TypeScript-first schema validation with static type inference

The modular and type safe schema library for validating structural data 🤖

Go with Zod inspired simple schema validation

✅ A collection of practical TypeScript patterns that improve safety, readability, maintainability, and developer experience.

🤠🧨 The mighty 400-byte schema validator for TS / JS

Static type and runtime validation for navigating routes in NextJS App Router with Zod schemas

Transform TypeScript types to io-ts runtime validator codecs

Blazing fast input validation and transformation ⚡

`refined_type` is a library that facilitates type composition, enabling the simple description of efficient validation processes and high runtime safety.

Valype = Validate + Type. Automatically generates runtime validators from TypeScript type definitions with unplugin integration.

🛡️ Zod for Godot Data Validation

Lightweight DataFrame validation decorators for Pandas, Polars, Modin, and PyArrow. No custom types required.

Foundational tools for BCG X's data science packages.

JSON object validation for typescript

Typesafe front matter

Runtime validation for Python modules. Enforce compliant environments, prevent unsafe imports.

Framework for building modular, type-safe and documented backends.

Ship production-ready schemas with Zod Toolkit. 🚀

A Reactive Typescript and Javascript Object modeling and data integrity framework

A powerful, flexible schema definition and validation library for Elixir, inspired by Python's Pydantic.