I'm sure pretty much everyone has the standard fare of AdBlock, NoScript, DownTHEMAll, FasterFox, TabMixPlus - things easily available off the top 10 list, but there are some neat and useful gems that don't get a lot of exposure. It'd be cool if used this thread to give these a bit of publicity.
Personally, I can't live without
Menu Editor. The default right-click menu for Firefox is quite cluttered and disorganized; not to mention most entries in it are useless {seriously, who uses Send Link?}. Also, regular menus like File, Edit, Tools etc. are also editable.
I've customized my tools and right click menu in Firefox - check it out:
Btw Roph - much thanks for the GreaseMonkey reference. I'm just reading about it now and it seems most useful.
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