Red Pen Red Pen lets you upload your design, share a short URL, and get live, annotated feedback super-fast. It remembers you — there's no logging in, no project management... Free Web No features added Add a feature 3 Like
Moqhub Upload your designs,mockups or wireframes by file or by URL snapshot, organize them and connect them to web prototypes. Share them with friends, colleagues and clients... Freemium Web No features added Add a feature 2 Like
Flatsies Flatsies is a tool for designers to share their concepts with clients in a simple and elegant way. Freemium Web No features added Add a feature 0 Like
Visualtip A service that allows designers and clients to annotate and collaborate on images in real time. Free Web Image Annotations Real time collaboration Annotate screenshots Add a feature 0 Like
