Skip to content
@typelevel

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...

Pinned Loading

  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 5 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 5 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
  • munit-cats-effect Public

    Integration library for MUnit & cats-effect

    typelevel/munit-cats-effect’s past year of commit activity
    Scala 154 Apache-2.0 38 5 2 Updated Feb 1, 2026
  • vault Public

    Type-safe, persistent storage for values of arbitrary types

    typelevel/vault’s past year of commit activity
    Scala 82 MIT 20 1 0 Updated Feb 1, 2026
  • grackle Public

    Grackle: Functional GraphQL for the Typelevel stack

    typelevel/grackle’s past year of commit activity
    Scala 184 Apache-2.0 31 23 (1 issue needs help) 2 Updated Jan 31, 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 5 Updated Jan 31, 2026
  • cats-effect Public

    The pure asynchronous runtime for Scala

    typelevel/cats-effect’s past year of commit activity
    Scala 2,215 Apache-2.0 565 197 (7 issues need help) 41 Updated Jan 31, 2026
View all repositories

Sponsors

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