Gamerprint is a UK company providing subtle gaming-themed designs. The graphics are mostly in-world logo tees based on popular games.

Meat Bun is a gamer/geek brand with comparatively subtle references and neat parodies of famous shirts.

Errorwear is a small outfit dedicated to the reproduction of classic error messages, glitches, and hardware meltdowns on the familiar cotton t-shirt. A must-see for all tech geeks.

I don’t usually feature shirts for licensed properties, but Valve Software has gone above and beyond the call of duty with their merchandise.  Unlike most official video game tees, these designs are more than just a logo and official box art.  They feature unique artwork that — believe it or not — looks designed for [...]

DespairWear is the t-shirt line of Despair Inc., a company known for its particularly pessimistic brand of humor. If you’re looking for humor, slogan, or pop culture tees, this may be one of the best places to go.

Insanely Great Tees is a New York company which loves Apple. A lot. Most of their shirts are Apple-centric, but there are also a small selection of more general shirts for the techy crowd.