What are some alternatives?
When comparing Carbonmade and Fabrik, you can also consider the following products
Behance - The Creative Professional Platform.
Creative Portfolios - Creative portfolios made by designers & developers.
DeviantArt - deviantART was created to entertain, inspire, and empower the artist in all of us.
Bestfolios - Portfolio website and resume collection from best designers
500px - Connect, get inspired, and grow your skills.
Dribbble - Shots from popular and up and coming designers in the Dribbble community, your best resource to discover and connect with designers worldwide.