Userscripts.org

CSS/JavaScript Syntax Highlighter

Presents a semi-transparent layer at the bottom of web pages containing invisible (normally unrendered) anatomy information; namely 'meta', 'link', and 'script' tag contents (linkified wherever possible), together with doctype info, referrer info,...

This script will always enable YouTube Earth Hour 2012.

Skin para Orkut baseado em Blackut By Jacques Orkut Skin based in Blackut by Jacques.

If you don't like facebooks new rounded corners, this pure CSS-script could help you out. Removes rounded corners from contact thumbs, status update box, menu bar, tab and filter list. New in 1.5 for optional hidden ads uncomment 2nd to las...

Certain Facebook users have been experiencing some troubles with their Facebook accounts by having everything aligned to the left. This script realigns Facebook to the lovely spot on the center of your screen.

Adds a toolbar above posting area in forums (for topics and replies) in order to facilitate formatting with HTML in UserScripts.org forums equipped with preview feature embedded.

When active, outlines in red the current DOM element being hovered. The trail of ancestors is shown in a box at the top left.

Allows you to insert your own custom CSS into any site.

Let's you click on a colorless code listing and highlight its syntax, with a little bit of luck. Works with CSS, XHTML, JavaScript, MySQL, and PHP. Easy to customize and expand supported languages. Based on Chili, which is based on jQuery.

remove all CSS styles

Greasemonkey script for Firefox to change the appearance of GMail

Adds a fixed font size toggle button.

Show Node Tree and node information like selector and computed style.

Enable CSS hyphenation everywhere.

Greasemonkey script for Firefox to change the appearance of GMail

Diseño/Estilo alternativo para menéame.net

Yet another userscript to make Scroogle.org more user-friendly.

change style on aint-it-cool-news.com

add a css to html head and change the style of a bbs based on discuz or phpwind. 改变discuz和phpwind论坛的外观

Removes My Anime List's Reviews.

SchuelerVZ bzw. StudiVZ in Blau - I wrote this script to parse and extract all colour-codes and replace them. Also, this script is almost independent of stylesheets, so it should work even if they change the design.

Highlight alternate rows on reddit.com

Fixes the extra large (default) font size in phpMyAdmin

Provides a menu to select alternate stylesheets

Italics are meant for emphasis, not reading large blocks of text. The i tag distorts the font making it exceptionally ugly. Slashdot should italicize the smaller portions of the text. I also made other aesthetic changes for readability (high-contr...

Make everyone on 4chan appear as Anonymous - remove all names, tripcodes, and emails other than sage

Fix the low contrast hard to read styles and fonts of siliconinvestor.com

Change the color of Google top bar or hide it completely, with a simple and easy to use GUI (Graphic User Interface) for GreaseMonkey.

Show formatted/unformatted User Profile CSS code for Veoh User