1603 Open source projects that are alternatives of or similar to Maat

The Validator component provides tools to validate values following the JSR-303 Bean Validation specification.

Simple request message validator for grpc.aspnet

A serialization/deserialization/validation library for strings, mappings and lists.

OASIS TC Open Repository: Validator for STIX 2.0 JSON normative requirements and best practices

Validate and sanitize arrays and objects.

Here is a schema checker which can return well typed results. Tell your friends!

Efficient CBOR and JSON (de)serialization in Scala

Alibaba Group Unified Form Solution -- Support React/ReactNative/Vue2/Vue3

A fast Java JSON schema validator that supports draft V4, V6, V7 and V2019-09

Custom error messages in JSON-Schema for Ajv

Use 'Another Json Validator' (ajv) from the command line

Go语言的数据过滤包，由 数据输入、格式化、校验、输出 几个部份组成。

A tool to validate text inside TextInputLayout

A small, zero dependency NZ bank account validation library that runs everywhere.

Yet another validation lib ;). Provides tools for general-purpose variable validation, function inputs/outputs validation as well as class fields validation. All entry points raise consistent ValidationError including all contextual details, with dynamic inheritance of ValueError/TypeError as appropriate.

🦉 Validate Thai Citizen ID with 0 dependencies 🇹🇭

Server-Side Validation Library for PHP

SpaceAPI JSON schema files.

Python script to validate data in Excel files

An implementation of the JSON Schema specification for Python

A library and command line interface for formatting and linting Dockerfiles.

⚔ Go package for data validation and filtering. support Map, Struct, Form data. Go通用的数据验证与过滤库，使用简单，内置大部分常用验证、过滤器，支持自定义验证器、自定义消息、字段翻译。

A simple JavaScript validation library that doesn't interfere

⁉️轻量级的 JavaScript 表单验证，字符串验证。没有依赖，支持 UMD ，~3kb。

String validation

Decorator-based property validation for classes.

Convert class-validator-decorated classes into JSON schema

Validate XML, Parse XML to JS/JSON and vise versa, or parse XML to Nimn rapidly without C/C++ based libraries and no callback

Implementation of a lock-free dictionary on .Net.

Micro check library in Golang.

Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.

Multi-protocol, machine-readable specifications for financial services

A simple (but correct) library for validating email addresses. Supports mail addresses as defined in rfc5322 as well as the new Internationalized Mail Address standards (rfc653x). Based on https://github.com/jstedfast/EmailValidation

Policy Object Pattern

Validot is a performance-first, compact library for advanced model validation. Using a simple declarative fluent interface, it efficiently handles classes, structs, nested members, collections, nullables, plus any relation or combination of them. It also supports translations, custom logic extensions with tests, and DI containers.

A low-level, lightweight protocol buffers implementation in JavaScript.

Another JSON Schema validator, simple & flexible & intuitive.

High performance contract-less binary serializer for .NET

A small macro language for producing and manipulating strings.

Saudi-ID-Validator (Swift, Kotlin, Java, Go, JS, Python, TypeScript, PHP, Scala, ruby, c#, vb, SQL)

An XDP firewall that is capable of filtering specific packets based off of filtering rules specified in a config file. IPv6 is supported!

A free, open source, cross-platform, Chinese-To-English dictionary for desktops.

SQL DDL to JSON Schema Converter

Search the duden.de German dictionary from Alfred. With auto-suggest.

The 134,000+ words and their pronunciations in the CMU pronouncing dictionary

Fastest Framework for NodeJS. Written in pure ES6+

Hprose for ActionScript 3.0

Persianize is set of nodejs tools for validating and converting data to correct Persian.

Simple C++ 20 Serialization Library that works out of the box with aggregate types!

JSON/CJSON/JSON5 parser, syntax & schema validator and pretty-printer with a command-line client, written in pure JavaScript.

Faster and enjoyable ZSH (maybe) !!!

A validation library for PHP that uses the notification pattern

Package to validate a vat id via the api of the european union (vies)

Laravel 5 HAL+JSON API Transformer Package

Plugin for Bookshelf.js supporting advanced serialization behavior

A protoc compiler plugin for Clojure applications

Lightning fast hash functions using hand-tuned WebAssembly binaries

Behavior specification for Gavel, validator of HTTP transactions

A set of .NET libraries for building enterprise level solutions quickly

JSON parser/encoder "type spec"-based code-generator