An Opera userscript group

It emulates the window.clipboardData object and improve it's use (it is very useful on "XDCC List" pages for example).

Makes images in Google search results point directly to the image (instead of a frame).

Web of Trust UserJS, displays information on the reliability of the current website.

Not modal alert box

Replaces PDF/PPT/TIF Links with Google docs Viewer (for FireFox, Opera and Google Chrome)

Removes ads and unwanted sections (configurable), allows downloading and resizing videos, displays all comments on video page, expands the description, can prevent autoplay and autodownload, adds a HD (High Definition) select, etc...

Download Link + Quality Selector + Rollover Preview + Media Controller + Media Resizer + More...

Enhancements for Facebook: bigger profile pictures and photos, easier viewing of albums, links to download videos, showing people's age and sign, google calendar integration, keyboard shortcuts & more. Compatible with new Facebook and fully custom...

Joe Lencioni’s Greased Lightbox is a Greasemonkey, GreaseKit, and Opera user script designed that enhances browsing on websites that link to images such as Google Image Search, Flickr, Wikipedia, MySpace, deviantART, and FFFFOUND!

This Google Black script enhances all Google service pages with an inverted color-scheme for reduced eye fatigue; it also removes ads & clutter and improves page layout and readability by widening search results

Adds a virtual keyboard to text fields, password fields and textareas allowing keyboardless input of text and special characters. Install the script and double-click on one of the form element types above to display the keyboard.

Forces display of tooltip previews in vBulletin thread lists, even if the original poster attempted to obsfucate their content by eg. wrapping it in quote BBCode.

Uses a small amount of CSS to remove advertisements. This script is cross-browser (Gecko, Opera, Safari, Chrome)