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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 608

  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 534

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 330 56

Repositories

Showing 10 of 106 repositories
  • cats-parse Public

    A parsing library for the cats ecosystem

    typelevel/cats-parse’s past year of commit activity
    Scala 238 MIT 54 18 11 Updated Jan 24, 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 24, 2025
  • typelevel.g8 Public

    A typelevel.g8 based on sbt-typelevel

    typelevel/typelevel.g8’s past year of commit activity
    Scala 14 6 7 0 Updated Jan 23, 2025
  • toolkit Public

    Quickstart your next app with the Typelevel Toolkit!

    typelevel/toolkit’s past year of commit activity
    Scala 95 Apache-2.0 9 8 (1 issue needs help) 4 Updated Jan 23, 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 23, 2025
  • kittens Public

    Automatic type class derivation for Cats

    typelevel/kittens’s past year of commit activity
    Scala 538 Apache-2.0 66 8 0 Updated Jan 23, 2025
  • weaver-test Public

    A test framework that runs everything in parallel.

    typelevel/weaver-test’s past year of commit activity
    Scala 49 8 26 18 Updated Jan 23, 2025
  • vault Public

    Type-safe, persistent storage for values of arbitrary types

    typelevel/vault’s past year of commit activity
    Scala 83 MIT 20 1 3 Updated Jan 23, 2025
  • typelevel-scalafix Public

    Scalafix rules for Typelevel projects

    typelevel/typelevel-scalafix’s past year of commit activity
    Scala 24 Apache-2.0 7 17 (1 issue needs help) 5 Updated Jan 23, 2025
  • twiddles Public

    Micro-library for building effectful protocols

    typelevel/twiddles’s past year of commit activity
    Scala 65 BSD-3-Clause 3 1 (1 issue needs help) 13 Updated Jan 23, 2025

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