Digg FireFox Extension: Browse Digg within Your Browser
There are not really many good Digg tools to play with and the following one is a nice exception from the rules:
Digg FireFox Extension offers an array if options which make web browsing enjoyable.
Submit to Digg
The extension adds one more menus option to your browser (which more space-saving than a toolbar). When viewing the page you want to share on Digg, click it and instantly submit to Digg:
View current page Digg Stats
If the page is already on Digg, the same menus option will display how many votes and comments the submission currently has:
View Popular, Upcoming, Top, and Hot Stories
All stories also shows the digg and comment count and the lists update in real time! Clicking any story opens the story in a new tab:
Discover new content on the web
The tool also adds some SU-feel to Digg allowing you to click through random story on Digg when you are bored or stuck: