-An extension for firefox, display useful inforamtion on the statusbar
Many people find that Firefox sometimes eat too many memory. With StatusbarEx, you can take a eye always on the memory status, so when you find it uses too many, you can restart it.
You can also get the network speed immediately, it is very useful when you are downloading something in the background, so you don't need to activate the download tools to find out the download speed, just look at the status bar.
The running effect is as the picture below (click to enlarge):