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

WebSnapperPro - WebSnapperPro (formerly known as Red Snapper) lets you capture web pages - exactly as they appear...

ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...

Save Page WE - Download Save Page WE for Firefox. Save a complete web page (as curently displayed) as a single HTML file that can be opened in any browser. Choose which items to save. Define the format of the saved filename. Enter user comments.

LightShot - The fastest way to take a customizable screenshot.

Paparazzi! - Paparazzi! is a small utility for Mac OS X that makes screenshots of webpages.