Password Exporter is an extension for Mozilla Firefox and Thunderbird that allows you to export and import your saved passwords and disabled login hosts from Password Manager.

The logins will be exported to an XML (Extensible Markup Language) or CSV (Comma Separated Values) file and can then be imported into another application or computer that has Password Exporter installed.
Password Exporter (...)

SwitchProxy lets you manage and switch between multiple proxy configurations
quickly and easily. You can also use it as an anonymizer to protect your
computer from prying eyes. NOTE: In Firefox you can use the toolbar
element to save space
SwitchProxy Tool (...)

With this toolbar you can access TOR-Proxy.NET directly. Hide your IP and surf anonymously. This Addon creates a new toolbar, where you can enter the address you want to take a look at.
It is easy to stay anonymous!
Tor-Proxy.NET Toolbar (...)

This extension display your current external IP address in the browsers statusbar.
External IP is set to check your IP address at browser startup and after that once every hour or on click on the right-click context menu.
external IP (...)