What is the program where you can upload TSwin files to?
The TSWIN application should be enough for your business. There is no need to use something else, since TSWIN was created especially for these type of procedures. Access the FAQ page and read about the features and problems encountered with the usage of TSWIN.
FAQ page: http://www.tswintm.com/tswinfaq.htm
You also can download the application using the following URL: http://www.tswintm.com/d2loaden.htm