So I went looking for alternatives. Not because Tampermonkey is bad—it's brilliant. But because no brilliant tool should become the only tool you trust.
Open Source | Platforms: Cross-Platform (Node.js environment) tampermonkey alternative
Tinkerers who accept risk for power—and speak Mandarin. So I went looking for alternatives
Instead of a full manager, these are lightweight extensions that simply inject a specific JS file. tampermonkey alternative
Safari users on macOS who need a dedicated extension. Comparison of Top Userscript Managers (2026)
This is a growing trend among technical users who want the functionality of userscripts without the security risk of giving an extension access to all browsing data.