The Scala 3 compiler, also known as Dotty.

A data access library for Scala + Postgres.

Scala library for boilerplate-free, type-safe data transformations

Principled code generation from OpenAPI specifications

Strong type constraints for Scala

https://disneystreaming.github.io/smithy4s/

A 'new look' for database access in Scala

Cross-platform compilation support for sbt.

A fast and modern parser combinator library for Scala

Generic programming for Scala

A bleeping fast scala build tool!

Simple, beautiful CLI output

Besom - a Pulumi SDK for Scala. Also, incidentally, a broom made of twigs tied round a stick. Brooms and besoms are used for protection, to ward off evil spirits, and cleansing of ritual spaces.

Compiler plugin for intuitive tagless final

Typed Postgresql integration for Scala. Hopes to avoid typos

The first Scala macros' standard library.

Macro-free helpers for defining newtypes in Scala, cross-compiled to Scala 3.

Micro-library for building effectful protocols

Tiny Scala library for targeted macro debugging by logging properly formatted expansions at compile time

Extensible records for Scala

Declarative bidirectional codecs for DynamoDb AttributeValue, SDK 2

http4s-stir offers Pekko HTTP-style (Akka HTTP-style) DSL directives for http4s using cats-effect's IO as an effect system

Experimental Scala 3 library that allows to automatically derive instances of the smithy4s abstractions from scala constructs.

AST explorer for Scalameta trees

Type-safe high-level ORM for Postgres

Typeclass instances for `parsley` to make it compatible with `cats`

BitTorrent protocol implementation

TASTy Migration Manager