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Protocol Buffers - Google's data interchange format
CakePHP: The Rapid Development Framework for PHP - Official Repository
A Higher Order Component using react-redux to keep form state in a Redux store
Object schema validation
The most awesome validation engine ever created for PHP
A jQuery plugin for entering and validating international telephone numbers
A Swift framework for parsing, formatting and validating international phone numbers. Inspired by Google's libphonenumber.
A lightweight library for converting complex objects to and from simple Python datatypes.
Language-agnostic HTTP API Testing Framework
Simple, lightweight model-based validation for Vue.js
:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving