Monosnap - Monosnap is a comprehensive screenshot taking software system that provides users with a fast and accessible way to take screenshots whenever they want. Read more about Monosnap.

Blink - Blink is a team and employee app, with a Feed, Chat and Hub (for documents, links, files).

LabelMe Annotation Tool - LabelMe is an annotation tool writen in Javascript and Perl for online image labeling.

ScreenTray - A better way to capture, annotate and share screenshots

Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.

Projector - Creative, collaborative tools for visual communication.