Userscripts.org

Adds links below the Youtube video to (a) download the video (HD .mp4 file, no converters are used, no external sites) (b) view the video with an embedded external player (like mplayerplug-in or the totem plugin)

Shows the rating as well as the enthusiasm of the viewers (Like Strength) below each video's thumbnail, highlighting the cream of the crop. It is a mod of flux242's Youtube Ratings Bar script.

Makes the Youtube search feature behave like Google Instant (works only on the main page)

Circumvents the "is not available in your country" message on Youtube by using a proxy.

Adds a button to show the URL:s for the video feeds at YouTube and the ability to download them.

Links the Youtube logo to "subscriptions" instead of "what to watch".

Pauses the video when you click anywhere on it

Hides the recommended videos on your front page (for the new design)

NO LONGER WORKS. Add button to Youtube video title to pop-out video

I made a small change to the new youtube design to be in the center (where it should be).

Adds links to external sources of the same content, includind trailers on youtube, movie on kinopoisk, torrents on torrentsmd/rutracker and subs on opensubtitles/subscene. Every feature can be enabled/disabled in settings.

Fixes youtube page size.

Tired of moving your mouse over every single video title to get to know what's behind the "..."? Then this script is just what you need! Should work with all browsers supporting user scripts.

Automatically favorites a video when you like it

[OUTDATED]This script automatically sets the view setting for Youtube's homepage to everything. **BROKEN AS OF DECEMBER 7, 2012 UPDATE TO YOUTUBE

Search Videos on YouTube while watching a Video. Demonstration-Video: http://youtu.be/l-ezidCFR-A

Disable comments from YouTube per default, with an option to (temporarily) display them for a single video.

Hides annoying greybar playlist div at the bottom.

Adds the short URL youtu.be/*videocode* under the regular URL field.

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

Changes the plain text playlist names on new-style YouTube channels to link to their classic playlist pages like how the old-style channels did. (Firefox and Chrome compatible.)

Adds extended functionality to the youtube player such as player refreshing if video stops loading, user specified seek ahead, stop video loading, and more

On Youtube: Adds a button to open the search in a new tab.

Show the ratings bars for youtube videos. Never watch low-rated or fake videos again!

automatically clicks the info box / description panel on load of youtube pages so that the more information starts expanded.

Replaces the default YouTube player with Flowplayer (flowplayer.org). Forked from version 1.2 of Youtube Alternate Video Player by Yansky.

Rapid8.com Lite, min ads, fast download!

This script tags every video links on a YouTube page so that they can be downloaded easily -- using the title as the filename. On the watch page, it also shows all the available video formats at the top of the page.

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