Userscripts.org

Shows passwords on mouse hover or focus

Fixes things like double spaces and newlines (even though you can't see newlines, it messes up fields when you try to login)

Turns password fields into text and adds around them a green border

Removes fake password fields in order to enable the Firefox password manager to correctly remember and autofill passwords.

Switches password inputs to text while focused. also toggles readonly elements on double click

Automatically log into most sites saved in the Password Manager

Auto Login for Auto Complete script by samliew

Automatically enters your password into fields

Automatically enters form values and submits the form, typically for autologin functionality. No support (yet) for frames or non-text-input form elements. To add an autologin: fill out the log-in form, make sure one of the form fields is focused (...

Auto solve the security question on wordlinx

Automatically fills the username and passwords fields for faster login. Re-programmed to work really fast. Now with UserScript commands.

Enable remembering passwords in sites like del.ici.ous & yahoo where it is switched off by default.

Allows you to save your password on Boston University websites

Shows which fields are password fields with a different background

Removes autocomplete="off" attributes

Normalizes libero.it's login textboxes' behaviour and locks the mailserver mirror used (otherwise random) to let Firefox correctly remember username and password.

This script removes the stars in a password field so you can see what you are typing. By default it does this for all pages, but you can change which sites it works for via the greasemonkey configuration dialogue.

Shows password fields as plain text when you pass the mouse over them.

Shows password fields as plain text so you can see what you're typing.

This script allows you to use your keyboard to input your security key, instead of the on screen virtual keyboard on the HSBC login screen.

Automatically logs in to facebook - if password is remembered by firefox

Automatically logins in to MySpace if Firefox remembers your password. Works with new MySpace changes unlike all the others.

Clicks the "Login" button automatically. (Firefox must be set to remember your login information.)

Uncheck a login form checkbox and focus on submit button

Reveals Hidden Fields in Forms, labels them with name, makes readonly-fields writebale, enables disabled fields, and outlines forms and prints where the datas are posted.

don't clear remembered passwords

Enables the password field for TreasuryDirect and AutoComplete so you don't have to remember your account or password.

Will change the type of any text field with maxlength >= 15 and <= 16 to password. This makes the field display only asterisks or dots. Note that this is meant to prevent people from reading over your shoulder (and determines how/if your browser...

Allows Firefox to remember your card number for you.

Generates site specific password, based on a single Master Password.