Segura e facilmente habilite/desabilite o uso do Tor através da extensáo Torbutton. Atualmente é a única maneira segura de previnir o vazamento do seu endereço IP e de cookies, além de prevenir contra ataques mais gerais.

Sets proxy settings from environment variables.

Surfe sicher und anonym mit Tor-Proxy.NET. Tor-Proxy.NET ist ein CGI-Web-Proxy-Service, der über ein einfaches Webinterface deine Zugriffe über verschiedene Anonymitätsdienste weiterleiten kann.

Gegenwärtig existiert Untersützung für ...

In the Firefox Browser (and other Mozilla programs) you can per default configure only the setting for one internet connection. With the MM3-ProxySwitch you can manage different configurations and simply switch over between these.

Import proxy lists in different formats, available from
http://proxy-list.org/en/ or
...

Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.

FoxyProxy Basic is a simple on/off proxy switcher.

Toggle Proxy adds a status bar icon to toggle between two proxy settings which can be set in the preferences

Enable Proxy from single click

Access any page via configured web based proxies

A tool bar to manually set and configure your (http) proxies. No proxy lists supported yet...

Quick and easy proxy settings

A tool bar to manually set and configure your (http) proxies.

Go2 proxy is a very fast web proxy. Using it to browse the blocked sites.

Looks up the definition of words on a Web page.

A proxy tool works on a customizable sites list!

Firefox add-on to achieve anonymity in surfing, using web-based proxy