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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.
The project is currently in public preview for a short period of time. While it may not have feature parity to existing solutions, we are rapidly improving it and hope you can help us improve it through testing, feedback, questions, comments, or contributing code. If you would like to test zrok.io yourself, please DM me or reply in our discourse. If you want to play with zrok and self-host, just go to https://github.com/openziti/zrok.
* Great examples which provided inspiration include Cloudflare tunnel, Tailscale Funnel, SirTunnel, Localhost.run, Fractual Mosaic, Pinggy, Tunll, and of course, the original Ngrok.