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moment/moment

JavaScript date library for parsing, validating, and formatting dates.

48.1K
Archived
JavaScript
Date & Time
#date#time#javascript

react-hook-form/react-hook-form

React Hook for form state management and validation

44.6K
Active
TypeScript
Component Libraries (React)
Testing
React
#react#typescript#form-validation

colinhacks/zod

TypeScript-first schema validation with static type inference

42.0K
Active
TypeScript
API Clients & Testing
BaaS Platforms
Next.js
#zod#typescript#schema-validation

blueimp/jQuery-File-Upload

File upload widget for jQuery with drag&drop, progress bars, and cross-domain support

30.8K
Archived
PHP
Component Libraries (React)
jQuery
#file-upload#jquery#drag-and-drop

pydantic/pydantic

Data validation using Python type hints for developers

27.1K
Active
Python
Linters & Formatters
Python
#pydantic#data-validation#python

validatorjs/validator.js

String validation and sanitization library for JavaScript

23.8K
Active
JavaScript
Validation
Node.js
#javascript#validation#sanitization

jquense/yup

Runtime validation and parsing for JavaScript/TypeScript objects

23.7K
Active
TypeScript
Validation
#validation#schema#typescript

hapijs/joi

Powerful data validation for JavaScript

21.2K
Stable
JavaScript
Validation
JavaScript
#data-validation#javascript#schema

go-playground/validator

Struct and field validation for Go with cross-field and custom rules

19.8K
Active
Go
Validation
Go
#go#validation#error-handling

nosir/cleave.js

A JavaScript library for formatting input text content with masks and validations, useful for building user interfaces.

17.9K
Archived
JavaScript
Component Libraries (React)
React
#input-formatting#input-validation#masking

google/libphonenumber

A common library for parsing, formatting, and validating international phone numbers in Java, C++, and JavaScript.

17.9K
Active
C++
API Clients & Testing
#phone-numbers#international#parsing

rjsf-team/react-jsonschema-form

A React component for building Web forms from JSON Schema.

15.7K
Active
TypeScript
Component Libraries (React)
React
#authentication#streaming#real-time

OthmanAdi/planning-with-files

A Python library for implementing a Manus-style persistent markdown planning workflow for AI-powered developers.

15.3K
Active
Python
AI Code Editors
langchain
#agent#cli#file-system

pydantic/pydantic-ai

A framework for building AI agents using Pydantic, a powerful data validation library for Python.

15.3K
Active
Python
LLM Frameworks
#agent-framework#genai#llm

ajv-validator/ajv

A fast and feature-rich JSON schema validator with support for the latest JSON Schema drafts.

14.6K
Active
TypeScript
API Clients & Testing
#json-schema#typescript#validator

alibaba/formily

A high-performance, cross-device form and dynamic form builder library for React, React Native, Vue 2, and Vue 3 applications.

12.6K
Experimental
TypeScript
Component Libraries (React)
React
#form-builder#json-schema#low-code

redux-form/redux-form

A higher-order component that keeps form state in a Redux store for React applications.

12.5K
Archived
JavaScript
Component Libraries (React)
React
#form#form-validation#react

567-labs/instructor

A Python library for generating structured outputs from language models like OpenAI's GPT-3.

12.5K
Active
Python
LLM Wrappers & SDKs
#openai#prompt-engineering#pydantic

josdejong/jsoneditor

A web-based tool to view, edit, format, and validate JSON data, useful for developers working with JSON.

12.2K
Active
JavaScript
Component Libraries (React)
React
#json#editor#viewer

hadolint/hadolint

Hadolint is a Dockerfile linter written in Haskell that helps developers validate their Docker files.

12.0K
Active
Haskell
Linters & Formatters
#dockerfile#linter#static-analysis
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