Dans le futur, on retrouvera sans doute une partie du contenu de cette page également sur: http://inkscape.org/en/download/addons/

Alternative à Ghostery. Mieux?
Edit: Merci Arthur pour ta réponse.

Picozu Shooter is a Mozilla Firefox browser extension, which allows you to take a screenshot of a given browser page, or a specific region of it and save it to a file, clipboard or Picozu Image Editor.

Le top 100 des trackers par Ghostery.
Ghostery est une extension pour Firefox qui protège votre vie privée.

La première extension se nomme "Memchaser"
https://addons.mozilla.org/fr/firefox/addon/memchaser/

La seconde extension "Password Reuse Visualizer" permet de visualiser graphiquement l'ensemble de vos mots de passe et d'évaluer leur proximité les uns envers les autres.
https://addons.mozilla.org/en-US/firefox/addon/password-reuse-visualizer/

The pending Stop Online Piracy Act (SOPA) continues to inspire opponents to come up with creative solutions to circumvent it.

A new anti-SOPA add-on for Firefox, titled “DeSopa,” is such a counter measure.

https://torrentfreak.com/firefox-add-on-bypasses-sopa-dns-blocking-111220/

IPFuck is a firefox addon created to simulate the use of a proxy. With this addon installed and enabled, and if a lot of us use it, there will no longer be any mean to know who is using a real IP, who isn't and who was charged doing something he didn't... Basicaly : we all become anonymous !

Remplacer les bannières publicitaires par de l'art !
Un ingénieux addon pour Firefox.

LanguageTool is an Open Source proof­reading soft­ware for English, French, German, Polish, and more than 20 other languages

It works with LibreOffice, Firefox, Chrome, or stand-alone.

Greasemonkey is a Firefox extension that allows you to customize the way webpages look and function.

Hundreds of scripts are already available for free. And if you're the tinkerer sort, you can also write your own.

Sxipper is a free plug-in for Firefox that lets you log into any website with a single click. Sxipper saves you time by keeping track of all of your user IDs, passwords, and the personal data you share every day over the web. Sxipper logs you in securely