Дополнения

DownThemAll! от Nils Maier, Federico Parodi, другие

The first and only download manager/accelerator built inside Firefox!

Примечание подборщика Superb download manager. Allows downloads to resume after interruptions. Also speeds downloads.

Session Manager от Michael Kraft

Функциональный менеджер сессий. Сохраняет и восстанавливает состояние всех окон.

Примечание подборщика Save and restore sessions automatically.

Disable Add-on Compatibility Checks от Kris Maglione

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

AutoPager от Wind Li

AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.

Примечание подборщика Endless loading pages.

Email This! от ArtSabintsev/Lazyrussian

Email This! will send your recipient the link, title, & highlighted text of the page you are viewing using GMail, Google Apps GMail, Yahoo, and Stand-Alone Mail Clients like Outlook Express, Thunderbird, & More!