From Nardog (thanks!):

User scripts

edit

Extra functionality

  • CatChangesViewer – Lists recent category additions/removals on a category page.
  • CodeEditorAssist – Allows customizing the code editor, e.g. changing the color theme and enabling live autocompletion.
  • Consecudiff – Adds links to diffs of consecutive edits by the same user on watchlist, history, etc.
  • CopyCodeBlock – Adds a button to copy the content of each code block (<pre>).
  • CopySectLink – Adds a button to copy the unencoded page title or section path next to each heading.
  • MoveHistory – Lists the past moves a page has gone through.
  • RCMuter – Hides specified users' edits on Watchlist/RecentChanges.
  • SmartDiff – Makes links and template calls in diffs clickable (supports red links, avoids WP:SEAOFBLUE).

Editing assistance

  • ExpandContractions – Expands contractions.
  • IPAInput – Type in IPA symbols by directly looking at an IPA key like Help:IPA/English and clicking on the symbols.
  • RefRenamer – Replaces reference names like ":0" with descriptive ones like "Smith-2015".
  • Unpipe – Converts each piped link to a non-piped one if both lead to the same article.

Itch scratchers

  • AutoSectionLink – Adds or refines the /* section link */ as you edit so only the modified section will be linked in the summary.
  • AutoTestcases – Autofills "Preview page with this template" with the most relevant /testcases page that exists.
  • CatChangeLinker – Links "diff" and "hist" for category additions/removals on Watchlist/RecentChanges.
  • PasteToCommons – Upload an image to Commons from anywhere on the site by pasting it.