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@typelevel

typelevel.scala

Let the Scala compiler work for you.
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 621

  3. scalacheck scalacheck Public

    Property-based testing for Scala

    Scala 2k 403

  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

    Scala 1.8k 241

  5. cats-effect cats-effect Public

    The pure asynchronous runtime for Scala

    Scala 2.2k 560

  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 335 58

Repositories

Showing 10 of 108 repositories
  • fs2-grpc Public

    gRPC implementation for FS2/cats-effect

    typelevel/fs2-grpc’s past year of commit activity
    Scala 280 MIT 62 10 5 Updated Oct 30, 2025
  • otel4s Public

    An OpenTelemetry library for Scala based on Cats-Effect

    typelevel/otel4s’s past year of commit activity
    Scala 200 Apache-2.0 43 19 (2 issues need help) 6 Updated Oct 30, 2025
  • skunk Public

    A data access library for Scala + Postgres.

    typelevel/skunk’s past year of commit activity
    Scala 1,628 MIT 165 78 (2 issues need help) 11 Updated Oct 29, 2025
  • keypool Public

    A Keyed Pool Implementation for Scala

    typelevel/keypool’s past year of commit activity
    Scala 39 MIT 15 8 6 Updated Oct 29, 2025
  • doobie Public

    Functional JDBC layer for Scala.

    typelevel/doobie’s past year of commit activity
    Scala 2,203 MIT 372 126 4 Updated Oct 29, 2025
  • frameless Public

    Expressive types for Spark.

    typelevel/frameless’s past year of commit activity
    Scala 890 Apache-2.0 138 37 (6 issues need help) 14 Updated Oct 29, 2025
  • mouse Public

    A small companion to cats

    typelevel/mouse’s past year of commit activity
    Scala 375 MIT 65 4 3 Updated Oct 29, 2025
  • case-insensitive Public

    A case-insensitive string for Scala

    typelevel/case-insensitive’s past year of commit activity
    Scala 39 Apache-2.0 15 4 4 Updated Oct 29, 2025
  • scalacheck-xml Public

    Scalacheck instances for scala-xml

    typelevel/scalacheck-xml’s past year of commit activity
    Scala 4 1 0 2 Updated Oct 29, 2025
  • kind-projector Public

    Compiler plugin for making type lambdas (type projections) easier to write

    typelevel/kind-projector’s past year of commit activity
    Scala 928 MIT 75 10 (4 issues need help) 0 Updated Oct 28, 2025
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