Userscripts.org

Adds Youtube and Nicovideo thumbnails to pinboard.in bookmark lists.

Adds a link to play videos from YouTube in XBMC. Also stream to xbmc from various content sites

Replacement for youtube playlist bar, lets you choose to hide or show the bar at the bottom of certain pages, adds a button above player and also adds various options.

Adds a link to play YouTube Video on XBMC.

Adds a link to play videos from YouTube in XBMC

helps you to get rid of those crappy repetive phrases which are stated over ond over by certain political associations ;)

Adds button to Youtube video title to pop-out video

Adds a button to open the YouTube video in sidebar.

Flash 動画プレーヤーの選択状態を維持しないことで、キーボードによるページ操作（移動等）を妨害しません。 ニコニコ動画, YouTube に対応。

Auto-redirect videos from YouTube, Vimeo, Viddler, and more to Quietube. Now including "pre-direction"!

Rapid8.com Lite, min ads, fast download!

Uses the RapidShare exploit to download EXACTLY like a premium user, NO/NaN PREMIUM ACCOUNT REQUIRED.

Make the YouTube dislike bar red again.

Logs into YouTube via xml request

As the name states, it removes those stupid movies that show up even though they have nothing to do with your preferences just because the mob is watching them.

Remove the annoying (to me) "Friends" bar at the bottom of the screen.

With this Script you can Remove anything frame or other thinks on a Homepage.

Removes the annoying 'Set Facebook as your homepage' popup!

youtube remove ads and sidebar

Removes the annoying 'Welcome to the #New Twitter' bar at the top of the screen.

You can drag the player to the size of your liking, just hover the cursor over the edge of the player and an "resize" cursor will appear.

Moves the video to the top of the website and resizes it to the screen size. A side effect is that the resolution will auto-select 480p/720p/1080p if it fits in the window due to the video player's default behaviour.

Replaces the youtube flash video player with an alternative player, hosted by s0rs.net

Download videos from video sharing web sites.

Cross-Site CSS, Link manager, Video saver, Youtube, Notebook, Calulator, Translator, SEO, Diary, Mail, Notes, Advertising block, Site-auditor.

Scrobble music videos from YouTube to Last FM. Contains both automatic scrobbling and manual scrobbling.

Adds a link and userscript command to search a page and highlight the result

Search YouTube for the keywords you highlight on any page and displays top results in new tab. This script should be disabled most of the time and only enabled when you want to make use of its functionality.

Adds a button to Google to allow searching within www.youtube.com. It can be easily modified so that other websites can be searched using the button it adds to Google.