How well do you know dev tools?

Ruby? Simple and expressive. DigitalOcean? Great value. New Relic? Easy setup.

Can you identify which tool people use for the following reasons?

Dedicated hardware
Great support
Good pricing
Many upgrades

An open source software implementation of the Java Servlet and JavaServer Pages technologies
This is it!
Flexible authentication solution for Rails with Warden
This is it!
SoftLayer provides on-demand IT infrastructure, dedicated servers and cloud resources.
This is it!
A friendly fork of Node.js with an open governance model
This is it!