Userscripts.org

Download YouTube videos with a single click of a button! Works on Google Chrome, Firefox, and Opera.

Removes ALL of the advertisements on Grooveshark and widens the usable area. Also Removes the new ad headers, and side panels!

Ika-core.org utilities for Ikariam.

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.

On Flickr, this script adds a field providing the HTML embed code for the large version of each image.

Upon page error (403, 404, 500, etc.), this describes the error, and can redirect you to a search for the page on a few major search engines.

Provides 100% valid and semantic (XHTML 1.0 Strict & Transitional) embed code for YouTube videos.

Makes links clickable even if Blizzard disabled that function in their forums. Works for US and European forums.

Hides sidebar in NEW Html version of Grooveshark

Quickly access all sizes for a Flickr photo. Copy the photo's HTML (or BB Code), download the image sizes, and more. The script has customisable settings and auto-updates itself.

Yet Another (the easiest) Way To Post Photo In Comments.

Replaces text on websites. Now supports wildcards in search queries. Won't replace text in certain tags like links and code blocks

Allows you to modify Links, Buttons and Images on any website.

Enable HTML even in Non HTML based Communities

Adds embed html to the flickr photo or video page (just above the tags) giving you instant access to the html you need to embed the medium size image on a blog or web page.

A very simple script removing the "use supported browser" warning in the plain html mode of Gmail.

adds buttons to insert HTML in to comments and escape html characters

Everything you've ever dreamed of for Warez-BB. Release 26.

Simply scrolls to the bottom of a page.

Fixes tag lengths, re-styles tags, decreases some padding, and reduces font and link sizes.

Automatically inserts HTML signatures into your Gmail messages based on which address you are sending from. (Replaced by Blank Canvas Gmail Signatures: http://blankcanvasweb.com/pages/id_9/n_gmail_signatures/)

Fixes html code in comments

Redirects the redirect pages to the real url

Read and write using a monospaced font in Gmail's basic HTML view.

Enable HTML even in ORKUT forums

Replace the HTML code used to embed a Youtube video with valid HTML code. This version implement autocopy using a Flash script.

<b>Replace the wrong HTML code provided by Youtube to embed a video in you blog/site with a standard valid HTML code recognized by the W3C Validator.</b>

Handy on the fly px to em converter.

Display HTML messages inline in the Horde webmail application