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?

Open source
Great community
Very powerful
Lot of great subprojects
Easy setup
Convention , configuration, done
Love the logic

The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications
This is it!
A free design prototyping toolkit for Quartz Composer
This is it!
We make DNS simple
This is it!
A New Document Database for Apps
This is it!