Here are UserScripts I have created which work with Tampermonkey, Greasemonkey, and ViolentMonkey though I currently only use and test these scripts with ViolentMonkey.

Bringing the user more control over the web

blog.leetcode

Enhances the blog post LeetCode - Algorithms with additional decorations

m.youtube.noshorts

Removes Shorts from mobile YouTube.

linkedin.nosponsored.user

Removes sponsored messages from LinkedIn.

copyToMarkdown

Copies the current URL as a Markdown link.