When comparing www.phpform.org vs LiveForm, the Slant community recommends LiveForm for most people. In the question“What are the best online services for making forms?” LiveForm is ranked 6th while www.phpform.org is ranked 14th. The most important reason people chose LiveForm is:
You just need to plug the form endpoint in your form action. No iframes are needed
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Pros
Pro Great presets
This service offers a bunch of great basic preset fields, such as address, phone number, website, etc.
Pro Complete control over the markup
You just need to plug the form endpoint in your form action. No iframes are needed
Pro API Access
Allows accessing of message through an API
Pro File Uploads
Allows file uploads as part of form submissions
Pro Email Notifications
Allows addition of multiple recipients when a form submission is made
Pro Webhooks
Simple Webhooks which allow integration with other services like Zapier.
Pro reCAPTCHA and Akismet for spam prevention
Adding reCAPTCHA can completely eliminate spam from your form submissions
Cons
Con Does not host the forms
You can't create a Google Forms like form and host it on LiveForm, you need a website to put the form code in.