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Typelevel

We do functional programming together!
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 622

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 2k 399

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 240

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.2k 566

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 334 58

Repositories

Showing 10 of 110 repositories
  • literally Public

    Compile time validation of literal values built from strings

    typelevel/literally’s past year of commit activity
    Scala 112 Apache-2.0 6 1 0 Updated Feb 5, 2026
  • monoids Public

    Generic Monoids for Scala

    typelevel/monoids’s past year of commit activity
    Scala 52 MIT 12 1 5 Updated Feb 5, 2026
  • cats-effect-testing Public

    Integration between cats-effect and test frameworks

    typelevel/cats-effect-testing’s past year of commit activity
    Scala 192 Apache-2.0 43 8 15 Updated Feb 5, 2026
  • cats-time Public

    Cats Instances for Java Time

    typelevel/cats-time’s past year of commit activity
    Scala 92 MIT 20 1 1 Updated Feb 5, 2026
  • jawn-fs2 Public

    Integration between jawn and fs2

    typelevel/jawn-fs2’s past year of commit activity
    Scala 38 17 1 5 Updated Feb 4, 2026
  • case-insensitive Public

    A case-insensitive string for Scala

    typelevel/case-insensitive’s past year of commit activity
    Scala 38 Apache-2.0 15 5 4 Updated Feb 4, 2026
  • keypool Public

    A Keyed Pool Implementation for Scala

    typelevel/keypool’s past year of commit activity
    Scala 39 MIT 16 8 7 Updated Feb 4, 2026
  • log4cats Public

    Logging Tools For Interaction with cats-effect

    typelevel/log4cats’s past year of commit activity
    Scala 417 Apache-2.0 79 13 13 Updated Feb 4, 2026
  • scalacheck-xml Public

    Scalacheck instances for scala-xml

    typelevel/scalacheck-xml’s past year of commit activity
    Scala 5 1 0 2 Updated Feb 4, 2026
  • vault Public

    Type-safe, persistent storage for values of arbitrary types

    typelevel/vault’s past year of commit activity
    Scala 82 MIT 20 1 0 Updated Feb 4, 2026
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Sponsors

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  • @andrew-selvia
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