Skwibl.com is described as 'Skwibl is a web-based solution that helps designers and their clients, as well as design teams work on projects together using interactive collaboration on images and videos' and is an website in the Business & Commerce category. There are four alternatives to Skwibl.com, not only websites but also apps for. The best alternative is proofHQ. It's not free, so if you're looking for a free alternative, you could try Moqhub. Other great sites and apps similar to Skwibl.com are Framebench (Paid) and ConceptShare (Paid).
Upload your designs,mockups or wireframes and organize them in projects. Share them with friends, colleagues and clients to get point specific Feedback. Giving Design Feedback is easy possible without any registration by your customers. You can Upload Images and Multipage PDFs
A multimedia collaboration tool allowing creative teams to work together and give quality feedback in real time directly on the said assets which could be anything from high resolution images, to affecting changes on a specific frame in a full HD video, to high quality 3D...
ConceptShare streamlines the review and approval phase of creative production. We integrate online proofing with workflow automation to reduce the time and effort of approvals on text, image, audio, video files, web pages and HTML5 animation files.