A Softer World Dueling Analogs Goats Three Panel Soul (Makers of the now discontinued MacHall) My Life In a Cube (seems to be dead) My Stupid Life Saturday Morning Breakfast Cereal The Adventure's of Dr McNinja Basic Instructions xkcd The Book of Biff Ctrl+Alt+Del Nuklear Power (8-bit theater) Penny Arcade Questionable Content VG Cats Amazing Super Powers Least I Could Do
Most of the links will probably be posted, or they're usually the first result if you google.