OneMDL is a ruby on rails based application designed to collate information about IT assets. It is designed to be most useful to System Administrators and Service Desk personal.
One List to rule them all, One List to find them, One List to bring them all and in the aether bind them.
There is a very broken demo at http://onemdl.herokuapp.com/
OneMDL is registered on ohloh.net at https://www.ohloh.net/p/onemdl