I was wondering the same. I definitely recognize the name but not from a Firefox fork, which this seems to be? Before it was a lightweight webkit browser. The original website[1][2] also doesn't work anymore and the wikipedia entry [3] still assumes it's a webkit browser.
> programming language = originally in [[C (programming language)|C]] & GTK2, rewritten completely in [[Vala (programming language)|Vala]] & GTK3<ref>{{cite web