What are some alternatives?
When comparing Gravity Forms and Wordfence, you can also consider the following products
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Sucuri - Website Protection, Malware Removal, and Blacklist Prevention
Wufoo - Wufoo's HTML form builder helps you create online web forms. Use our web form creator to power your contact forms, online surveys, and event registrations.
Yoast Plugins - Yoast offers plugins to improve SEO and optimize web sites and blogs.
Amazon CloudFront - Amazon CloudFront is a content delivery web service.
Jackmail - A newsletter plugin for Wordpress.