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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 400

  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 334 58

Repositories

Showing 10 of 110 repositories
  • doobie Public

    Functional JDBC layer for Scala.

    typelevel/doobie’s past year of commit activity
    Scala 2,211 MIT 376 125 4 Updated Feb 2, 2026
  • sbt-tpolecat Public

    scalac options for the enlightened

    typelevel/sbt-tpolecat’s past year of commit activity
    Scala 407 Apache-2.0 55 12 (2 issues need help) 12 Updated Feb 2, 2026
  • scalac-options Public

    A library for configuring scalac options

    typelevel/scalac-options’s past year of commit activity
    Scala 45 Apache-2.0 15 6 4 Updated Feb 2, 2026
  • fs2-grpc Public

    gRPC implementation for FS2/cats-effect

    typelevel/fs2-grpc’s past year of commit activity
    Scala 280 MIT 64 8 4 Updated Feb 2, 2026
  • typelevel-nix Public

    Development tools for Typelevel projects

    typelevel/typelevel-nix’s past year of commit activity
    Nix 126 Apache-2.0 10 3 4 Updated Feb 2, 2026
  • frameless Public

    Expressive types for Spark.

    typelevel/frameless’s past year of commit activity
    Scala 895 Apache-2.0 137 37 (6 issues need help) 13 Updated Feb 1, 2026
  • typelevel.github.com Public

    Web site of typelevel.scala

    typelevel/typelevel.github.com’s past year of commit activity
    HTML 40 105 29 4 Updated Feb 1, 2026
  • feral Public

    Feral cats are homeless, feral functions are serverless

    typelevel/feral’s past year of commit activity
    Scala 195 Apache-2.0 49 30 (4 issues need help) 20 Updated Feb 1, 2026
  • mouse Public

    A small companion to cats

    typelevel/mouse’s past year of commit activity
    Scala 376 MIT 66 4 3 Updated Feb 1, 2026
  • log4cats Public

    Logging Tools For Interaction with cats-effect

    typelevel/log4cats’s past year of commit activity
    Scala 417 Apache-2.0 79 13 13 Updated Feb 1, 2026
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Sponsors

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