SurveyJS

Open-source JavaScript form builder library for dynamic forms and survey applications.

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An open-source JavaScript library for building dynamic forms and surveys, designed to generate customizable questionnaires and collect structured responses in web applications. It helps teams create interactive, data‑collection interfaces without a hosted service and is commonly used by developers working with frameworks like Angular. Offered as a free web library, it is positioned as an alternative to hosted survey builders.

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