Similar to Acid3

.et

Eventbrite

.fi

.fk

.fm

.fr

FREAK

FOAF

Fussballdaten.de

PlanetRomeo

.gf

.gg

.gh

.gi

.gl

.gn

Goodreads

Google Currents (social app)

Google+

Gopher (protocol)

.gp

.gs