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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 2k 406

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 244

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.1k 553

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 331 56

Repositories

Showing 10 of 106 repositories
  • sbt-typelevel Public

    Let sbt work for you.

    typelevel/sbt-typelevel’s past year of commit activity
    Scala 176 Apache-2.0 50 59 (15 issues need help) 10 Updated May 17, 2025
  • toolkit Public

    Quickstart your next app with the Typelevel Toolkit!

    typelevel/toolkit’s past year of commit activity
    Scala 97 Apache-2.0 9 8 (1 issue needs help) 7 Updated May 17, 2025
  • otel4s Public

    An OpenTelemetry library for Scala based on Cats-Effect

    typelevel/otel4s’s past year of commit activity
    Scala 188 Apache-2.0 42 20 (4 issues need help) 9 Updated May 17, 2025
  • Laika Public

    Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js

    typelevel/Laika’s past year of commit activity
    Scala 437 Apache-2.0 51 7 5 Updated May 17, 2025
  • idna4s Public

    Cross-platform Scala implementation of Internationalized Domain Names in Applications

    typelevel/idna4s’s past year of commit activity
    Scala 7 MIT 4 7 25 Updated May 17, 2025
  • grackle Public

    Grackle: Functional GraphQL for the Typelevel stack

    typelevel/grackle’s past year of commit activity
    Scala 180 Apache-2.0 28 22 (1 issue needs help) 1 Updated May 17, 2025
  • scalacheck Public

    Property-based testing for Scala

    typelevel/scalacheck’s past year of commit activity
    Scala 1,950 BSD-3-Clause 406 56 (1 issue needs help) 12 Updated May 17, 2025
  • jawn Public

    Jawn is for parsing jay-sawn (JSON)

    typelevel/jawn’s past year of commit activity
    Scala 435 74 12 2 Updated May 17, 2025
  • typelevel-nix Public

    Development tools for Typelevel projects

    typelevel/typelevel-nix’s past year of commit activity
    Nix 116 Apache-2.0 10 3 2 Updated May 17, 2025
  • case-insensitive Public

    A case-insensitive string for Scala

    typelevel/case-insensitive’s past year of commit activity
    Scala 40 Apache-2.0 15 4 4 Updated May 16, 2025

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