I have developed many utilities using vb 6.0 & vb.Net mentioned as below:
1-MS RMS Integration with Mobile Phone
2- GP Check Printing
3- SQL Intelligent
Trace-out all clients’ MS SQL Server activity (Insert, Update and Delete) with IP, Computer Name and Ports used during transactions, store in another Database, daily basis backup and zip backup file automatically, DBA can check any client activity in previous day same like SLQ profiler / Tracer.
4- MS RMS & MS GP2010 Vendor Integration Customization
5- MS RMS 2.0 & MS GP2010 Purchase Order Integration Customization.
6- DBA Assistant (MS SQL Server 2008 R2)