Skip to content
@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...

Pinned Loading

  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 621

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 2k 403

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 241

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.2k 560

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 335 58

Repositories

Showing 10 of 108 repositories
  • jdk-index Public

    A Jabba compatible index of JDK versions

    typelevel/jdk-index’s past year of commit activity
    Scala 18 Apache-2.0 6 2 9 Updated Oct 20, 2025
  • otel4s Public

    An OpenTelemetry library for Scala based on Cats-Effect

    typelevel/otel4s’s past year of commit activity
    Scala 198 Apache-2.0 43 19 (2 issues need help) 8 Updated Oct 20, 2025
  • discipline-specs2 Public

    Specs2 Integration for Discipline

    typelevel/discipline-specs2’s past year of commit activity
    Scala 9 MIT 11 0 1 Updated Oct 20, 2025
  • coop Public

    Cooperative multithreading as a pure monad transformer

    typelevel/coop’s past year of commit activity
    Scala 73 Apache-2.0 9 1 13 Updated Oct 20, 2025
  • cats-effect-testing Public

    Integration between cats-effect and test frameworks

    typelevel/cats-effect-testing’s past year of commit activity
    Scala 191 Apache-2.0 43 8 15 Updated Oct 20, 2025
  • typelevel-nix Public

    Development tools for Typelevel projects

    typelevel/typelevel-nix’s past year of commit activity
    Nix 123 Apache-2.0 10 3 3 Updated Oct 20, 2025
  • grackle Public

    Grackle: Functional GraphQL for the Typelevel stack

    typelevel/grackle’s past year of commit activity
    Scala 183 Apache-2.0 29 24 (1 issue needs help) 4 Updated Oct 19, 2025
  • mouse Public

    A small companion to cats

    typelevel/mouse’s past year of commit activity
    Scala 375 MIT 64 4 5 Updated Oct 19, 2025
  • cats Public

    Lightweight, modular, and extensible library for functional programming.

    typelevel/cats’s past year of commit activity
    Scala 5,371 1,232 213 (7 issues need help) 41 Updated Oct 19, 2025
  • fs2-grpc Public

    gRPC implementation for FS2/cats-effect

    typelevel/fs2-grpc’s past year of commit activity
    Scala 280 MIT 61 10 3 Updated Oct 19, 2025
View all repositories