Дополнения

DownThemAll! от Nils Maier, Federico Parodi, другие

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

FireFTP от Mime Čuvalo

FireFTP is a free, secure, cross-platform FTP/SFTP client for Waterfox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Session Manager от Michael Kraft

Функциональный менеджер сессий. Сохраняет и восстанавливает состояние всех окон.

Menu Wizard от Oleksandr

Menu Wizard поможет вам настроить меню: удаление, перемещение и переименование
Раскрасьте важные меню для простоты использования!
Измените или отключите любые используемые браузером горячие клавиши
Поддерживаются: Firefox, SeaMonkey и Thunderbird

Download Status Bar от Szalgiris

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Mozilla Archive Format, with MHT and Faithful Save от Christopher Ottley, Paolo Amadini

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Thumbnail Zoom Plus от David Adler

Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.

Save Images от Lumox

Save Images saves the images from the current tab page, from the cache, to a specified location, with either the images original file name or a file name that you specify.

Dorando keyconfig от trlkly, Jonathan Kamens

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) work again!

United States English Spellchecker от jooliaan

This dictionary is no longer maintained. Use this dictionary instead.

Restart от Schuzak

"Restart" menu and button, with configurable shortcut key.

Google Docs Viewer (PDF, DOCX, PPTX, XLSX, etc...) от Adon

View publicly-accessible PDF, DOCX, PPTX, XLSX, among other files online with Google Docs by only 2 clicks. Click as usual for your default viewer. Support bookmarked URLs. Security and your explicit viewing intention are always honored.

Copy Plain Text 2 от Leszek Życzkowski

Копирует выделенный текст без форматирования.

eCleaner от flasresizerdeveloper

Clears preferences left by extensions after uninstallation

Примечание подборщика X

ConQuery от Vasa Maximov

Context searching for everyone and URL manipulation tool for advanced users...

Примечание подборщика incompatible?