Extensions by Name

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Session Sync No Restart

Save sessions as bookmarks and sync them through Firefox Sync.
Manage, edit, save, restore.
Session-Sync will automatically detect updates and display updated sessions across multiple machines.

Rated 5 out of 5 stars (16)
1,633 users

SessionBox - Multi login No Restart

Using websites with multiple accounts in the same time is made easy. Create an independent tab with a click of a button.

Not yet rated
77 users

SessionPage

Remember your opened tabs in last sessions and show in a single page when Firefox start up.

Rated 4 out of 5 stars (27)
24 users

Set As Bookmarks Toolbar Folder

Set any bookmarks folder as bookmarks toolbar folder.

Rated 3 out of 5 stars (13)
314 users

Set Icon

Set your own favicons in Firefox 3.1

Rated 5 out of 5 stars (11)
2 users

Set proxy server with one click! No Restart

Set proxy server with one click! Visit Cool-proxy.net, the best resource of proxy servers and set your browser with one click.

Rated 5 out of 5 stars (1)
4,269 users

Set UA to 9 No Restart

This addon overrides your useragent string to be one that uses a single-digit version number (version 9.0.1) to help test bad sites. Disabling or removing the addon resets the UA string to normal.

Rated 5 out of 5 stars (1)
55 users

setenv No Restart

Automatically set environment variables based on preferences.

Not yet rated
3 users

Setlinks Plugin No Restart

Плагин расширяет возможности биржи www.setlinks.ru.
Позволяет проверять индексацию ссылок и страниц в Яндекс и Google, а так же контролировать содержание страниц доноров.

Not yet rated
28 users

setproxy No Restart

This can be used to set or reset any proxy server address with default port 443 for your browser.

Not yet rated
3 users

SetReferer

Control what gets sent as the HTTP Referer on a per-site basis.

Rated 5 out of 5 stars (2)
21 users

SettingSanity

Re-adds the options to disable Images, JavaScript, and the Tab Bar in about:preferences and the Options window.

Rated 5 out of 5 stars (48)
6,371 users

SetupVPN Lifetime Free VPN No Restart

Unblock any blocked website in your country, school or company. SetupVPN changes your IP address and location with just single click! It's free and easy to use. Setup your VPN now.

Rated 4 out of 5 stars (37)
11,470 users

Sevenyoln Send

Quick Access to Sevenyoln Send: Free Email, Calender, to do list and blog.

Not yet rated
1 user

Sexcontact Markt No Restart

Datingwebsite add-on Sexcontactmarkt.nl

Not yet rated
18 users

Seznam lištička

Seznam Lištička je vylepšení prohlížeče, které vám zpříjemní práci s internetem. Rychle vám přeloží slova, kterým nerozumíte a zjednoduší vám přístup do emailové schránky.

Rated 3 out of 5 stars (14)
61,183 users

Seznam Settings

Updated version of partner DEX for Firefox 3.0.x. Please note that this DEX is for mitigating error messages a user could receive on major update, and should not be used as-is.

Not yet rated
66 users

SF-Infos

SF-Infos est un plugin pour les joueurs de Shakes & Fidget, il fournis des informations afin d'aider le jouer (info sur les monstre dans les donjons, aide au choix de quête ...)

Rated 4 out of 5 stars (1)
64 users

SF0 Monitor

Monitor SF0 praxes for sf0.org

Not yet rated
1 user

SFacebook

Application that allows browsing Facebook and Youtube, even if your boss has closed the taps ;)

Rated 5 out of 5 stars (2)
16 users