Tripetto - Visual editor and more - for self-hosted forms and surveys
Tally.so - The simplest way to create forms, for free.
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!
Paperform - A digital Swiss Army Knife for Small Businesses
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WPforms - Drag & drop WordPress form builder