If you aren't ready to buy a license key yet, there are a few open-source or built-in alternatives that offer similar (though often less polished) results:
Reviews from platforms like the Chrome Web Store and MacUpdate generally praise its performance while noting specific edge cases. smoothscroll license key
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If you are annoyed by the prompt or want to support the developer, here are your legitimate options: If you aren't ready to buy a license
While Smoothscroll offers a free version, it has limitations. To unlock its full potential, users require a Smoothscroll license key. A license key provides access to premium features, including: smoothscroll license key