Userscripts.org

Finds RSS and/or Atom links on a page and inserts feed subscription links for use by aggregators.

Adds a download button to every video on YouTube. Multilingual, Auto-Update & Multiformat supported! (Flv + high-quality Flv & Mp4!)

Adds strikethrough button to Gmail rich text editor

This script adds a button to select multiple, thus all, friends in the "invite friends dialog" at Facebook. It is optimized for speed and performance.

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

Add a reply button to comments

Adds Google Image Direct Download Button for each search result image in Google Image Result Page

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.

Remove Facebook "like" buttons/iframes/widgets/shareboxes from other websites, along with google plus, linkedin, twitter, sharethis, etc. Supports dynamic sites (AJAX, etc.) as well. Works in Chrome, too! (inspired by rnaud's script #76037)

Adds "Poke All" and "Poke Selected" buttons above the pokes on the user's homepage. These buttons allows the user to mass poke everyone that has poked him/her.

Add to every link to an mp3 file on page a tiny inline player button.

Download audio content (in mp3 format) from youtube videos with the click of a button!

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.

Adds a "Download" button underneath any YouTube web player for extracting the audio and or video and saving it to a High Quality MP3 or MP4 file.

Blocks all Ambrosia advertisment

Copy & Paste selected base's coords to chat message

Tons of assorted developer functions ranging from button removal to element fade-ins to advanced xpath grabbers.

Auto-load more comments. Click "Auto Load Comments" and more comments autoloads. Click "Stop" to stop loading. Toggle comments by clicking the Toggle Comments button.

change the style of the delete button on your gmail account

Adds a styled button to the text fields on userscripts.org (ie. search field). Updated 05-11-2007 12:30 [v3.2.4 Beta]. THIS SCRIPT IS INACTIVE AND NO SUPPORT IS GIVEN UNTIL IT'S UPDATED!

Adds a button that redirects to KeepVid's YouTube download service for the video you are currently watching.

Makes the download link big and easy to click

Tries to emulate ClearVista (Windows Aero) buttons

Adds a download button to every video on XHamster

Gives buttons a smooth new appearance

Safely and efficiently hides the social buttons below the video player. Watch safely everything you want: say bye bye to accidental "likes" or +1s! It autoupdates to accomodate eventual XTube changes.

Adds a download button to every video on RedTube

Makes buttons look like mac buttons

Changes Demonoid's download button

Creates a download button for videos, removes most of the ads (not all of them, the creaters must be able to keep te server up and running to ;))