Tampermonkey Alternative !new! Review

The Ultimate Guide to Tampermonkey Alternatives in 2026 Tampermonkey has long been the undisputed king of user script managers, allowing users to inject custom JavaScript into websites to automate tasks, enhance layouts, and block annoying elements. However, as of 2026, many power users are seeking a due to privacy concerns surrounding its proprietary nature or a desire for open-source solutions .

Violentmonkey is widely considered the best direct alternative to Tampermonkey. tampermonkey alternative

ScriptCat (also called "Violentmonkey's chaotic cousin") is the most interesting alternative. It's developed by a lone Chinese coder and does things Tampermonkey never dreamed of: The Ultimate Guide to Tampermonkey Alternatives in 2026

Open Source | Platforms: Cross-Platform (Node.js environment) and block annoying elements. However