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

Kivo

Annotate and share PowerPoints and PDFs online in seconds, without signing up.

Free Mac OS X Windows Linux

Skwibl.com

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...

Free Web

proofHQ

ProofHQ's 100% web-based proofing solution streamlines review and approval of time-critical design work. Getting work signed off has never been as easy!

Commercial Web

qTrace

qTrace is a sophisticated screen capture software that captures all actions and screens, allows editing, and can publish Software Document to MS Word, PDF or any defect...

Commercial Windows

ConceptShare

ConceptShare streamlines the review and approval phase of creative production. We integrate online proofing with workflow automation to reduce the time and effort of...

Commercial Web

Flatsies

Flatsies is a tool for designers to share their concepts with clients in a simple and elegant way.

Freemium Web

Notable

Notable lets you take any interface screenshot, sketch or wireframe and exchange notes on specific details with your team. You can quickly reply or suggest a better...

Commercial Web

RedMark

Redmark helps graphic designers work better and faster. Businesses can quickly find qualified designers. .

Free Web