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@typelevel

typelevel.scala

Let the Scala compiler work for you.
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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.

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  2. fs2 fs2 Public

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  3. scalacheck scalacheck Public

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  4. spire spire Public

    Powerful new number types and numeric abstractions for Scala.

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  5. cats-effect cats-effect Public

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  6. discipline discipline Public

    Flexible law checking for Scala

    Scala 335 58

Repositories

Showing 10 of 109 repositories
  • otel4s Public

    An OpenTelemetry library for Scala based on Cats-Effect

    typelevel/otel4s’s past year of commit activity
    Scala 201 Apache-2.0 44 19 (2 issues need help) 8 Updated Nov 20, 2025
  • typelevel.g8 Public

    A typelevel.g8 based on sbt-typelevel

    typelevel/typelevel.g8’s past year of commit activity
    Scala 15 6 9 1 Updated Nov 19, 2025
  • doobie Public

    Functional JDBC layer for Scala.

    typelevel/doobie’s past year of commit activity
    Scala 2,204 MIT 372 126 4 Updated Nov 18, 2025
  • squants Public

    The Scala API for Quantities, Units of Measure and Dimensional Analysis

    typelevel/squants’s past year of commit activity
    Scala 930 Apache-2.0 123 43 20 Updated Nov 18, 2025
  • natchez Public

    functional tracing for cats

    typelevel/natchez’s past year of commit activity
    Scala 337 MIT 78 16 11 Updated Nov 18, 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 76 10 (4 issues need help) 0 Updated Nov 17, 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 5 2 Updated Nov 18, 2025
  • typelevel-nix Public

    Development tools for Typelevel projects

    typelevel/typelevel-nix’s past year of commit activity
    Nix 124 Apache-2.0 10 3 2 Updated Nov 17, 2025
  • grackle Public

    Grackle: Functional GraphQL for the Typelevel stack

    typelevel/grackle’s past year of commit activity
    Scala 183 Apache-2.0 30 23 (1 issue needs help) 3 Updated Nov 17, 2025
  • cats-collections Public

    Data structures for pure functional programming in Scala

    typelevel/cats-collections’s past year of commit activity
    Scala 562 104 14 (1 issue needs help) 7 Updated Nov 17, 2025
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