Feedback
Concept Feedback provides a simple tool to get quality feedback on marketing concepts.
Notable helps your team collaborate through visual feedback on website screenshots.
ConceptShare is a tool for gathering feedback. Share media and invite others to add and reply to comments, approve artwork, and markup on visuals.
UserVoice adds structure to user feedback by offering an easy to use website widget. You can also start a conversation with your community.
DoingText is a web based text collaboration tool. It lets you write, comment, share and review any texts. No login required.