SiteUI Components & Libraries · Forms & inputs
Open-source form and survey builder with conditional logic, calculated fields, custom domains and self-hosting.
Why it’s a gem
Self-hostable Typeform replacement with no response caps — clean client hand-off
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.