Userscripts.org

Download Youtube Videos (HD 1080p & 720p/HQ MP4, Mp3, FLV, 3GP) Dailymotion (HQ MP4, FLV), Magavideo (HD/HQ FLV) Google (HQ MP4, FLV), Vimeo (HQ MP4) Break (HQ MP4, FLV), Veoh (HQ MP4, FLV), Metacafe, Spike, Myspace, Facebook, Current, Redtube and...

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, bookmarks, keyboard shortcuts & more. Fully customizable!

Regularly checks your Facebook friends to check whether anyone has removed you from their friends.

Harvest resources every 5-10 minutes in tycoons (http://apps.facebook.com/supertycoons/). Working as of 13 June 2010.

Cleans Facebook URLs that don't actually take you to a new page.

Gets rid of the new Facebook sidebar replacing it with one like the original.

Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient

Manages farmville wall posts; accepts bonuses, grabs bouquets, adopts animals, hatches eggs, and more

Facebook MafiaWars Tools.

Allround Tool - Kingdom of Camelot - All Lang

Adds a link above photos to see them in their albums, even if you're not friends with the photographer. Adds links to view all photos of a user together (regardless of who took them). Adds links to view whole galleries/albums on one page.

Adds an emoticon bar to Facebook chat

If you use the Add Me threads, you quickly run out of invites. With this script, you can invite a friend without using an invite - each friend on any 'friends' page of Facebook (eg recently added, all, mobwars-only) has a link for inviting to Mob...

Extra Incoming Attack Alerts for Kingdoms of Camelot

Gives the option of changing the facebook colour scheme to anything you want using a colour selector.

Adds an awesome color scheme to facebook based on your photo.

Utilities and bug fixes for Kingdoms of Camelot on Facebook

Places a link to view all photos of a user regardless of who tagged them. Also allows you to see photos of someone who has a private profile

This script gives you a set of emoticons that you can click for a more convenient way to use emoticons in chat. *Now available as a Firefox Add-on!

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.

Adds links to download or convert videos with Zamzar.com, and provides code to embed your videos in other sites. Now even works when Flash is disabled!

Removes any and all ads from Facebook.

Adds checkboxes to each request and a big accept button allowing you to accept them all at once

Bulk delete friends on facebook

Invites your friends to the app if they've already allowed the app access. Bulk add new friends. Adds bulk request buttons in the requests page.

Replace text smileys as graphics (smileys are same as in facebook chat)

A GreaseMonkey user script to add nifty features meant to enhance your MouseHunt gameplay.

Removes ads, Sponsored stories, Suggested Posts, game and application posts also "became friend with", "is attending event", "became a fan", "joined a group", "read an article" messages from your facebook homepage also fixes news article redirects...

The most popular and best supported Mob Wars application EVER! -- Helps and improves the playing experience of the Facebook application MobWars with automatic functions. -- Includes Captcha Solver(TM)

Script accpet/ignore all Mafia wars, Farmwille Vampire wars, Yoville, poker, Castle Age and cafe gift's, friend in single click.