Tampermonkey

Popular browser extension to create, manage, and run userscripts that customize web pages.

Browser extensionunknownglobal

A browser extension for creating, managing, and running userscripts that modify or add features to web pages, helping automate tasks like form filling or adding UI elements. It targets power users and script developers, offering a popup and dashboard for script control, cross-browser synchronization, a built-in CodeMirror editor with ESLint checks, and compatibility support for older Greasemonkey scripts.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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