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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 607

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 1.9k 408

  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 535

  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 181 Apache-2.0 27 22 (1 issue needs help) 4 Updated Feb 5, 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 Feb 5, 2025
  • otel4s Public

    An OpenTelemetry library for Scala based on Cats-Effect

    typelevel/otel4s’s past year of commit activity
    Scala 181 Apache-2.0 40 15 (2 issues need help) 5 Updated Feb 4, 2025
  • doobie Public

    Functional JDBC layer for Scala.

    typelevel/doobie’s past year of commit activity
    Scala 2,179 MIT 361 119 5 Updated Feb 4, 2025
  • typelevel-nix Public

    Development tools for Typelevel projects

    typelevel/typelevel-nix’s past year of commit activity
    Nix 114 Apache-2.0 10 3 1 Updated Feb 3, 2025
  • natchez-http4s Public

    Glorious integration layer for Natchez and Http4s.

    typelevel/natchez-http4s’s past year of commit activity
    Scala 47 MIT 18 2 3 Updated Feb 3, 2025
  • cats-tagless Public

    Library of utilities for tagless final encoded algebras

    typelevel/cats-tagless’s past year of commit activity
    Scala 320 Apache-2.0 41 12 (6 issues need help) 4 Updated Feb 3, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 330 MIT 78 14 7 Updated Feb 3, 2025
  • twiddles Public

    Micro-library for building effectful protocols

    typelevel/twiddles’s past year of commit activity
    Scala 66 BSD-3-Clause 3 1 (1 issue needs help) 13 Updated Feb 3, 2025
  • sbt-typelevel Public

    Let sbt work for you.

    typelevel/sbt-typelevel’s past year of commit activity
    Scala 175 Apache-2.0 50 52 (15 issues need help) 8 Updated Feb 3, 2025