HeyForm.

Open-source conversational form builder for surveys and feedback

Facts

CryptPad Forms
Encrypted forms and surveys within CryptPad
FR · open-source
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Fillout
Form builder with Notion and Airtable integration for data collection
IE · commercial
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Formbricks
German open-source survey and experience management
DE · open-source
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FormCrafts
Drag-and-drop form builder with conditional logic and payment integrations
NL · commercial
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Framaforms
French privacy-friendly forms (association)
FR · open-source
↗
Getform
Form backend service for static websites and JAMstack
DE · commercial
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Input App
Interactive form builder with focus on conversation and user experience
DE · commercial
↗
Kwes Forms
Form service with spam protection and validation
NL · commercial
↗