Userscripts.org

Adds a tooltip to each 'Trending Topic' to let you know what the trend is all about (using the 'What The Trend?' service).

新デザインTwitterのプレビュー機能に、主に日本で広く用いられるサイトのプレビューサポートを追加します。 (Extend preview supports in New Twitter)

Calculates what type of twitter user someone is

Usage: Ctrl + Shift + Enter -> "Now browsing: ****" on Twitter.

Ever wanted to share a cool website to the world but didn't know how? With this script, you can easily email, subscribe, bookmark and share over dozens of networks!

Turns plain text URLs, email addresses, and Twitter links (@twitterID) into links. You can add new filters if you know how to use JavaScript regular expressions. (Only Twitter links are new in this modified version.)

Makes Google 3 times faster, doesn't sound like a lot but it makes a big difference.

Automatically show new tweets on Twitter web interface

Embed content inline next to links on a page.

Automatically replace any Tweet URL with bit.ly URL as you type or paste in a URL

Quickly post any page to common online services

Punch through shortened URLs, to unpack the link target.

Adds a search field to the Twitter interface

Ranks what kind of User this Twitter User is according http://twitter.com/evan/statuses/782291082 and according a Twitter Rank Algorithm (TR)

Beautifies Twitter like Pinterest with multi-column layout and image-like posts...

Adds a line between old and new tweets as it was in the old design

Lets you quickly redo your search on different websites (google.com, amazon.com, wikipedia.org, youtube.com, flickr.com or twitter.com) with a right click in any search box. Also available as a Firefox 3 add-on with better features.

Adds a search box to the Twitter sidebar.

Creates buttons under each posting on your home screen to unfollow users on twitter. Reduces the number of clicks to remove a user from follow list. Please post on twitter if you like this.

View tweeted pictures directly on Twitter! No more opening tabs just to view an image. With prefetching, thumbnails and a nice viewer.

displays a tip indicating how many tweets on the current page(URL) / 閲覧中のページに関するつぶやきの件数を表示。クリックで一覧を表示

Replace short and meaningless tinyurls with the domain of the actual web site using the preview feature, now works on all websites.

When you load tweets from the new tweet bar, auto scrolls down to last new tweet so you can pick up reading from where you left off. March 30, 2013: After a twitter change broke this script ages ago, I think I've finally got it working again!

Logs you in automatically on Twitter if the Browser pastes your account data. Works in all conditions (directly going to twitter.com, jumping to a linked tweed and using the "twitter.com/login"-page)

view image on Twitter

Script for filtering tweets about a specific topic. Works only with #NewTwitter

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

To decode some short URLs and redirect automatically, when visit them, which blocked in China (e.g. BIT.LY). *** Only for people in China Mainland ***

Adds an "translate" icon to new Twitter tweets, allowing you to translate them with Google's translate service.

TwitterのレイアウトをGoogle風に変更できます。 can change twitter.com to Google layout.