Tweakr.io - The fastest way to get visual feedback 📌
Basil Chat - Design feedback via chat
Cycles - Visual feedback and approvals for web development
Planogy - A feedback platform for all the creative work
Queue - Queue is a service that helps you promote brands and receive viral growth. The site helps you in a variety of ways, but especially by analyzing market data and giving the best business advice for growing your brand. Read more about Queue.
Feedback by Pixelic - Painless design feedback and version control.