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@typelevel

typelevel.scala

Let the Scala compiler work for you.
README.md

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 5.4k 1.2k

  2. fs2 fs2 Public

    Compositional, streaming I/O library for Scala

    Scala 2.4k 618

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 2k 404

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 244

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.2k 556

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 335 58

Repositories

Showing 10 of 107 repositories
  • weaver-test Public

    A test framework that runs everything in parallel.

    typelevel/weaver-test’s past year of commit activity
    Scala 68 10 28 6 Updated Sep 2, 2025
  • fs2 Public

    Compositional, streaming I/O library for Scala

    typelevel/fs2’s past year of commit activity
    Scala 2,416 618 92 (7 issues need help) 30 Updated Sep 2, 2025
  • doobie Public

    Functional JDBC layer for Scala.

    typelevel/doobie’s past year of commit activity
    Scala 2,198 MIT 370 124 5 Updated Sep 2, 2025
  • toolkit Public

    Quickstart your next app with the Typelevel Toolkit!

    typelevel/toolkit’s past year of commit activity
    Scala 98 Apache-2.0 9 8 (1 issue needs help) 10 Updated Sep 1, 2025
  • catscript Public
    typelevel/catscript’s past year of commit activity
    Scala 2 Apache-2.0 1 2 13 Updated Sep 1, 2025
  • catapult Public
    typelevel/catapult’s past year of commit activity
    Scala 16 Apache-2.0 6 5 (2 issues need help) 4 Updated Sep 1, 2025
  • cats-effect Public

    The pure asynchronous runtime for Scala

    typelevel/cats-effect’s past year of commit activity
    Scala 2,157 Apache-2.0 556 189 (6 issues need help) 32 Updated Sep 1, 2025
  • jawn-fs2 Public

    Integration between jawn and fs2

    typelevel/jawn-fs2’s past year of commit activity
    Scala 38 17 1 1 Updated Sep 1, 2025
  • log4cats Public

    Logging Tools For Interaction with cats-effect

    typelevel/log4cats’s past year of commit activity
    Scala 412 Apache-2.0 80 13 11 Updated Sep 1, 2025
  • keypool Public

    A Keyed Pool Implementation for Scala

    typelevel/keypool’s past year of commit activity
    Scala 38 MIT 15 7 5 Updated Sep 1, 2025
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