Snagit - Screen Capture Software for Windows and Mac
WebSnapperPro - WebSnapperPro (formerly known as Red Snapper) lets you capture web pages - exactly as they appear...
Paparazzi! - Paparazzi! is a small utility for Mac OS X that makes screenshots of webpages.
Pixa - Pixa helps you organize and manage both inspirational and work images. With Pixa you can tag, comment and easily export your work with a simple drag and drop. Availble for Mac OS X 10. 7. 3 or later.
FireShot - Capture web page screenshots in Firefox, Chrome, or IE, and then edit and save them.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.