The best alternatives to Formbackend are Endpoint Space, WebSubmit, and elFormo. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Formbackend?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Simply copy a URL, and paste it to your form, that's all. Issue solved - all information sent from these forms will go to your account dashboard and email. You can also set up to receive submissions to multiple emails at the same time.
WebSubmit allows you to build an API for your web forms, manage data submitted from the users, secure the forms with modern anti-robot mechanisms, trigger automatic emails, auto-delete data etc,. Headless CMS + WebSubmit as backend would be a perfect fit.
Introducing FormRocket, a new way for developers to create & store responses from forms. Post data to your form and fetch responses, we handle the hard part. You can even connect your form to Discord, and send new responses over to your Discord channel!