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45 repositories · updated 2026-11-06
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1react-hook-form / react-hook-form📋 React Hooks for form state management and validation (Web + React Native)TypeScriptMIT · PermissiveInsufficient rank history44,906
2pydantic / pydanticData validation using Python type hintsPythonMIT · PermissiveInsufficient rank history29,319
3validatorjs / validator.jsString validationJavaScriptMIT · PermissiveInsufficient rank history23,743
4hapijs / joiThe most powerful data validation library for JSJavaScriptLicense not declaredInsufficient rank history21,164
5go-playground / validator:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array divingGoMIT · PermissiveInsufficient rank history20,215
6567-labs / instructorstructured outputs for llmsPythonMIT · PermissiveInsufficient rank history14,099
7redux-form / redux-formA Higher Order Component using react-redux to keep form state in a Redux storeJavaScriptMIT · PermissiveInsufficient rank history12,473
8typestack / class-validatorDecorator-based property validation for classes.TypeScriptMIT · PermissiveInsufficient rank history11,853
9apple / pklA configuration as code language with rich validation and tooling.JavaApache-2.0 · PermissiveInsufficient rank history11,560
10logaretm / vee-validate✅ Painless Vue formsTypeScriptMIT · PermissiveInsufficient rank history11,256
11open-circle / valibotThe modular and type safe schema library for validating structural data 🤖TypeScriptMIT · PermissiveInsufficient rank history9,053
12cakephp / cakephpCakePHP: The Rapid Development Framework for PHP - Official RepositoryPHPMIT · PermissiveInsufficient rank history8,789
13jackocnr / intl-tel-inputFor entering, formatting, and validating international telephone numbers. Available in vanilla JavaScript, or as React, Vue, Angular, and Svelte components.TypeScriptMIT · PermissiveInsufficient rank history8,255
14final-form / react-final-form🏁 High performance subscription-based form state management for ReactJavaScriptMIT · PermissiveInsufficient rank history7,438
15marshmallow-code / marshmallowA lightweight library for converting complex objects to and from simple Python datatypes.PythonMIT · PermissiveInsufficient rank history7,243
16ianstormtaylor / superstructA simple and composable way to validate data in JavaScript (and TypeScript).TypeScriptMIT · PermissiveInsufficient rank history7,126
17vuelidate / vuelidateSimple, lightweight model-based validation for Vue.jsJavaScriptMIT · PermissiveInsufficient rank history6,862
18gcanti / io-tsRuntime type system for IO decoding/encodingTypeScriptMIT · PermissiveInsufficient rank history6,810
19cue-lang / cueThe home of the CUE language! Validate and define text-based and dynamic configurationGoApache-2.0 · PermissiveInsufficient rank history6,314
20express-validator / express-validatorAn express.js middleware for validator.js.TypeScriptMIT · PermissiveInsufficient rank history6,231
