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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 620

  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 245

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.1k 556

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 332 56

Repositories

Showing 10 of 106 repositories
  • typelevel-nix Public

    Development tools for Typelevel projects

    typelevel/typelevel-nix’s past year of commit activity
    Nix 117 Apache-2.0 10 3 3 Updated Jun 6, 2025
  • catscript Public
    typelevel/catscript’s past year of commit activity
    Scala 0 Apache-2.0 1 2 14 Updated Jun 5, 2025
  • catbird Public

    Birds and cats together

    typelevel/catbird’s past year of commit activity
    Scala 140 Apache-2.0 25 5 (1 issue needs help) 14 Updated Jun 5, 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 10 Updated Jun 5, 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 10 Updated Jun 5, 2025
  • ce3.g8 Public
    typelevel/ce3.g8’s past year of commit activity
    Scala 27 8 0 3 Updated Jun 5, 2025
  • fs2 Public

    Compositional, streaming I/O library for Scala

    typelevel/fs2’s past year of commit activity
    Scala 2,406 620 89 (7 issues need help) 31 Updated Jun 5, 2025
  • discipline-specs2 Public

    Specs2 Integration for Discipline

    typelevel/discipline-specs2’s past year of commit activity
    Scala 9 MIT 11 0 6 Updated Jun 5, 2025
  • doobie Public

    Functional JDBC layer for Scala.

    typelevel/doobie’s past year of commit activity
    Scala 2,194 MIT 369 123 9 Updated Jun 5, 2025
  • cats Public

    Lightweight, modular, and extensible library for functional programming.

    typelevel/cats’s past year of commit activity
    Scala 5,322 1,219 210 (7 issues need help) 37 Updated Jun 5, 2025