Skip to content
@typelevel

Typelevel

We do functional programming together!
README.md

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...

Pinned Loading

  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 565

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 335 58

Repositories

Showing 10 of 109 repositories
  • cats-collections Public

    Data structures for pure functional programming in Scala

    typelevel/cats-collections’s past year of commit activity
    Scala 562 104 14 (1 issue needs help) 6 Updated Dec 19, 2025
  • cats Public

    Lightweight, modular, and extensible library for functional programming.

    typelevel/cats’s past year of commit activity
    Scala 5,393 1,238 217 (7 issues need help) 43 Updated Dec 18, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 337 MIT 78 16 12 Updated Dec 18, 2025
  • cats-time Public

    Cats Instances for Java Time

    typelevel/cats-time’s past year of commit activity
    Scala 92 MIT 20 1 1 Updated Dec 18, 2025
  • cats-mtl Public

    cats transformer type classes.

    typelevel/cats-mtl’s past year of commit activity
    Scala 310 64 19 (2 issues need help) 4 Updated Dec 18, 2025
  • cats-effect-testing Public

    Integration between cats-effect and test frameworks

    typelevel/cats-effect-testing’s past year of commit activity
    Scala 191 Apache-2.0 43 8 14 Updated Dec 18, 2025
  • monoids Public

    Generic Monoids for Scala

    typelevel/monoids’s past year of commit activity
    Scala 52 MIT 12 1 4 Updated Dec 18, 2025
  • literally Public

    Compile time validation of literal values built from strings

    typelevel/literally’s past year of commit activity
    Scala 112 Apache-2.0 6 1 1 Updated Dec 18, 2025
  • jawn Public

    Jawn is for parsing jay-sawn (JSON)

    typelevel/jawn’s past year of commit activity
    Scala 435 73 12 2 Updated Dec 17, 2025
  • jawn-fs2 Public

    Integration between jawn and fs2

    typelevel/jawn-fs2’s past year of commit activity
    Scala 38 17 1 3 Updated Dec 17, 2025
View all repositories

Sponsors

  • @yoshinorin
  • @a-nigredo
  • @DavidGregory084
  • @lhns
  • @BalmungSan
  • @b-vennes
  • @lorandszakacs
  • @andrew-selvia
  • Private Sponsor

Most used topics

Loading…