Greasy Fork is available in English.
A powerful script to enhance YouTube, Facebook, X, Spotify, Reddit, Twitch, Instagram, LinkedIn, TikTok, Pinterest, Netflix, Amazon Prime, Discord, GitHub, Google, Wikipedia, eBay, Hulu, Quora, Medium, Stack Overflow, IMDb, SoundCloud, Vimeo, and more with intelligent features.
Seems to work well. No clue how to “Get Key” though, as it just directs me to the site with no additional details.