StartupShirts.org - THE marketplace for startup swag
Looka - Make a logo you’ll love with Looka Logo Maker.
DevTees - Graphic t-shirts made for developers.
Logo Foundry - Logo Foundry is a professional Logo Design Suite App for Android and iOS that let's you create professional branding for your business in Minutes.
Techstarrr - T-shirts for tech superstars
Canva Logo Maker - Create your own custom logos without having to hire a designer with Canva's impressively easy to use logo maker. Completely free, completely online.