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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 Public

    Lightweight, modular, and extensible library for functional programming.

    Scala 5.3k 1.2k

  2. fs2 Public

    Compositional, streaming I/O library for Scala

    Scala 2.4k 615

  3. scalacheck Public

    Property-based testing for Scala

    Scala 1.9k 406

  4. spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 244

  5. cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.1k 546

  6. discipline Public

    Flexible law checking for Scala

    Scala 331 56

Repositories

Showing 10 of 106 repositories
  • doobie Public

    Functional JDBC layer for Scala.

    Scala 2,187 MIT 368 122 7 Updated Apr 12, 2025
  • cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2,109 Apache-2.0 546 186 (8 issues need help) 39 Updated Apr 12, 2025
  • grackle Public

    Grackle: Functional GraphQL for the Typelevel stack

    Scala 180 Apache-2.0 28 22 (1 issue needs help) 1 Updated Apr 12, 2025
  • fs2 Public

    Compositional, streaming I/O library for Scala

    Scala 2,391 615 88 (7 issues need help) 27 Updated Apr 11, 2025
  • case-insensitive Public

    A case-insensitive string for Scala

    Scala 39 Apache-2.0 15 4 2 Updated Apr 11, 2025
  • jawn Public

    Jawn is for parsing jay-sawn (JSON)

    Scala 435 74 12 3 Updated Apr 11, 2025
  • jawn-fs2 Public

    Integration between jawn and fs2

    Scala 38 16 1 1 Updated Apr 11, 2025
  • typelevel-nix Public

    Development tools for Typelevel projects

    Nix 115 Apache-2.0 10 3 3 Updated Apr 11, 2025
  • scalacheck-xml Public

    Scalacheck instances for scala-xml

    Scala 4 1 0 1 Updated Apr 11, 2025
  • vault Public

    Type-safe, persistent storage for values of arbitrary types

    Scala 83 MIT 20 1 1 Updated Apr 11, 2025