I have developed online change management tools from my research. Have a look at:

The Complaints Handling Maturity Model (CHAMM)
Best pronounced Charm, this model is designed to help organisations improve their complaints handling. A demonstration version is available at:
View a demonstration of the Complaints Handling Maturity Model here

The DIversity Maturity Model (DIMM)
DIMM was developed first for the English National Board and is designed to help organisations manage their diversity.
A demonstration version is available at:
View a demonstration of the DIversity Maturity Model here
The Offender Management Maturity Model (OM3)
This was developed for the Cumbrian Probation Board to help them manage their partnership working with faith and voluntary groups. It may be viewed at:
http://www.om3.org.uk