Smart Explorer 

Smart Explorer is the fast, smart, and secure Internet browser. Smart Explorer kills pop-up ads, filters multimedia downloads, has a multi document interface, and integrates the top search engines, allowing for searches of multiple sites at once.
pop-up ad killer internet browsers stop popups internet explorer web browsers internet accelerator internet filter shareware browser web search

NoTrax 

NoTrax is the Anonymous Browser that leaves No Evidence of Internet activity on your Computer. No writing to Registry. History Files, Cache and Cookies are erased. Cache is encrypted using Blowfish. And so much more...
anonymous surfing cleaner anonymous browser evidence eliminator encryption clean erase cyberscrub web browser tabbed browser security safe web browser erase evidence windows washer