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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 process for Facebook is the same, go to https://developers.facebook.com/apps, create an app, create a social application in your admin with your id and secret key, create the paths and views in your urls.py and views.py, find a way to get the access_token from Facebook https://github.com/adi518/vue-facebook-login should help? Call the API with the token and handle the response.
I found https://github.com/guruahn/vue-google-oauth2 though which seems to do the same. With it, it seems you can get your token from Google and then in your Vue app you call your Django api sending the token. Then your app handles the response with either showing an error or altering the state to user logged in.