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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...

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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 399

  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 566

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 334 58

Repositories

Showing 10 of 110 repositories
  • weaver-test Public

    A test framework that runs everything in parallel.

    typelevel/weaver-test’s past year of commit activity
    Scala 78 13 26 12 Updated Feb 4, 2026
  • cats-collections Public

    Data structures for pure functional programming in Scala

    typelevel/cats-collections’s past year of commit activity
    Scala 563 102 14 (1 issue needs help) 3 Updated Feb 4, 2026
  • typelevel.g8 Public

    A typelevel.g8 based on sbt-typelevel

    typelevel/typelevel.g8’s past year of commit activity
    Scala 15 6 8 0 Updated Feb 4, 2026
  • scalacheck-effect Public

    Effectful property testing built on ScalaCheck

    typelevel/scalacheck-effect’s past year of commit activity
    Scala 83 Apache-2.0 26 6 2 Updated Feb 4, 2026
  • scalacheck Public

    Property-based testing for Scala

    typelevel/scalacheck’s past year of commit activity
    Scala 1,961 BSD-3-Clause 399 54 (1 issue needs help) 9 Updated Feb 4, 2026
  • scalac-options Public

    A library for configuring scalac options

    typelevel/scalac-options’s past year of commit activity
    Scala 46 Apache-2.0 15 6 4 Updated Feb 4, 2026
  • scalac-compat Public

    Lightweight tools for tackling Scalac version incompatibilities

    typelevel/scalac-compat’s past year of commit activity
    Scala 9 Apache-2.0 3 0 0 Updated Feb 4, 2026
  • discipline-scalatest Public

    ScalaTest binding for Discipline

    typelevel/discipline-scalatest’s past year of commit activity
    Scala 20 MIT 17 1 1 Updated Feb 4, 2026
  • discipline-munit Public

    MUnit binding for Typelevel Discipline

    typelevel/discipline-munit’s past year of commit activity
    Scala 25 15 1 1 Updated Feb 4, 2026
  • shapeless-3 Public

    Generic programming for Scala

    typelevel/shapeless-3’s past year of commit activity
    Scala 199 25 5 1 Updated Feb 4, 2026
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Sponsors

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  • @lhns
  • @BalmungSan
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  • @andrew-selvia
  • Private Sponsor