New
#1
Norton Safe Web Lite
(Recently became final.)
For Internet Explorer and Mozilla Firefox only.
Norton Safe Web, from Symantec - Safe Websites | Norton Safe Web Lite
"Norton Safe Web Lite provides a safer search experience by warning you of dangerous Web sites right in your search results, so you can search, browse, and shop online without worry."
It adds one start-up item:
It comes in the form of a non-customisable toolbar:
Norton Safe Search (not seen above) is powered by Ask.com: