Here you can see WinBuilder and WinPrice running, valuing their demo online. It's also possible the downloading of a WinBuilder or WinPrice release to execute them on your pc: so you can start seeing WinBuilder's or WinPrice's features.
Be care: if you mean to download and install WinBuilder in order to value it in a demo release, after setup downloading, you have to execute following steps too:

• Download additionals files (see below)
• Unzip the file in the same folder which you downloaded ths setup: a folder called "common" will be created
• Execute setup

If you bought commercial version for WinPrice or WinBuilder, skip the steps above.