Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Snagit - Screen Capture Software for Windows and Mac
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
LightShot - The fastest way to take a customizable screenshot.
WebCopy - Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.