Automate everything, relax anytime. (R)?ex integrates seamlessly into your running environment, is easy to use and extend. easy to learn (it's just plain Perl), and Apache 2.0 licensed.

View (R)?ex On The DevOps Diagram »

Also check out:

The Ultimate DevOps Tool Chest
The DevOps Diagram Generator
DevOps Hot or Not
The Periodic Table of DevOps Tools