SiteUI Components & Libraries · Forms & inputs
Open-source conversational form builder with branching logic, AI form generation and 30+ templates.
Why it’s a gem
Bootstrapped, genuinely open-source Typeform alternative with the one-question-at-a-time UX
Input that tokenises multiple email addresses as the user types, validating and chipping each one.
Headless, type-safe form state management with async validation, field-level subscriptions and adapters for eight frameworks.
Vanilla JS input masking supporting pattern, number, date, regex and dynamic masks, with official React, Vue, Svelte and Solid bindings.
Resume builder built on React Hook Form and react-pdf, usable as a reference implementation for complex nested forms.
Visual builder that generates type-safe React Hook Form and Zod code from a drag-and-drop form layout.
Ten-chapter book of accessible, progressively-enhanced form patterns for registration, checkout, booking, filtering and upload.