{"category":{"slug":"open-source-form-builders","label":"Open-source form builders"},"methodology_url":"https://www.orbator.io/ai-index/methodology","license":"Free to use with attribution to orbator.io","date":"2026-09-05","engine":null,"available_dates":["2026-09-06","2026-09-05","2026-08-16","2026-08-15","2026-08-07","2026-08-06","2026-07-29","2026-07-26","2026-07-25","2026-07-20","2026-07-19","2026-07-01","2026-06-30","2026-06-23","2026-06-17","2026-06-16"],"policy":{"quotable_engines":["anthropic","openai","gemini"],"max_excerpt_chars":400,"full_text_public":false,"customer_runs_public":false,"full_text_retention":"retained at least 24 months, then operator review","notes":["Only Index category runs are archived publicly — customer scans never appear.","The quotable unit is a short excerpt of at most 400 characters, never the full answer.","Engines outside the verbatim allowlist are recorded as having answered, with the excerpt withheld under their terms.","Prompt intent is published; the prompt text itself is not."]},"status":"ok","count":21,"limit":50,"truncated":false,"engines":[{"engine":"gemini","count":7,"withheld":false,"answers":[{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For collecting leads with a self-hosted, open-source form builder, several robust options offer excellent features for data control, customization, and lead management. The \"best\" choice often depends on specific needs, such as the preference for classic forms, conversational interfaces, or integrated lead management.\n\nHere are some of the top open-source form builders you can self-host for lead c","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For enterprises seeking a self-hosted form builder that adheres to both HIPAA and GDPR compliance, **Formbricks** emerges as a robust solution, emphasizing privacy and control over sensitive data.\n\nFormbricks is designed with a \"Privacy-First Design\" approach, enabling businesses to self-host their surveys and forms, thereby keeping sensitive information within their organizational control. This s","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":101,"end":111,"name":"Formbricks"},{"start":198,"end":208,"name":"Formbricks"}]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":"To replace a commercial form tool with a self-hosted solution on your own infrastructure, several open-source and on-premise form builders offer robust alternatives with varying features and focuses. These tools provide control over data storage, user access, and customization, which are often key reasons for choosing a self-hosted option over a SaaS platform.\n\nHere are some of the top self-hosted","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":"When choosing an open-source form builder that is easiest to embed into a React or Next.js application, **FormEngine** stands out due to its emphasis on \"effortless integration\" and its JSON-driven form rendering. Other strong contenders that offer straightforward embedding include form builders that generate \"copy-paste ready code\" and libraries like **React Hook Form** for programmatic form buil","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":74,"end":79,"name":"React"},{"start":106,"end":116,"name":"FormEngine"},{"start":356,"end":371,"name":"React Hook Form"}]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"alternatives","excerpt":"For users seeking to avoid the per-response pricing models of expensive hosted form platforms, several robust open-source alternatives offer self-hosting capabilities, providing greater control over data and costs. These platforms allow you to deploy and manage your forms on your own infrastructure, eliminating usage-based fees.\n\nHere are some prominent open-source, self-hosted form and survey bui","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"comparison","excerpt":"Choosing between a self-hosted form builder and a hosted Software-as-a-Service (SaaS) form tool depends heavily on an organization's specific needs, technical capabilities, and priorities. Self-hosting generally makes sense when control, privacy, extensive customization, and cost-effectiveness at scale are paramount.\n\n### When Self-Hosting Makes Sense\n\nSelf-hosting a form builder means you install","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"problem_solving","excerpt":"Building and self-hosting your own online forms allows you to avoid per-submission fees, gain full control over your data, and often achieve greater customization. This approach typically involves using open-source form builders that you deploy on your own server infrastructure.\n\n### Benefits of Self-Hosting\n\n*   **No per-submission fees:** Unlike many Software-as-a-Service (SaaS) form builders th","excerpt_withheld":false,"withheld_reason":null,"highlights":[]}]},{"engine":"openai","count":7,"withheld":false,"answers":[{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For a self-hosted lead-capture form builder, I’d shortlist these:\n\n- HeyForm — best overall for lead-gen. Modern, Typeform-like UX, conditional logic, redirects, webhooks, analytics, CSV export, custom CSS, and integrations. It’s actively maintained and AGPL-3.0; its latest GitHub prerelease was published May 15, 2026. ([github.com](https://github.com/heyform/heyform?utm_source=openai))\n- Formbric","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":69,"end":76,"name":"HeyForm"},{"start":114,"end":122,"name":"Typeform"},{"start":354,"end":361,"name":"HeyForm"},{"start":362,"end":369,"name":"HeyForm"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For an enterprise that specifically needs self-hosting plus HIPAA/GDPR controls, my shortlist in 2026 would be Form.io, SurveyJS, and Formbricks. They target somewhat different use cases.\n\n- Form.io — best overall for regulated enterprise applications. It can run the forms infrastructure inside your own AWS/Azure/GCP environment or data center, with form building, submission handling, generated AP","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":111,"end":118,"name":"Form.io"},{"start":120,"end":128,"name":"SurveyJS"},{"start":134,"end":144,"name":"Formbricks"},{"start":191,"end":198,"name":"Form.io"},{"start":305,"end":308,"name":"AWS"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":"If your goal is “replace Typeform/Jotform/Google Forms, but keep the application and response data on infrastructure I control,” I’d shortlist three projects.\n\n- Formbricks — my default pick. It has a polished modern builder, link forms, embedded/in-app surveys, file uploads, webhooks/integrations, analytics, and unlimited forms/responses in the open-source core. Self-hosting is officially support","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":25,"end":33,"name":"Typeform"},{"start":34,"end":41,"name":"Jotform"},{"start":42,"end":54,"name":"Google Forms"},{"start":162,"end":172,"name":"Formbricks"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":"If you're embedding the form builder inside an existing React/Next.js UI, I'd pick Form.io.","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":56,"end":61,"name":"React"},{"start":83,"end":90,"name":"Form.io"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"alternatives","excerpt":"Yes. If the problem is “Typeform/Jotform/Fillout/etc. gets expensive once response volume grows,” self-hosted open source is a good fit because your marginal cost becomes mostly compute, database, storage, and email rather than a charge for every submission.\n\nThe projects I’d look at first:\n\n- OpnForm — probably the best general-purpose starting point. Modern UI, no-code builder, embeds, file uplo","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":24,"end":32,"name":"Typeform"},{"start":33,"end":40,"name":"Jotform"},{"start":295,"end":302,"name":"OpnForm"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"comparison","excerpt":"Self-hosting a form builder makes sense when control, compliance, integration depth, or economics outweigh the operational convenience of a hosted SaaS tool. For many teams, SaaS is the better default; self-hosting tends to become attractive under specific constraints.\n\nA useful comparison:\n\n- Data ownership/privacy: Self-hosting is compelling when form submissions contain sensitive customer, empl","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"problem_solving","excerpt":"Yes. The basic idea is to replace Typeform/Jotform/Formspree-style per-response pricing with software running on infrastructure you control. Then your practical limit is your server/database capacity rather than a submission quota.\n\nTwo good approaches:\n\n- Formbricks — probably the place I'd start if you want a polished, ready-made system. It's open-source/self-hostable, supports Docker, and its c","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":34,"end":42,"name":"Typeform"},{"start":43,"end":50,"name":"Jotform"},{"start":51,"end":60,"name":"Formspree"},{"start":257,"end":267,"name":"Formbricks"}]}]},{"engine":"perplexity","count":7,"withheld":true,"answers":[{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"alternatives","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"comparison","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"problem_solving","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]}]}]}