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

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

Modern Load Testing as Code

Streaming MapReduce with Scalding and Storm

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

A module that provides OAuth, OAuth2 and OpenID authentication for Play Framework applications

A stats collector & reporter for Scala servers (deprecated)

Lightweight real-time big data streaming engine over Akka

Scala School 2

DDSL - Dynamic Distributed Service Locator

Play Framework 2.0 statsd plugin