Greasy Fork is available in English.
A huge userscript that modifies hundreds of websites, adding mods, hacks, new features, and quality-of-life to the web! (in beta) Notable features: auto-redirects, a fully-featured MooMoo.io hack, Google Classroom dark mode, mass delete discord messages, remove ads on baidu, disable Google Analytics, Facebook ad blocker!
It's perfect for me. But the lag is a bit annoying.