OmniWeb
Used by 4 peopleen.wikipedia.org ↗

“Still, I'll always have a special place in my heart for OmniWeb.”
Dana Contreras Interview, Systems engineer (Twitter), pilot · via Uses This 
“Until several years ago, my main web browser was OmniWeb.”
Keita Takahashi Interview, Game designer (Katamari Damacy) · via Uses This 
“Browsing: Mostly OmniWeb (using their Sneaky Peak builds).”
Allan Odgaard Interview, Mac developer (TextMate) · via Uses This