Assests Management system in .NET web based

I need Assests management system , inventory management system in asp.net open source I have locations i have supplier i have users, i have items  and i alocated the items to users to different location i can transfer the item or user from one location to anther is there any .net web based system avaialble to use , 

Or is there any CMS type system which can be used for this purposes.