Framework-agnostic type-safe form engine — typed field trees, sync/async/cross-field validation, drafts and undo/redo over a minimal reactive contract.

A powerful TypeScript schema validation with advanced conditional logic, cross-field validation, and static type inference.

A couple of utils that allows to convert json schema to yup schema and validate data against it. Core features: cross-field validation, internationalization

A lightweight, flexible React validation hook with cross-field validation and powerful rule engine

React Form Component

Wrap zod validation errors in user-friendly readable messages

Form component and utils for easy form validation in remix

Cross platform child_process#spawn and child_process#spawnSync

Conform view adapter for react

JS client for DatoCMS REST Content Management API

A set of opinionated helpers built on top of the Constraint Validation API

Conform helpers for integrating with Zod

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

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS

Universal WHATWG Fetch API for Node, Browsers and React Native

Schema for data modeling & validation

Store localized fields in an array to save on attributes

Schema/draft model layer for settings editors: rehydrates a serialized schemastery schema, validates drafts, and edits them immutably by path

Run scripts that set and use environment variables across platforms

Painless forms for Vue.js