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

PredictionIO, a machine learning server for developers and ML engineers.

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

CMAK is a tool for managing Apache Kafka clusters

Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala

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

A fault tolerant, protocol-agnostic RPC system

Hybrid visual and textual functional programming.

Apache OpenWhisk is an open source serverless cloud platform

Modern Load Testing as Code

The Scala 3 compiler, also known as Dotty.

Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x.

sbt, the interactive build tool

Principled Functional Programming in Scala

Scala.js, the Scala to JavaScript compiler

Your favorite language gets closer to bare metal.

Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules

Deploy and manage containers (including Docker) on top of Apache Mesos at scale.

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

Find potential bugs in your services with Diffy

State of the Art Natural Language Processing

Breeze is a numerical processing library for Scala.

Generic programming for Scala

Rocket Chip Generator

REST job server for Apache Spark