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Typelevel

We do functional programming together!

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 5.4k 1.2k

  2. fs2 fs2 Public

    Compositional, streaming I/O library for Scala

    Scala 2.4k 622

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 2k 401

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 240

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.2k 564

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 335 58

Repositories

Showing 10 of 109 repositories
  • skunk Public

    A data access library for Scala + Postgres.

    typelevel/skunk’s past year of commit activity
    Scala 1,633 MIT 166 79 (2 issues need help) 12 Updated Dec 9, 2025
  • steward Public

    Runs Scala Steward for Typelevel projects

    typelevel/steward’s past year of commit activity
    6 12 1 2 Updated Dec 10, 2025
  • typelevel.github.com Public

    Web site of typelevel.scala

    typelevel/typelevel.github.com’s past year of commit activity
    HTML 40 105 28 4 Updated Dec 9, 2025
  • typelevel-nix Public

    Development tools for Typelevel projects

    typelevel/typelevel-nix’s past year of commit activity
    Nix 124 Apache-2.0 10 3 2 Updated Dec 9, 2025
  • sbt-typelevel Public

    Let sbt work for you.

    typelevel/sbt-typelevel’s past year of commit activity
    Scala 184 Apache-2.0 51 61 (15 issues need help) 15 Updated Dec 9, 2025
  • cats-effect-cps Public

    An incubator project for async/await syntax support for Cats Effect

    typelevel/cats-effect-cps’s past year of commit activity
    Scala 100 Apache-2.0 13 6 12 Updated Dec 9, 2025
  • fabric Public

    Object-Notation Abstraction for JSON, binary, HOCON, etc.

    typelevel/fabric’s past year of commit activity
    Scala 131 MIT 5 0 0 Updated Dec 9, 2025
  • doobie Public

    Functional JDBC layer for Scala.

    typelevel/doobie’s past year of commit activity
    Scala 2,205 MIT 374 126 6 Updated Dec 9, 2025
  • foundation Public

    governance for the Typelevel Foundation

    typelevel/foundation’s past year of commit activity
    0 1 0 1 Updated Dec 9, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 337 MIT 78 16 12 Updated Dec 9, 2025