Top Open Source Form Builders Tools in 2026
A curated collection of the 7 best free and open-source Form Builders tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
Ikiform
Open-source form builder with AI analytics
Stars356Last commit3mo agoLicenseMITPalform
Privacy-first encrypted form builder
Stars45Last commit1mo agoLicenseAGPL-3.0OpnForm
Free online form builder with unlimited responses
Stars3,644Last commit12d agoLicenseOpen SourceLimeSurvey
Free open-source online survey tool
Stars3,703Last commit11d agoLicenseOpen SourceHeyForm
A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.
Stars8,951Last commit19d agoLicenseAGPL-3.0Formizee
Open-source backend for form handling and analytics
Stars183Last commit14mo agoLicenseApache-2.0Formbricks
Open source experience data hub for surveys & feedback
Stars12,828Last commit10d agoLicenseOpen Source
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Showing 7 of 7 open-source tools