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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 628

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 2k 397

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 239

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.2k 572

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 335 58

Repositories

Showing 10 of 111 repositories
  • typelevel-nix Public

    Development tools for Typelevel projects

    typelevel/typelevel-nix’s past year of commit activity
    Nix 127 Apache-2.0 10 3 2 Updated Mar 10, 2026
  • 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 448 Apache-2.0 54 11 18 Updated Mar 10, 2026
  • kind-projector Public

    Compiler plugin for making type lambdas (type projections) easier to write

    typelevel/kind-projector’s past year of commit activity
    Scala 926 MIT 75 10 (4 issues need help) 0 Updated Mar 10, 2026
  • gsoc-onboarding Public
    typelevel/gsoc-onboarding’s past year of commit activity
    Scala 1 36 0 6 Updated Mar 10, 2026
  • fs2-grpc Public

    gRPC implementation for FS2/cats-effect

    typelevel/fs2-grpc’s past year of commit activity
    Scala 281 MIT 64 8 4 Updated Mar 10, 2026
  • cats-time Public

    Cats Instances for Java Time

    typelevel/cats-time’s past year of commit activity
    Scala 93 MIT 20 1 1 Updated Mar 10, 2026
  • literally Public

    Compile time validation of literal values built from strings

    typelevel/literally’s past year of commit activity
    Scala 113 Apache-2.0 6 1 0 Updated Mar 10, 2026
  • typelevel.g8 Public

    A typelevel.g8 based on sbt-typelevel

    typelevel/typelevel.g8’s past year of commit activity
    Scala 15 6 8 0 Updated Mar 10, 2026
  • cats-effect-testing Public

    Integration between cats-effect and test frameworks

    typelevel/cats-effect-testing’s past year of commit activity
    Scala 194 Apache-2.0 43 8 5 Updated Mar 9, 2026
  • otel4s Public

    An OpenTelemetry library for Scala based on Cats-Effect

    typelevel/otel4s’s past year of commit activity
    Scala 205 Apache-2.0 47 11 (1 issue needs help) 5 Updated Mar 9, 2026
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Sponsors

  • @armanbilge
  • @vladimir-popov
  • @rtyley
  • @yoshinorin
  • @a-nigredo
  • @DavidGregory084
  • @lhns
  • @BalmungSan
  • @b-vennes
  • @lorandszakacs
  • @andrew-selvia
  • Private Sponsor

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