Have you guys ever heared about this one? Mercury. Its from the creator of Thorium, an optmized version of Firefox.

This page summarizes the projects mentioned and recommended in the original post on /r/browsers
palemoon palemoon-addon Polyfill seamonkey Webcomponents

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  • palefill

    Inject Polyfills for various web technologies into pages requiring them

    • It cannot render modern sites without a polyfill addon to improve compatibility because they are worried more about legacy extensions and an old UI than providing a usable browser https://martok.github.io/palefill/

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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