TomatoApp - Visual feedback for your presentation. Engage the audience!
Loops Feedback - Feedback on design ideas in minutes via 110m+ people
TigerTalk - Seamlessly get feedback on your video presentations
Storydoc - Easily generate interactive decks and presentations that increase lead engagement and conversion
Red Pen - Red Pen lets you upload your design, share a short URL, and get live, annotated feedback super-fast.
Feedback by Pixelic - Painless design feedback and version control.