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Typelevel

We do functional programming together!
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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 630

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 2k 398

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 239

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.2k 573

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 336 59

Repositories

Showing 10 of 111 repositories
  • jawn-fs2 Public

    Integration between jawn and fs2

    typelevel/jawn-fs2’s past year of commit activity
    Scala 39 18 1 0 Updated Mar 25, 2026
  • case-insensitive Public

    A case-insensitive string for Scala

    typelevel/case-insensitive’s past year of commit activity
    Scala 38 Apache-2.0 15 5 2 Updated Mar 25, 2026
  • shapeless-3 Public

    Generic programming for Scala

    typelevel/shapeless-3’s past year of commit activity
    Scala 200 25 5 1 Updated Mar 25, 2026
  • cats-time Public

    Cats Instances for Java Time

    typelevel/cats-time’s past year of commit activity
    Scala 94 MIT 20 1 1 Updated Mar 25, 2026
  • cats-effect-testing Public

    Integration between cats-effect and test frameworks

    typelevel/cats-effect-testing’s past year of commit activity
    Scala 194 Apache-2.0 43 8 6 Updated Mar 25, 2026
  • monoids Public

    Generic Monoids for Scala

    typelevel/monoids’s past year of commit activity
    Scala 52 MIT 13 1 5 Updated Mar 25, 2026
  • literally Public

    Compile time validation of literal values built from strings

    typelevel/literally’s past year of commit activity
    Scala 113 Apache-2.0 6 1 0 Updated Mar 25, 2026
  • fs2-grpc Public

    gRPC implementation for FS2/cats-effect

    typelevel/fs2-grpc’s past year of commit activity
    Scala 281 MIT 65 8 5 Updated Mar 25, 2026
  • cats-collections Public

    Data structures for pure functional programming in Scala

    typelevel/cats-collections’s past year of commit activity
    Scala 564 107 14 (1 issue needs help) 9 Updated Mar 25, 2026
  • jawn Public

    Jawn is for parsing jay-sawn (JSON)

    typelevel/jawn’s past year of commit activity
    Scala 434 73 12 2 Updated Mar 25, 2026
View all repositories

Sponsors

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

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