1)   WebScript Encoder 1.13
Webscript Encoder not only facilitates quickly encoding your web pages but also protect your HTML code against being acquired when people are viewing the source.

 2)   SpiderArmor 1.0
If you own a web site with imporant information, this software is the only product available today (to the best of our knowledge) that can secure your data from spidering programs. This software is easy to use with Microsoft IIS server.