Userscripts.org

Shows deleted posts on MetaFilter. This script is known to work in Firefox/Greasemonkey and Google Chrome.

Adds "quote" links to Metafilter comments.

Navigate users' comments in Metafilter threads. Highlights comments by you and the original poster, and Metatalk comments by the admins.

Mark contact contributions on Metafilter

Tracks your last-read comment in threads, and allows you to jump back to it easily. This script is known to work with Firefox/Greasemonkey, Opera, Chrome, and Safari.

Makes the submit button be a unicorn

Removes images in Metafilter comments

Helps you keep track of questions and posts you want to make later. NOTE: AskMe Question Pad changed names. You may need to manually uninstall the script with the old name.

change the name of favorites

puts links on main pages (a red Omega in the small copy) that on clicking open story in new window (and all of its links in new tabs)

Tells you how long until you can post next on Metafilter

MetaFilter readers, would you rather see text-only posts linking to images or would you rather see the images within the post itself? Mondo Image allows users to automatically display inline images from text links with custom filtering and security.

Adds a download link for the mp3 beside the Flash player

MetaFilter readers: Apply custom display styles to individual posts; tag posts with single- or multiple-word tags; highlight in different colors, all based on trigger words or patterns you select. (You can delete users or topics too). Major upgrade

Highlights multifavorited comments on Metafilter.

Highlights multifavorited comments with bars whose width indicates the number of favorites; cannibalized from flatluigi's script

Adds your personal notes to a metafilter user profile

When you click on the tick/check next to a question, jump to the first 'best answer'.

Removes any indication of 'best' answers from AskMefi.

Removes non-'best' answers when you click on the best-answered tick/check.

Adds an e-mail icon next to each user so that it is easier to contact them via MeMail (MetaFilter Mail Messages).

Shows the contact activity sidebar on every subsite

changes background color of links to warn if video, pdf, ...

Hover over favorites count in MetaFilter comments to see which users favorited the comment.

This is a very simple script that hides all anonymous questions on Ask MetaFilter — http://ask.metafilter.com/. No offence is intended towards those who appreciate anonymous questions. I simply prefer a MetaFilter that does not include them.

Turns the submit button into a unicorn and the preview button into a narwhal (100 px version)

Maps MeFi tags to social bookmarking tags.

Unicorn and narwhal buttons plus laser kitty on deleted posts

Replaces the linked comment triangle pointer with a hedgehog.

Annotate MetaFilter user-links everywhere with an indication of user-number.