Userscripts.org

Allows Toggling of Youtube Comments

Changes the background color of a page and also the color of text & links to make pages easier to read. Use F2 key to toggle the colors on and off.

Tweaks to Google+ (Google "Plus") - Toggle comments, image previews, mute button, favicon alerts, full width, fixed navigation, thumbnails only, etc.

Show/hide the header, footer and sidebar tabs on iGoogle to save space! Perfect for small screens or netbooks!

Adds reply and reply-to-author buttons to Google+ comments

Use this GreaseMonkey script to reclaim the hefty area that the GMail's searchbar and Logo area take up.

Add toggles for showing/hiding @replies and #hashtags on twitter.com and brizzly.com

Makes thumbnails cycle though the 3 previews. Additional feature to view all thumbnails on mouse hover, and move off to hide them.

Add multimedia keyboard support for Grooveshark (play/pause)

Enables inline image expansion for all images. Should play nicely with userscripts that modify the DOM after it has been loaded.

NOTE: THIS HAS BEEN DEPRECATED BY CHANGES TO THE CORE BIBLIA FRAMEWORK. Although it still works, biblia now does all of this natively. Thanks Biblia! Toggle Between viewing just the bible, just the resource pane, or the default dual pane vi...

Cleans up image and video galleries, leaves only thumbs. They can be individually toggled for download. - Complete application!

Change the color scheme of several video sites - YouTube, Snotr, Justin.tv, etc. - to optimize for watching videos. Can toggle on/off with a hotkey

Adds a button to Literature to toggle the viewing area width to fill the page.

Allows you to toggle the Google Search Sidebar

A simple script that uses a key press "S" to toggle the GMail searchbar. Inspired by this great script... http://userscripts.org/scripts/show/50486

Gives you the ability to clean the page of everything but the game

Automatically pauses the video when you switch to a different tab or window, and automatically plays when you come back to it

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

Modify Facebook: widen pages, remove ads/spam on homepage, move pokes and events to top of homepage. Options are set to toggle on/off.

Allows you to toggle between showing member items and not

Allows you to hide elements by double click

Provides a link on the page or userscript command to enable/disable this script easily

Fixed-font message bodies toggle for GMail (new UI/API version)

Lets you hide add-ons you don't want to see

Toggle sidebar on/off on mozwiki and devmo

Adds MBTA map functionality to Google Maps.