Source code for Twitter's Recommendation Algorithm

Apache Spark - A unified analytics engine for large-scale data processing

💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated]

♞ lichess.org: the forever free, adless and open source chess server ♞

Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

The Community Maintained High Velocity Web Framework For Java and Scala.

CMAK is a tool for managing Apache Kafka clusters

A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility

A fault tolerant, protocol-agnostic RPC system

An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs

Apache OpenWhisk is an open source serverless cloud platform

Modern Load Testing as Code

Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"

Lightweight, modular, and extensible library for functional programming.

A machine learning package built for humans.

Principled Functional Programming in Scala

Scala.js, the Scala to JavaScript compiler

Your favorite language gets closer to bare metal.

ZIO — A type-safe, composable library for async and concurrent programming in Scala

In-memory dimensional time series database.

Generic programming for Scala

Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.

Functional JDBC layer for Scala.

Compile-time Language Integrated Queries for Scala

Scala language server with rich IDE features 🚀

Property-based testing for Scala

Asynchronous, Reactive Programming for Scala and Scala.js.

Refinement types for Scala

Facebook's React on Scala.JS