Selenium provides support for the automation of web browsers. It provides extensions to emulate user interaction with browsers, a distribution server for scaling browser allocation, and the infrastructure for implementations of the W3C WebDriver specification.

Core libraries for Apache Spark, a unified analytics engine for large-scale data processing.

Spark Project Streaming

XWiki Platform - UI Tests Framework

Selenide = concise API for Selenium WebDriver

Vaadin TestBench

Serenity Core

Spark Project Hive Thrift Server

Vaadin TestBench shared classes not dependant on any concrete testing framework.

Fixtures to assist in testing via FitNesse

LittleProxy is a high performance HTTP proxy written in Java and using the Netty networking framework.