spark-jobserver/spark-jobserver   0.12.0

REST job server for Apache Spark

scalatra/scalatra   2.8.4

Tiny Scala high-performance, async web framework, inspired by Sinatra

http4s/http4s   0.23.34

A minimal, idiomatic Scala interface for HTTP

circe/circe   0.14.15

Yet another JSON library for Scala

twitter/util   7.0.0

Wonderful reusable code from Twitter

typelevel/fs2   3.13.0

Compositional, streaming I/O library for Scala

com-lihaoyi/mill   1.1.5

A better build tool for Java, Scala and Kotlin: Simpler than Maven, easier than Gradle, with 3-7x faster dev workflows than other JVM build tools

scalameta/metals   1.6.7

Scala language server with rich IDE features 🚀

salesforce/transmogrifai   0.7.0

TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning

typelevel/doobie   0.13.4

Functional JDBC layer for Scala.

typelevel/cats-effect   3.7.0

The pure asynchronous runtime for Scala

zio/zio-quill   3.2.0

Compile-time Language Integrated Queries for Scala

softwaremill/elasticmq   1.7.1

In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.

apache/flink   1.20.3

Apache Flink

pocorall/scaloid   4.2

Scaloid makes your Android code easy to understand and maintain.

twitter/finatra   21.2.0

Fast, testable, Scala services built on TwitterServer and Finagle

spotify/scio   0.9.6

A Scala API for Apache Beam and Google Cloud Dataflow.

typelevel/scalacheck   1.19.0

Property-based testing for Scala

sangria-graphql/sangria   4.2.17

Scala GraphQL implementation

monix/monix   0.4.1

Asynchronous, Reactive Programming for Scala and Scala.js.