-
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.
You should install one of the many referrer removal addons and enable it for hacker news. For example: https://github.com/airtower-luna/referer-mod
If you're going to browse a website that's known for being full of awful tech-bros, racists, and fans of paul graham, it's usually best to avoid advertising that to the rest of the internet.
Most sites are too lazy to do anything based on referrer, but there are several sites out there that go the extra mile to put out a welcome mat to people coming from this wretched site.