Caption This - Create a smart caption for your photo in a second!
productboard - Beautiful and powerful product management.
Quik by GoPro - Easiest way to create awesome videos
ProductPlan - Cloud-based product roadmap software solution
MotionDen - Free online animated video maker
ProdPad - ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.