About FormKit

FormKit is an open source form-authoring framework for Vue 3 and Nuxt 3 that simplifies building complex forms with a single component architecture. It includes input scaffolding, 20+ built-in validation rules, schema-based form generation from JSON, theming support, internationalization, and accessibility out of the box. FormKit Pro adds premium inputs like autocomplete, datepicker, and repeater fields.

Pros & Cons

Pros

Dramatically reduces form boilerplate in Vue projects
Excellent developer experience with single-component API
Schema-based generation enables dynamic forms from JSON
Strong accessibility and i18n support out of the box
Active open source community with regular updates

Cons

Key Features

Single component architecture for

Single component architecture for all input types

20+ built-in validation rules

JSON schema-based form generation

Theming with Tailwind, Genesis,

Theming with Tailwind, Genesis, or custom CSS

Full internationalization support

Accessibility-first design

Multi-step wizard and nested

Multi-step wizard and nested group support

Vue 3 and Nuxt

Vue 3 and Nuxt 3 compatible

Pricing

Open Source

Free

All core inputs
Validation engine
Schema generation
Theming & i18n
Accessibility built-in

Featured In

#6

7 Best Open-Source Form Builders for Developers (2026)

Best for Vue.js and Nuxt developers who want to eliminate form boilerplate with a single-component, schema-driven approach — the most ergonomic form DX in the Vue ecosystem.

FormKit