Userscripts.org

Provides a button icon at the top left, within the webpage, click it to first save the form values, later click it again to fill in the form with the saved info. Also can record a mouse click on a page and have it replay any time you visit that...

Autofill and complete online web formularies with your custom data to avoid the tedious task of typing everything again and again.

Show password when mouseover on password field

Customize YouTube's Player Page

Gives every textarea an icon that you can drag to resize the textarea

Makes user-specifiable elements resizable by mouse and keyboard, either in or out of the page flow or "maximized" above it.

Change directon: ctrl+shift. Change language already typed: ctrl+space.

Adds search form on header

Rounds corners and adjusts appearance of textarea, select, button, and input fields. Resulting eye-candy is somewhat Safari-like. Applies globally, but you can exclude sites or apply it only to selected sites.

v0.5.0.4 - Adds a filter (search) tool to large select (dropdown) fields

Fills registration forms with appropriate random data. Press Ctrl+Shift+F when promted.

Several customizable options. Special support for Userscripts.org (new interface, fix for pre tags, and allows you to hide the install warning box and footer) Changes text fields, buttons, links, selects, and text areas.

Automatically logs into yahoo for you

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.

Makes autocomplete always on

Focus Input on a Search TextField

Makes textareas larger when you press Ctrl-Enter or Ctrl-Space. Shift-Ctrl-Enter and Shift-Ctrl-Enter to reduce the size.

Enables the password field for TreasuryDirect

Resizes HTML form fields, including textareas, select boxes, text fields, and iframes.

Adds a search box when hover on the search link on the header

Places small graphical overlays on text areas, use the mouse to move, resize, or toggle between maximized/reset. Mouse over the dots for tooltips.

Shows which fields are password fields with a different background

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

auto-focus on the "tags" input

Replaces Google search on MozillaZine Forums to forums search

Protect from closing or navigating away from a web page with changed textareas.

Uncheck a login form checkbox and focus on submit button

Show password when mouseover on password field and highlight it

For all input boxes in a form, put the title content as input's name

force all forms to use GET instead of POST