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typelevel.scala

Let the Scala compiler work for you.

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 610

  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 536

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 332 56

Repositories

Showing 10 of 106 repositories
  • shapeless-3 Public

    Generic programming for Scala

    typelevel/shapeless-3’s past year of commit activity
    Scala 195 24 6 1 Updated Mar 4, 2025
  • typelevel.g8 Public

    A typelevel.g8 based on sbt-typelevel

    typelevel/typelevel.g8’s past year of commit activity
    Scala 14 6 7 0 Updated Mar 4, 2025
  • cats-effect Public

    The pure asynchronous runtime for Scala

    typelevel/cats-effect’s past year of commit activity
    Scala 2,081 Apache-2.0 536 163 (8 issues need help) 26 Updated Mar 4, 2025
  • doobie Public

    Functional JDBC layer for Scala.

    typelevel/doobie’s past year of commit activity
    Scala 2,178 MIT 363 118 3 Updated Mar 4, 2025
  • kittens Public

    Automatic type class derivation for Cats

    typelevel/kittens’s past year of commit activity
    Scala 539 Apache-2.0 67 7 0 Updated Mar 4, 2025
  • toolkit Public

    Quickstart your next app with the Typelevel Toolkit!

    typelevel/toolkit’s past year of commit activity
    Scala 97 Apache-2.0 9 8 (1 issue needs help) 4 Updated Mar 4, 2025
  • natchez-http4s Public

    Glorious integration layer for Natchez and Http4s.

    typelevel/natchez-http4s’s past year of commit activity
    Scala 48 MIT 18 2 3 Updated Mar 4, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 330 MIT 78 14 8 Updated Mar 4, 2025
  • cats-tagless Public

    Library of utilities for tagless final encoded algebras

    typelevel/cats-tagless’s past year of commit activity
    Scala 319 Apache-2.0 41 11 (5 issues need help) 3 Updated Mar 4, 2025
  • fs2-grpc Public

    gRPC implementation for FS2/cats-effect

    typelevel/fs2-grpc’s past year of commit activity
    Scala 275 MIT 58 10 3 Updated Mar 4, 2025