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...
yalimon (Yet another linux monitoring tool) is a python script that runs as a cron job, gathers data from several commands, stores it in a database and then creates graphs out of it. A web interface is used to view the images and to manage the module
It is a Uruguayan Linux distribution. Can be used from floppy disks, cdroom or you can install it in your hard disk. It has been designed to be fast and effective without leaving of side the graphical aspect for the user.