Repositories list

• Laika

  Public
  Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js

  Scala

  •

  Apache License 2.0

  •5454 forks•452452 stars•1111 issues•2020 pull requests•Updated Jun 19, 2026Jun 19, 2026

• typelevel.github.com

  Public
  typelevel.org website

  Scala

  •114114 forks•4141 stars•2424 issues•88 pull requests•Updated Jun 18, 2026Jun 18, 2026

• sbt-tpolecat

  Public
  scalac options for the enlightened

  scalasbtsbt-plugin+ 1

  scalasbtsbt-plugincompiler-options

  Scala

  •

  Apache License 2.0

  •5757 forks•408408 stars•1212 issues•33 pull requests•Updated Jun 17, 2026Jun 17, 2026

• grackle

  Public
  Grackle: Functional GraphQL for the Typelevel stack

  Scala

  •

  Apache License 2.0

  •3131 forks•187187 stars•2323 issues•33 pull requests•Updated Jun 17, 2026Jun 17, 2026

• jawn

  Public
  Jawn is for parsing jay-sawn (JSON)

  jsonscala

  jsonscala

  Scala

  •7272 forks•436436 stars•1212 issues•44 pull requests•Updated Jun 17, 2026Jun 17, 2026

• fs2-grpc

  Public
  gRPC implementation for FS2/cats-effect

  Scala

  •

  MIT License

  •6565 forks•283283 stars•88 issues•66 pull requests•Updated Jun 16, 2026Jun 16, 2026

• natchez

  Public
  functional tracing for cats

  catsscalatracing+ 4

  catsscalatracingopentracinghoneycombjaegercats-effect

  Scala

  •

  MIT License

  •7979 forks•340340 stars•1616 issues•1313 pull requests•Updated Jun 16, 2026Jun 16, 2026

• log4cats-natchez

  Public
  log4cats backend that provides a Logger[F] given a Trace[F] from Natchez

  loggingtracingnatchez+ 1

  loggingtracingnatchezlog4cats

  Scala

  •

  Apache License 2.0

  •22 forks•11 star•00 issues•88 pull requests•Updated Jun 16, 2026Jun 16, 2026

• fs2-kafka

  Public
  Functional Kafka Streams for Scala

  streamingscalafs2+ 1

  streamingscalafs2kafka-client

  Scala

  •

  Apache License 2.0

  •108108 forks•312312 stars•00 issues•33 pull requests•Updated Jun 16, 2026Jun 16, 2026

• vulcan

  Public
  Functional Avro for Scala

  scalaavro

  scalaavro

  Scala

  •

  Apache License 2.0

  •3636 forks•104104 stars•11 issue•33 pull requests•Updated Jun 16, 2026Jun 16, 2026

• skunk

  Public
  A data access library for Scala + Postgres.

  catspostgresscala+ 6

  catspostgresscaladatabasefunctional-programmingtypelevelfs2scodeccats-effect

  Scala

  •

  MIT License

  •174174 forks•1.7k1.7k stars•7979 issues•1919 pull requests•Updated Jun 16, 2026Jun 16, 2026

• natchez-http4s

  Public
  Glorious integration layer for Natchez and Http4s.

  Scala

  •

  MIT License

  •1818 forks•5050 stars•44 issues•88 pull requests•Updated Jun 16, 2026Jun 16, 2026

• frameless

  Public
  Expressive types for Spark.

  scalasparkfunctional-programming+ 2

  scalasparkfunctional-programmingtypelevelfp

  Scala

  •

  Apache License 2.0

  •135135 forks•898898 stars•3737 issues•1111 pull requests•Updated Jun 16, 2026Jun 16, 2026

• doobie

  Public
  Functional JDBC layer for Scala.

  scaladatabasefunctional-programming+ 3

  scaladatabasefunctional-programmingjdbctypelevelfp

  Scala

  •

  MIT License

  •377377 forks•2.2k2.2k stars•127127 issues•99 pull requests•Updated Jun 16, 2026Jun 16, 2026

