1.lycheeverse / lychee
⚡ Fast, async, stream-based link checker written in Rust. Finds broken URLs and mail addresses inside Markdown, HTML, reStructuredText, websites and more!
+542 stars
from 3,535 · score 6.30
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
18 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
2.open-circle / valibot
The modular and type safe schema library for validating structural data 🤖
+509 stars
from 8,545 · score 6.23
3.ajv-validator / ajv
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
+219 stars
from 14,649 · score 5.39
4.alibaba / formily
📱🚀 🧩 Cross Device & High Performance Normal Form/Dynamic(JSON Schema) Form/Form Builder -- Support React/React Native/Vue 2/Vue 3
+159 stars
from 12,430 · score 5.08
5.typestack / class-validator
Decorator-based property validation for classes.
+134 stars
from 11,719 · score 4.91
6.KhronosGroup / glslang
Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator.
+122 stars
from 3,487 · score 4.81
7.Respect / Validation
The most awesome validation engine ever created for PHP
+118 stars
from 5,917 · score 4.78
8.validatorjs / validator.js
String validation
+99 stars
from 23,647 · score 4.61
9.go-ozzo / ozzo-validation
An idiomatic Go (golang) validation package. Supports configurable and extensible validation rules (validators) using normal language constructs instead of error-prone struct tags.
+88 stars
from 4,067 · score 4.49
10.NaturalIntelligence / fast-xml-parser
Validate XML, Parse XML and Build XML rapidly without C/C++ based libraries and no callback.
+83 stars
from 3,057 · score 4.43
11.logaretm / vee-validate
✅ Painless Vue forms
+63 stars
from 11,197 · score 4.16
12.egulias / EmailValidator
PHP Email address validator
+46 stars
from 11,593 · score 3.85
13.gookit / validate
⚔ 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。
+45 stars
from 1,120 · score 3.83
14.MobilityData / gtfs-validator
Canonical GTFS Validator project for schedule (static) files.
+36 stars
from 397 · score 3.61
15.vlucas / valitron
Valitron is a simple, elegant, stand-alone validation library with NO dependencies
+10 stars
from 1,588 · score 2.40
16.Liberty-liu / Everright-formEditor
:guide_dog: Powerful lowcode|vue form editor,generator,designer,builder library. It provides an easy way to create custom forms. The project is extensible, easy to use and configure, and provides many commonly used form components and functions(vue可视化低代码表单设计器、表单编辑器、element-plus vant表单设计)
+7 stars
from 505 · score 2.08
17.thedevsaddam / govalidator
Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.
+5 stars
from 1,339 · score 1.79
18.sinanbozkus / FormHelper
ASP.NET Core - Transform server-side validations to client-side without writing any javascript code. (Compatible with Fluent Validation)
+2 stars
from 287 · score 1.10