SearchSuite is a userscript that provides user control over search results: it can strip them down to a single-spaced list, sort, and more. Most of its features are presented as menu item toggles to turn each feature on/off. Each menu-item-controlled feature works on the output of all the others, in both their on and off states. Feedback and feature suggestions welcome.
Do you have need for a specialized script that doesn't exist yet, or have an idea for a cool new script or gadget? Post requests and ideas at Wikipedia:User scripts/Requests.
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Wikipedia:Typo Team/moss just got a fresh batch (from the July 20, 2018, database dump) of articles with misspelled words, and words missing from Wiktionary. Stop by and experience the satisfaction of fixing all the misspellings in an article on the topic of your choice!
Visit the Teahouse if you are a new editor looking for interactive help. Ask questions about using Wikipedia and volunteers will respond as soon as possible.
Ask about technical issues at Wikipedia:Village pump, which is a page where folks especially knowledgeable about Wikipedia hang out. The village pump is a metaphor for a place where lots of people gather to discuss interesting topics.