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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 536

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 331 56

Repositories

Showing 10 of 106 repositories
  • .github Public

    a ✨special ✨ repository for project defaults and organization readme

    typelevel/.github’s past year of commit activity
    2 3 1 0 Updated Feb 14, 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 13, 2025
  • log4cats Public

    Logging Tools For Interaction with cats-effect

    typelevel/log4cats’s past year of commit activity
    Scala 404 Apache-2.0 75 16 7 Updated Feb 13, 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 13, 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 13, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 330 MIT 78 14 7 Updated Feb 13, 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 13, 2025
  • sbt-typelevel Public

    Let sbt work for you.

    typelevel/sbt-typelevel’s past year of commit activity
    Scala 175 Apache-2.0 50 54 (15 issues need help) 9 Updated Feb 13, 2025
  • paiges Public

    an implementation of Wadler's a prettier printer

    typelevel/paiges’s past year of commit activity
    Scala 188 Apache-2.0 30 5 9 Updated Feb 13, 2025
  • cats-effect Public

    The pure asynchronous runtime for Scala

    typelevel/cats-effect’s past year of commit activity
    Scala 2,075 Apache-2.0 536 164 (8 issues need help) 30 Updated Feb 13, 2025