-
HANDSONTABLE
JavaScript data grid with a spreadsheet look & feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
-
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.
https://handsontable.com/ This is the best commercial library you can just buy and put it in your product.
You might find this "Deciding the frontend framework" GitHub discussion helpful. We're building pretty much the product you're describing and we were considering different options for the frontend. We ultimately decided to use Svelte with a little bit of Django templating.