Tampermonkey Alternative May 2026

Here’s what I found on the other side. Vibe: "I have nothing to hide because you can read my source code."

The 4.0 rewrite broke thousands of scripts by removing GM_* APIs. The community panicked. Many left. But if you only need simple DOM manipulation and hate feature creep, Greasemonkey is still a masterpiece of focus. tampermonkey alternative

Greasemonkey is the original. Created in 2005, it birthed the entire userscript ecosystem. But while Tampermonkey added bells and whistles, Greasemonkey stayed minimalist— too minimalist for some. Here’s what I found on the other side