asp.net help/ticket/support desk script

Looking for a asp.net support/help desk software - somthing like Kayako's SupportSuite ( [login to view URL] ) - with all common features like knowledge base, ticket management, customer managaement, staff login, etc etc looking for someone that already has ready made script in asp or asp.net. Final script should be in asp.net with vb.net and ms sql server. Please provide demo of any existing help desk script that you have Looking at completion within 20 days and all payments through gaf escrow