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)   HTMLProtector 3.0
Tool to protect content of web page and prevent others from viewing source code. It will also stop spam robots from extracting email addresses from pages and prevent users from using automated downloaders to download entire web site to hard drive.