RELOAD EVERY — Adds an option to auto reload any web page.
COPY PLAIN TEXT — Copies plain text – a great option for copying content without formatting.
WEB DEVELOPER — Adds a menu and toolbar with useful web developer tools.
BOOKMARK BACKUP — Excellent for backing up bookmarks and other Firefox settings.
PLAIN TEXT LINKS — Handles plain text URLs as links. Makes it simple to select a web address that is not linked and visit it.
FLST (FOCUS LAST SELECTED TAB) — When you close a tab, takes you to the last tab. Also has a tabslideshow function that cycles through all open tabs.
FLASHGOT — Download one link, selected links or all the links of a page at the maximum speed with a single click.