Stance - Awesome socks
Unsplash - Unsplash is a website with high-quality free HD images. It has a catalog of more than three hundred thousand striking images that are neatly organized with tags. Read more about Unsplash.
DivvyUpSocks - Buy a pair. Give a pair.
Powerpuff Yourself - Create a custom Powerpuff Girl character that looks like you
Sockscribe - Awesome monthly sock subscription.
Two Three Bricks - Customised LEGO caricatures to be used any way you want.