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@typelevel

typelevel.scala

Let the Scala compiler work for you.
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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 613

  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 538

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 333 56

Repositories

Showing 10 of 106 repositories
  • cats Public

    Lightweight, modular, and extensible library for functional programming.

    typelevel/cats’s past year of commit activity
    Scala 5,295 1,214 211 (7 issues need help) 37 Updated Mar 8, 2025
  • simulacrum-scalafix Public

    Simulacrum as Scalafix rules

    typelevel/simulacrum-scalafix’s past year of commit activity
    Scala 34 10 6 5 Updated Mar 8, 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 8, 2025
  • munit-cats-effect Public

    Integration library for MUnit & cats-effect

    typelevel/munit-cats-effect’s past year of commit activity
    Scala 151 Apache-2.0 36 3 4 Updated Mar 8, 2025
  • mouse Public

    A small companion to cats

    typelevel/mouse’s past year of commit activity
    Scala 375 MIT 67 4 2 Updated Mar 8, 2025
  • monoids Public

    Generic Monoids for Scala

    typelevel/monoids’s past year of commit activity
    Scala 52 MIT 13 1 1 Updated Mar 8, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 331 MIT 78 14 8 Updated Mar 8, 2025
  • Laika Public

    Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js

    typelevel/Laika’s past year of commit activity
    Scala 430 Apache-2.0 49 8 7 Updated Mar 8, 2025
  • otel4s Public

    An OpenTelemetry library for Scala based on Cats-Effect

    typelevel/otel4s’s past year of commit activity
    Scala 182 Apache-2.0 40 15 (2 issues need help) 4 Updated Mar 8, 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 Mar 8, 2025
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