StickerRide - Let your car earn money through advertising
Invision - Prototyping and collaboration for design teams
InVision Studio - The world’s most powerful screen design tool
Proto.io - Create fully-interactive high-fidelity prototypes in minutes that look and work exactly like your app should. Sign up for a free 15-day trial and get started.
Wrapify - Connecting drivers + brands to create on-vehicle advertising
Balsamiq - Balsamiq. Rapid, effective and fun wireframing software.