Userscripts.org

This userscript will switch the comment text box and preview area so that the preview area is above the text box area.

Add reply links to comments

Show the favorite items (e.g. Wikipedia entries) at the top of the Google search result.

hides all reputation numbers on stack overflow

Hide the "gravatar image" alt text if the gravatar image is not found

Makes the stackoverflow top bar stay fixed to the top of the window and shrink when scrolled down.

Puts markers next to questions that haven't been read

Makes non-internal SOFU links open in a new tab or window

Let Commander Keen do the downvoting

Makes the Stack Overflow "community owned wiki" link checked by default

Hides questions on the home page and main question list which have certain uninteresting tags, unless they also have some interesting tags

This userscript will add a 'question' tag to delicious bookmarks when you save them.

Prevents questions with ignored tags from displaying unless they also have an interesting tag.

Changes relative times to absolute (e.g. "Four hours ago" to "today at 11:23").

This userscript will add a 'stackoverflow' tag to delicious bookmarks for stackoverflow.com, when you save them.

Drag and Drop Tags to add them to the Ignored/Interesting lists

Save question to Delicious

StackPrinter - The Stack Exchange Printer Suite.

Moves the prefix on "views" up so it's next to the actual number on Stack Overflow and related websites. Not necessary on Stack Exchange sites.

Give the user the choice which language to use for syntax highlighting

This userscript will update the ask a question form on StackOverflow to use @placeholder, instead of their wacky junk.

This userscript will hide job ads at Stack Overflow.

Try to guess alignment of RTL posts on the Stack Overflow Chat

prevents the "Welcome" bar from popping up on StackExchange sites (stackoverflow.com, serverfault, etc.)

Searchbox for searching through the answers on the current question

This userscript will remove the redunant x's beside tag names in StackOverflow's right nav.

Show threaded comments on Stack Overflow and other Stack Exchange sites