If you are using your own landing page as the registration page for an Everwebinar and want to showcase everyone that has registered for your even in a tiny popup window that shows the persons name and the location they have signed up for, I recommend ProveSource.
Many of these social proof platforms don’t work well with Everwebinar. I have personally tested ProveSource and can confirm that this works and is able to push live registration information back to your non Everwebinar rego page that contains the embed link.
You can check them out via here.