    typelevel/cats’s past year of commit activity
    Scala 5,292 1,215 213 (7 issues need help) 37 Updated Mar 1, 2025
  • monoids Public

    Generic Monoids for Scala

    typelevel/monoids’s past year of commit activity
    Scala 52 MIT 13 1 1 Updated Mar 1, 2025
  • vault Public

    Type-safe, persistent storage for values of arbitrary types

    typelevel/vault’s past year of commit activity
    Scala 82 MIT 20 1 1 Updated Mar 1, 2025
  • keypool Public

    A Keyed Pool Implementation for Scala

    typelevel/keypool’s past year of commit activity
    Scala 36 MIT 15 7 5 Updated Mar 1, 2025