Userscripts.org

Shows rainbows atop tiny clouds around your own comments in Recent Activity. (For logged-in members)

Hover over favorites count in MetaFilter comments to see which users favorited the comment. Minor fixes & enhancements.

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

Replaces the inline video "play" icon with a picture of a triangular fish. Works for logged-in users who have inline video enabled in their preferences.

Replaces the linked comment triangle pointer with a hedgehog.

Allows styling of comments and posts by who wrote them

Unicorn and narwhal buttons plus laser kitty on deleted posts

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

Makes the submit button be a unicorn

Replaces MetaFilter/AskMeFi titles with Reservoir Dogs quotes.

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.

Allows you to associate a G+ IDs with pseudonyms, as defined in a Google spreadsheet

Adds "quote" links to Metafilter comments.

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

Adds your personal notes to a metafilter user profile

Highlights posts with lots of comments

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

Marks contributions from all librarians on MetaFilter.

Maps MeFi tags to social bookmarking tags.

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

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.

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.

Shows the contact activity sidebar on every subsite

Rename from "faved" or "... favorites" to a phrase of your liking.

Adds a "Playlists" tab to the Mefi Music tab bar, and adds the tab bar to most music.metafilter pages

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

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.

change the name of favorites