Pepper & Carrot
xkcd
Oglaf (NSFW)
Death and the Maiden (English) - Original (German)
Bouletcorp (English) - Original (French)
Kukuruyo (English/Spanish)
Girl Genius
Saturday Morning Breakfast Cereal
Questionable Content
Cyanide and Happiness
Dresden Codak
Nedroid
Romantically Apocalyptic...