vEMan - [v]Mware [E]SX [Man]ager provides a GUI for managing ESX servers natively from within your Linux desktop without the need to use Windows vSphere® anymore!
Support vEMan development for v2.0 by gofundme!
http://www.gofundme.com/vEMan
Why I started vEMan? Because I hate it to start my Windows VM to manage ESX(i) servers ;o)
vEMan is (maybe) not needed if you use vCenter 5.x: http://kb.vmware.com/kb/2005377
--> vSphere >= v5 has a "web client"
BUT keep in mind that there are...
The ODS3 Virtual Machine Challenge are downloadable images that can be run as VMWare or VirtualBox instances. The Idea behind the challenge is to test and exercise web application penetration testing in a controlled environment. These images are great for cyber security students, penetration testers and hobbyist.
Care should be taken if installed on an Internet access host as the application are purposely vulnerable to attack and exploitation.