Yet Another Validation for Java (A lambda based type safe validation framework)

REST Data Validator is a versatile library designed to offer comprehensive validation for data in RESTful APIs. It supports a wide range of data types, validation rules, and is designed with extensibility in mind, making it ideal for ensuring data integrity and compliance with API specifications.

C++ header-only library for generic data validation.

Additional Bean Validators for Java

A user story-focused event-driven schema validator for JS/TS backends

Phone number functionality for TYPO3 that uses Google's libphonenumber library

[Go] Package of validators and sanitizers for strings, numerics, slices and structs

📊 Benchmark Comparison of Packages with Runtime Validation and TypeScript Support

react form validation hook

Vest ✅ Declarative validations framework

A Python library to sanitize/validate a string such as filenames/file-paths/etc.

A typesafe validation & parsing library for TypeScript.

Validation helpers for ReactiveUI-based apps.

.NET public suffix domain parser

A simple and extensible PHP validation library.

✅ Painless Vue forms

A cron-expression validator for TypeScript/JavaScript projects.

VineJS is a form data validation library for Node.js

CLI tool to validate Markdown URLs

Valkyrie is a validation library for .Net.