AutoReviewComments - Pro-forma comments for SE
No more re-typing the same comments over and over! This script adds a little 'auto' link next to all comments boxes. When you click the link, you see a popup with 6 configurable auto-comments (can…
"View Vote totals" without 1000 rep
Curious about the number of up- and downvotes? This script enables the View vote counts feature without requiring 1k+ rep. Available as a Chrome extension, user script and bookmarklet.
Stack Overflow Extras (SOX)
SOX v2.8.0 Stack Overflow Extras (SOX) is a project that stemmed from the Stack Overflow Optional Features (SOOF) project. The SOX userscript adds a bunch of optional features to all sites in the S…
StackExchange™ SuperCollider Freehand Circle™ Editor - [Now supported on EVERY StackExchange site!]
A UserScript for Meta that makes it extremely simple to draw Freehand Circles™ on any image in a post. The script even goes as far as updating the post with the new image for you.
Official keyboard shortcuts
The official keyboard shortcuts for the Stack Exchange sites, developed as a user script until ready for inclusion as a regular feature.
The Stack Overflow Unofficial Patch (SOUP)
The Stack Overflow Unofficial Patch (SOUP) is a project to collect various minor client-side bug fixes, work-arounds and usability improvements for Stack Overflow and other Q&A sites on the Sta…
Better handling of indentation and the TAB key when editing posts
This user script changes the behavior of a few keys (most notably the Tab key) within the post editor to behave more like it does in IDEs or text editors
Display comments on questions and answers in conversation threads instead of linearly
OBSOLETE - SE Editor Toolkit
Looking for Maintainer I have not had the capacity to maintain this project in any meaningful way, but the source code is quite clear and reasonably well documented. If you would be interested to …
SE Comment Link Helper
Converts raw question URLs to title-fied links automatically before submitting a comment
SE Chat Modifications -- Keyboard navigation and commands for chat
Make chat even more awesome by adding in extensible commands and keyboard navigation
Stack Exchange Global Flag Summary
A userscript that provides a networkwide flag summary for all Stack Exchange sites.
SE Modifications -- Username autocomplete in comments, inline revision source, and utility links
Adds comment autocomplete (relatively) consistent with comment "@lert" rules, as well as a number of useful utility links, like history and timeline
<kbd>, Superscript and Subscript, markup shortcuts
This script adds buttons and keyboard shortcuts that make it easy to add/remove: <kbd> tags Superscripts and subscripts <del> tags <br> tags   when editing posts. Ol…
Custom Fonts User Script: Revert or Improve the Font Updates
Recently, Stack Exchange decided to switch to system fonts. For those of you who prefered the old appearance, or would like a different font to appear in code blocks or across the site as a whole, …
LegacyProfiles - Bringing back the old profile stats
Brings back the 'Member since', 'Profile views' and 'Last seen' stats removed in a recent profile change using the Stack Exchange API
Top navigation your way. Add new top bar options: Move drop-down buttons (left, right, center); adjust height; add a dark theme for SO/MSO; merge site-switcher with logo; global sticky; and more.
Roomba Forecaster - When will the question be Roomba'ed? If it won't, why?
Will the question be Roomba'ed? If so, when? If not, why? Adds a status line to questions showing: If and when Romba will delete the question; Why it won't be deleted; If down-voting will Roomba.
ChatBot, a bot. For the chat
Lurks in the shadows of the chat. It executes commands at the request of the user, sending messages as the user who runs it. You can talk to it the StackOverflow SandBox room if you want to play (…
LegacyQuestions - Bringing back the old questions design
Brings back the old questions design changed in a recent redesign
OBSOLETE - Stack Exchange Deleted Question Viewer
A user script allowing users with 500+ rep to view deleted questions, if they have a link to them.
Dude, where's my cursor?
This user script makes editing especially of large posts easier by matching cursor positions in the text box to positions in the Markdown preview and vice versa.
Mathjax Buttons adds convenient buttons and keyboard shortcuts for those who use MathJax on SE
Stack Exchange Editor Toolkit
This userscript is a revival of sorts for the old SE Editor Toolkit, which was abandoned some time ago. It only really provides the autocorrect aspect for the foreseeable future, which I find to b…
Set fire to people in chat
How many times have you been overwhelmed by your desire to set fire to people in Stack Exchange chat? Well now you can! Arqade Fire Get Chrome Extension Get Grease Monkey User Script Arqade Fire i…
SE Chat custom notification sound
Customize the notification sound played in the Stack Exchange chat
Click to expand code regions
Script that allows you to click code regions on stack overflow (or other stack exchange sites) and have it expand to whatever size it needs. Get rid of those pesky scroll bars!
Adds a button to check the probability that a post was written by a bot
Unicorn Voting - Bringing the Joy of April 1 All Year 'Round!
A UserScript that restores some of the animations that accompanied April 1, 2011.
OBSOLETE - Add Timeline and Revisions links
Add revision links, and timeline links on all questions post menus
Disable enter for submitting comments
This user script disables the default behavior of the enter key submitting a comment. With this script installed, you must explicitly click the Add Comment button to submit your comment. Source …
Generic Bot – A Moderation Chatbot
Generic Bot is a chatbot meant to help with moderation tasks on Stack Overflow. You can find the bot in the SOBotics chatroom. Flag Tracker (Userscript) When you flag a post, this userscript wi…
Add keyboard shortcuts to comments
Adds Ctrl+B (bold), Ctrl+I (italic), Ctrl+K (code), and Ctrl+L (link) shortcuts to comments.
'Saviour' of Lost Souls
Adds a shortcut to down-/close-/delete vote and post a welcoming comment to Lost Souls on Meta Stack Exchange and some other sites.
Stack Exchange Post Editor - Performing Basic Corrections on Posts Automatically
This script was originally inspired by SE Editor Toolkit. Unfortunately, the toolkit is packaged as a Safari extension and as such is unusable in Chrome, Firefox, and Opera. I had written a PHP scr…
Stack Exchange Side-By-Side Edit and Preview
The Stack Exchange Side-By-Side Editor adds a link to your edit toolbar to enter side-by-side editing mode. Creates a window with just the edit text area and the markdown preview next to each other.
Duplicate Target Manager
Description This is a userscript that lets you mark questions as commonly used duplicate targets, and replaces the default question search in the close dialog with one that searches through your ma…
OBSOLETE - Duplicate Question Suggestion Boxes
An UserScript for any Stack Exchange site that makes it extremely simple to check for duplicate questions for a post.
Bring back the Bold!
Our insidious overlords have made some numbers on the page thinner. This script feeds the numbers a sandwich to get them back to normal size. Installation Click here to install. Will work in Chro…
Freehand Circles Drawing Tool
A userscript that lets you draw directly onto images on any Stack Exchange site to add freehand drawings :)
Ask Ubuntu Toolbar Buttons - A set of toolbar buttons for Ask Ubuntu that make it easy to insert links to packages, PPAs, etc
This UserScript adds some buttons to the editing toolbar that allow the following to easily be inserted: Package installation button: Package installation text and icon: stackapplet Manpage…