Creative Market - Buy and sell handcrafted, mousemade design content like vector patterns, icons, photoshop brushes, fonts and more at Creative Market.
Swag.com - Only quality promotional products
SocialSizes - Sketch templates for sharing images & videos on social media
Picattoo - Turn Instagrams into temporary tattoos
Designify - Turn any photo into awesome, automatically
StartupShirts.org - THE marketplace for startup swag