SpiderArmor
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 made as plugin for IIS and can be used with any scripting language supported by Microsoft IIS server. SpiderArmor makes your pages visible to users but not available for spidering programs that will make your data safe from scrapping by others!