Screen grab (https://addons.mozilla.org/firefox/1146/) – takes a screenshot of the webpage and saves it as an image file. This saves a ton of time compared to the method I used to use – take a screenshot and open Adobe Photoshop to crop the image.
pulls useful market research data right into Google's and Yahoo!'s search results, including Google PR, Age, links, Alexa rank, WHOIS, and more. It also adds a few helpful links to the top of the search pages, including Google Trends, Google Traffic Estimator, and the Overture View Bid tool.
A must for all webmasters and bloggers who want their pages rank high. Useful and informative tool to have, will enhance your understanding about how Google works. http://blogcharm.com/mymoneynote
FireFTP (https://addons.mozilla.org/firefox/684/) – free, secure, cross-platform FTP client that provides easy and intuitive access to FTP servers. This eliminates a piece of software for those of you who use a separate program for FTP.