Diigo - Web Highlighter and Sticky Notes, Online Bookmarking and Annotation, Personal Learning Network. Review, Approve, and Manage Creative Content. Online Proofing Software Tools - ProofHQ. Vyew. Online Collaboration Software for Creative Teams. Redmark - the easiest way to mark up a design and track revisions. Cozimo — Collaborate, Review and Present Digital Content Online in Real-Time. Besser als jedes Meeting: Collaboration Tools für Reviewing.