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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 5.3k 1.2k

  2. fs2 fs2 Public

    Compositional, streaming I/O library for Scala

    Scala 2.4k 619

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 2k 406

  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 2.1k 551

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 331 56

Repositories

Showing 10 of 106 repositories
  • grackle Public

    Grackle: Functional GraphQL for the Typelevel stack

    typelevel/grackle’s past year of commit activity
    Scala 180 Apache-2.0 28 22 (1 issue needs help) 1 Updated May 11, 2025
  • keypool Public

    A Keyed Pool Implementation for Scala

    typelevel/keypool’s past year of commit activity
    Scala 36 MIT 15 7 5 Updated May 11, 2025
  • log4cats Public

    Logging Tools For Interaction with cats-effect

    typelevel/log4cats’s past year of commit activity
    Scala 407 Apache-2.0 81 15 11 Updated May 11, 2025
  • mouse Public

    A small companion to cats

    typelevel/mouse’s past year of commit activity
    Scala 375 MIT 67 4 2 Updated May 11, 2025
  • cats-collections Public

    Data structures for pure functional programming in Scala

    typelevel/cats-collections’s past year of commit activity
    Scala 561 99 14 (1 issue needs help) 1 Updated May 10, 2025
  • munit-cats-effect Public

    Integration library for MUnit & cats-effect

    typelevel/munit-cats-effect’s past year of commit activity
    Scala 152 Apache-2.0 37 4 3 Updated May 10, 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 1 Updated May 10, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 331 MIT 78 14 4 Updated May 10, 2025
  • otel4s Public

    An OpenTelemetry library for Scala based on Cats-Effect

    typelevel/otel4s’s past year of commit activity
    Scala 188 Apache-2.0 41 20 (4 issues need help) 5 Updated May 10, 2025
  • log4cats-natchez Public

    log4cats backend that provides a Logger[F] given a Trace[F] from Natchez

    typelevel/log4cats-natchez’s past year of commit activity
    Scala 1 Apache-2.0 2 0 3 Updated May 10, 2025
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