StickerPop API - Embed all the best stickers and GIFs into your apps.
StartupShirts.org - THE marketplace for startup swag
Acrylic Charms by Sticker Mule - Add some charm to your life.
StartupDrugz - T-shirts & posters celebrating the absurdity of startup life
GIPHY Stickers for Instagram Stories - Add fun GIF stickers to any photo or video in your story
DevTees - Graphic t-shirts made for developers.