http://code.google.com/p/phpvirtualbox/
An open source, AJAX implementation of the VirtualBox user interface written in PHP. As a modern web interface, it allows you to access and control remote VirtualBox instances. Much of its verbage and some of its code is based on the (inactive) vboxweb project.
Features
* Start / Stop VMs
o Pause
o Save State
o Discard State
o Power Off
o ACPI Sleep
o ACPI Shutdown
* Snapshots
o Take Snapshot
o Delete Snapshot
o Restore Snapshot
* View VM Log files
* Configure VMs
o Excludes serial port configuration
o Excludes some display options that do not affect a headless environment
* Media
o Add media
o Full featured virtual media manager
o Create hard disk wizard
o Mount read-only media (DVD/CD and Floppy images) while VM is running
o Clone disk image
o Make disk image Immutable (read-only)
* Create virtual machine wizard
* Global networking configuration
o Add / remove / configure host-only interfaces
o Configure DHCP settings for host-only interfaces
* Import / Export Virtual Machines
* Virtual Machine Console access
o Allows specification of username / password and screen resolution
o Can be "detached" to open the VM's console in a minimal, new browser window
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