https://mozilla.github.io/extension-finder/

https://addons.mozilla.org/fr/firefox/search/?tag=firefox57

Clean Uninstall

Cool Preview 2 (non vérifié)

* Context DuckDuckGo

Dictionary Switcher

Distill Web Monitor

DownThemAll > Download Star

DuckDuckGo Plus  > Duckduckgo Privacy Esentials

Extensions Options Menu

Fireshot > Full Web Page Screenshots ou Nimbus

* Flash and video download

Gestionnaire de sessions (Session Manager) > MySessions ou Session Sync

Google Optout > IBA Opt-out (by Google)

* Google Shortcuts

* Google Translator

Grammalecte (non vérifié)

* Greasemonkey > v4.0

* h264ify

* HTTPS Everywhere (HTTPS Partout)

IETab 2 (incompatible avec FF56)

* Imagus

* Lilo > v3.0

MinimizeToTray Revived

NewsFox > Feedbro

* Noscript > NoScript Security Suite v10

OpenDownload2

[Priv8] > Firefox Multi-Account Containers

Profile Switcher

QuickNote

Scrapbook > ScrapbookQ ou Web Scrapbook

Scrapbook CHM Creator

Stop Phishing

Tabs on bottom > userChrome.css

[Tab Mix Plus] > Tab Center Redux

Text to voice > Text to speech

The Addons bar

Toolbar buttons

* uBlock origin

* Update scanner v4 ou Web Pages Scanner

* Video Download Helper >  v7.0

* WOT

* Zotero Connector

Désactivées :

* Cookie manager

* Decodex

* Decodex Insoumis

* Language Tool

* lilo

* Qwant

unMHT > Save Page WE ?

* YouTube Download