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xmartlabs/Eureka

Elegant iOS form builder in Swift for creating complex forms and validations.

11.8K
Archived
Swift
Component Libraries (iOS)
Swift
#ios#swift#forms

typestack/class-validator

A TypeScript library for decorator-based property validation in classes.

11.7K
Stable
TypeScript
API Clients & Testing
TypeScript
#decorators#typescript#validation

egulias/EmailValidator

A PHP library for validating email addresses, useful for web applications and APIs.

11.6K
Experimental
PHP
API Frameworks
PHP
#email#validation#php

cleanlab/cleanlab

An open-source library for data-centric AI with tools for data quality and machine learning on messy, real-world data.

11.4K
Active
Python
Data Quality
Python
#data-centric-ai#data-quality#data-cleaning

logaretm/vee-validate

Vee-validate is a painless Vue.js form validation library that simplifies form handling and validation.

11.2K
Active
TypeScript
Component Libraries (Vue/Svelte)
Vue
#form#form-validation#validation

apple/pkl

A configuration as code language with rich validation and tooling for Java, Kotlin, and other JVM languages.

11.1K
Active
Java
CLI Tools
#configuration#validation#java

krallin/tini

A tiny but valid init system for containers, useful for Docker and other container runtimes.

11.0K
Experimental
C
Containerization
#docker#init#linux

jquery-validation/jquery-validation

jQuery Validation Plugin library sources for inline validation on web forms.

10.3K
Active
JavaScript
Component Libraries (jQuery)
jQuery
#inline-validation#form-validation#jquery-plugin

FluentValidation/FluentValidation

A popular .NET validation library for building strongly-typed validation rules.

9.7K
Stable
C#
API Frameworks
#authentication#validation#fluent-api

yiminghe/async-validator

Asynchronous form validation library for TypeScript

9.1K
Archived
TypeScript
AI Code Editors
MCP Frameworks
React
#validation#async#form

arasatasaygin/is.js

is.js is a micro check library for JavaScript, providing a wide range of utilities for type checking and validation.

9.1K
Archived
JavaScript
Validation
General Utilities
JavaScript
#type-checking#validation#utility-library

guillaumepotier/Parsley.js

Parsley.js is a simple, lightweight, and powerful JavaScript form validation library.

9.0K
Archived
JavaScript
Component Libraries (React)
Frontend Frameworks
React
#form-validation#frontend#ui-components

open-metadata/OpenMetadata

A unified metadata platform for data discovery, data observability, and data governance.

8.8K
Active
TypeScript
Data Catalog
Data Governance
TypeScript
#data-discovery#data-lineage#data-quality

cakephp/cakephp

A popular PHP web application framework for rapid development of web applications.

8.8K
Active
PHP
Full-Stack Frameworks
API Frameworks
PHP
#mvc#orm#rapid-development

open-circle/valibot

A modular and type-safe schema library for validating structural data, focused on developer productivity.

8.5K
Active
TypeScript
API Clients & Testing
CLI Tools
TypeScript
#type-safe#modular#schema

reacherhq/check-if-email-exists

A Rust library and HTTP backend for validating email addresses without sending any emails.

8.4K
Active
Rust
Email & Notifications
API Clients & Testing
#email#email-validation#email-verification

jackocnr/intl-tel-input

A JavaScript plugin for entering and validating international telephone numbers with React, Vue, Angular and Svelte components.

8.2K
Active
JavaScript
Component Libraries (React)
Component Libraries (Vue/Svelte)
React
#formatting#input#international-telephone

malcommac/SwiftDate

SwiftDate is a toolkit for parsing, validating, manipulating, comparing, and displaying dates, time, and timezones in Swift.

7.7K
Archived
Swift
Date & Time
#date#date-formatting#date-time

webmozarts/assert

Utility library with assertions to validate method input/output with nice error messages.

7.6K
Active
PHP
Testing
PHP
#assertions#testing#validation

arktypeio/arktype

A TypeScript library for runtime type validation, optimized for editor-to-runtime performance.

7.6K
Active
TypeScript
API Clients & Testing
Linters & Formatters
TypeScript
#typescript#parsing#runtime-typechecking
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