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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.
Not op, but afaik there's no equivalent app in ios. But if you don't mind watching from browser, there's Piped. You can search on google for other piped instances in case the official one does not work for you.
uBlock Origin performs way more reliably while using less resources; uBO is actively developed; uBO is not just an adblocker, it is an all-around content blocker that can also be used to replace other extensions like NoScript; It works even better on Firefox; Scientific papers made about adblockers in general consistently found uBO to come out on top; There's already a (severely nerfed) MV3 version of uBO for Chrome users when Google decides to kill MV2 in 2024, it is one of the few adblocking extensions that has already prepared a MV3 version.