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.

Workona - A better way to work in the browser.

Annotate - Annotate (formerly know as Glui) is the simplest way to capture, annotate and share screenshots.

Tab Manager Plus for Chrome - The only tab manager you'll ever need

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

Toby - Better Than Bookmarks