StartupShirts.org - THE marketplace for startup swag
Sticker List - Discover the best stickers daily and publish your own.
DevTees - Graphic t-shirts made for developers.
Acrylic Charms by Sticker Mule - Add some charm to your life.
StartupDrugz - T-shirts & posters celebrating the absurdity of startup life
StickerPop API - Embed all the best stickers and GIFs into your apps.