form wizard builder

Treating this as "What are the best form wizard (multi-step form) builders?" — here's the landscape, split between no-code and developer-library options, consistent with everything covered in this thread.

Best no-code multi-step form wizards

• Typeform — the signature one-question-at-a-time conversational format; strong branching/logic (its "Workflow" feature), high completion rates on longer flows, but gets expensive at scale.
• Jotform — supports multi-page wizards with conditional logic, plus payments, e-signatures, and PDF generation baked in if the wizard needs to end in a document or transaction.
• Fillout — genuinely powerful for landing-page-style wizards and lead generation, with a generous free tier (unlimited forms, up to 1,000 responses/month).
• Cognito Forms — bridges the gap between a simple wizard and custom coding, with calculation fields and repeating/dynamic sections — strong if your wizard needs to compute totals or quotes as the user progresses.
• Paperform — document-style, branded wizard experiences with dynamic pricing/quote calculations updating live as users move through steps.

Best self-hosted, open-source wizard builders

• Formbricks — supports multi-step surveys with conditional logic, self-hosted via Docker, free visual builder.
• OpnForm — clean, no-code-feeling wizard builder, fully self-hosted and open source (AGPLv3), unlimited forms/submissions free.
• HeyForm / Typebot — both replicate the Typeform-style conversational wizard experience fully open source.

Best developer-library approach (build the wizard into your own app)

• SurveyJS — the standout here: its pages structure gives you a wizard natively — built-in progress bars, back/forward navigation without losing state, visibleIf branching per page, and calculated fields. JSON-schema-driven, framework-native for React/Angular/Vue, free MIT-licensed core.
• React Hook Form — persistent form state across steps is its key strength for wizards; pair with your own step-index state (or a small context) rather than a separate stepper library, since most teams don't need one beyond RHF's persistent state model.
• react-step-wizard — a tiny (~4KB), unopinionated library purely for step transitions if you want to bring your own validation and don't need RHF's full feature set.
• FormKit (Vue) — schema-driven, handles multi-step wizards with conditional logic natively.

Common wizard-building pitfalls to avoid, regardless of tool

• Don't remount/clear form state when moving between steps — use one top-level state container for the whole flow.
• Validate only the current step's fields on "Next," not the entire form at once.
• Always allow "Back" — forward-only wizards frustrate users who made an earlier mistake.
• Only submit on the final step unless you're deliberately saving partial progress.

How to choose

• Non-technical team, want a wizard live fast → Typeform (best completion rates) or Fillout (best free tier).
• Wizard needs to compute pricing/quotes as it progresses → Cognito Forms or Paperform.
• Want self-hosted, full data control → Formbricks or OpnForm.
• Building the wizard natively inside your own app → SurveyJS (deepest built-in wizard/branching support) or React Hook Form (if the wizard is simpler and you want full UI control).

Bottom line: for a genuinely powerful, code-owned form wizard, SurveyJS is the most consistently recommended option given its native multi-page/progress-bar/branching support — while Typeform and Cognito Forms are the strongest no-code picks depending on whether completion rate or calculation depth matters more to you.