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

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

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

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

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

Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees.

Modern Load Testing as Code

sbt, the interactive build tool

A Scala API for Cascading

A distributed, fault-tolerant graph database

Wonderful reusable code from Twitter

Abstract Algebra for Scala

[Archived] A flexible sharding framework for creating eventually-consistent distributed datastores

Streaming MapReduce with Scalding and Storm

sbt Native Packager

Twitter-Server defines a template from which services at Twitter are built

Distributed Prometheus time series database

Distributed Tracing, Metrics and Context Propagation for applications running on the JVM

A load generator, built for engineers

I/O and Microservice library for Scala

Project SnappyData - memory optimized analytics database, based on Apache Spark™ and Apache Geode™. Stream, Transact, Analyze, Predict in one cluster

A library for building reliable, scalable and distributed event-sourced applications in Scala

Slick Plugin for Play

A Thrift parser/generator

[DEPRECATED] Tensorflow wrapper for DataFrames on Apache Spark

Reversible conversions between types

Scala extensions for the Kryo serialization library

Rudder is a configuration and security automation platform. Manage your Cloud, hybrid or on-premises infrastructure in a simple, scalable and dynamic way.