Tampermonkey Alternative //free\\ May 2026

Here’s an interesting, story-driven write-up on Tampermonkey alternatives, framed as a user’s quest for the perfect userscript manager. It started with a single pop-up. Not an ad—worse. A nag screen inside my developer tools: "Tampermonkey has been updated. Please review the new permissions."

I clicked "OK" for the tenth time that month. But this time, I paused. tampermonkey alternative

Tampermonkey had been my loyal companion for years. It injected life into boring web apps, scraped data that wasn't meant to be scraped, and turned Reddit into a usable website. But lately, something felt… off. The extension grew heavier. The sync features demanded Google Drive or OneDrive access. And the Chrome Web Store reviews whispered of "telemetry" and "tracking domains." A nag screen inside my developer tools: "Tampermonkey

AdGuard’s browser extension isn't just for blocking ads. It has a hidden userscript engine that supports most Tampermonkey APIs. The killer feature? It runs before the page loads. Tampermonkey waits for DOM readiness; AdGuard injects at the network level. Tampermonkey had been my loyal companion for years

Violentmonkey is the ethical hacker’s Tampermonkey. It does 95% of what Tampermonkey does, but with zero proprietary bloat. The permissions model is stricter, the update checks are transparent, and the code is lean enough to run on a Raspberry Pi.

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.

I switched to for daily driving. It feels like Tampermonkey from 2018—before the feature bloat, before the telemetry fears. But I keep ScriptCat in a portable Firefox install for those late-night automation experiments.