OCO was an open source software development group at the University of Waterloo. After we built some software to help the co-op department run the continuous phase of job matching, we naturally made t-shirts.

We took the opportunity to poke fun at co-op department’s lethargic development processes:
OCO T-Shirt 1

A few folks were afraid of offending the administration, so they opted for version two, emphasizing the openness of our open source process:
OCO T-Shirt 2


The Waterloo Quiz Bowl (trivia) club gave these shirts to the winners of its third tournament:
WatBow T-Shirt