• cats-time

  Public
  Cats Instances for Java Time

  Scala

  •

  MIT License

  •2020 forks•9494 stars•11 issue•33 pull requests•Updated Jun 16, 2026Jun 16, 2026

• literally

  Public
  Compile time validation of literal values built from strings

  Scala

  •

  Apache License 2.0

  •66 forks•112112 stars•11 issue•11 pull request•Updated Jun 16, 2026Jun 16, 2026

• scalacheck-xml

  Public
  Scalacheck instances for scala-xml

  Scala

  •11 fork•55 stars•00 issues•33 pull requests•Updated Jun 15, 2026Jun 15, 2026

• cats-collections

  Public
  Data structures for pure functional programming in Scala

  Scala

  •

  Other

  •108108 forks•563563 stars•1515 issues•1111 pull requests•Updated Jun 15, 2026Jun 15, 2026

• foundation

  Public
  governance for the Typelevel Foundation

  11 fork•00 stars•33 issues•00 pull requests•Updated Jun 15, 2026Jun 15, 2026

• jawn-fs2

  Public
  Integration between jawn and fs2

  Scala

  •

  Other

  •1818 forks•4040 stars•11 issue•22 pull requests•Updated Jun 15, 2026Jun 15, 2026

• case-insensitive

  Public
  A case-insensitive string for Scala

  catsscalastring+ 1

  catsscalastringcase-insensitive

  Scala

  •

  Apache License 2.0

  •1515 forks•3838 stars•55 issues•44 pull requests•Updated Jun 15, 2026Jun 15, 2026

• sbt-typelevel

  Public
  Let sbt work for you.

  scalasbttypelevel+ 1

  scalasbttypelevelsbt-plugin

  Scala

  •

  Apache License 2.0

  •5858 forks•184184 stars•6565 issues•2424 pull requests•Updated Jun 15, 2026Jun 15, 2026

• cats-testkit-scalatest

  Public
  Cats Testkit for Scalatest

  Scala

  •

  MIT License

  •88 forks•1919 stars•22 issues•3232 pull requests•Updated Jun 15, 2026Jun 15, 2026

• typelevel-nix

  Public
  Development tools for Typelevel projects

  scalanixscalajs+ 2

  scalanixscalajsflakesdevshell

  Nix

  •

  Apache License 2.0

  •1010 forks•127127 stars•44 issues•22 pull requests•Updated Jun 15, 2026Jun 15, 2026

• vault

  Public
  Type-safe, persistent storage for values of arbitrary types

  Scala

  •

  MIT License

  •2020 forks•8484 stars•11 issue•22 pull requests•Updated Jun 15, 2026Jun 15, 2026

• typelevel.g8

  Public
  A typelevel.g8 based on sbt-typelevel

  scalasbtgiter8

  scalasbtgiter8

  Scala

  •66 forks•1414 stars•88 issues•22 pull requests•Updated Jun 15, 2026Jun 15, 2026

• toolkit

  Public
  Quickstart your next app with the Typelevel Toolkit!

  catsscalatoolkit+ 1

  catsscalatoolkitscala-cli

  Scala

  •

  Apache License 2.0

  •99 forks•100100 stars•88 issues•55 pull requests•Updated Jun 15, 2026Jun 15, 2026

• shapeless-3

  Public
  Generic programming for Scala

  Scala

  •2525 forks•201201 stars•55 issues•11 pull request•Updated Jun 15, 2026Jun 15, 2026

• scalacheck-effect

  Public
  Effectful property testing built on ScalaCheck

  Scala

  •

  Apache License 2.0

  •2525 forks•8282 stars•66 issues•33 pull requests•Updated Jun 15, 2026Jun 15, 2026

• scalacheck

  Public
  Property-based testing for Scala

  scalascalacheckproperty-testing

  scalascalacheckproperty-testing

  Scala

  •

  BSD 3-Clause "New" or "Revised" License

  •396396 forks•2k2k stars•5454 issues•1212 pull requests•Updated Jun 15, 2026Jun 15, 2026