General purpose validation library for JavaScript

Type-safe lenses for React Hook Form that enable precise control over nested form state. Build reusable form components with composable operations, array handling, and full TypeScript support.

NestJS middleware for handling multipart/form-data, which is primarily used for uploading files

A form input builder and validator for React

Umbraco UI form-validation-message component

⚛️ 💼 React hooks for managing form state and lifecycle

Core validator component for react forms.

Simple validator for forms designed with material-ui v1/v3/v4/v5 components.

React module of JSON Forms

MessageFormat CLI

React Form Renderer. Data Driven Forms converts JSON form definitions into fully functional React forms.

Form data validation library for Node.js

Wrap zod validation errors in user-friendly readable messages

Encode FormData content into the multipart/form-data format

An easy way to validate forms using back end logic

An extensible form library for Svelte

Painless forms for Vue.js

This package provides the core HTTP request orchestration, response handling, and API call coordination.

A free MIT-licensed React UI component that renders dynamic, interactive JSON-based forms and surveys. You can use it to collect responses from users and send them to your own database.

Decorator-based property validation for classes.