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Repositories in this selection 45 · UTC 2026-11-03
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1—Rreact-hook-form / react-hook-form📋 React Hooks for form state management and validation (Web + React Native)TypeScriptMIT · PermissiveInsufficient rank history44,8982,513——2026-11-01
2—Ppydantic / pydanticData validation using Python type hintsPythonMIT · PermissiveInsufficient rank history29,2773,120——2026-11-02
3—Vvalidatorjs / validator.jsString validationJavaScriptMIT · PermissiveInsufficient rank history23,7442,543——2026-09-11
4—Hhapijs / joiThe most powerful data validation library for JSJavaScriptNOASSERTION · Restricted / unknownInsufficient rank history21,1651,529——2026-10-28
5—Ggo-playground / validator:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array divingGoMIT · PermissiveInsufficient rank history20,2151,484——2026-11-02
6—5567-labs / instructorstructured outputs for llmsPythonMIT · PermissiveInsufficient rank history14,0921,353——2026-10-26
7—Rredux-form / redux-formA Higher Order Component using react-redux to keep form state in a Redux storeJavaScriptMIT · PermissiveInsufficient rank history12,4721,613——2024-06-13
8—Ttypestack / class-validatorDecorator-based property validation for classes.TypeScriptMIT · PermissiveInsufficient rank history11,853845——2026-03-25
9—Aapple / pklA configuration as code language with rich validation and tooling.JavaApache-2.0 · PermissiveInsufficient rank history11,555417——2026-11-02
10—Llogaretm / vee-validate✅ Painless Vue formsTypeScriptMIT · PermissiveInsufficient rank history11,2591,295——2026-03-04
11—Oopen-circle / valibotThe modular and type safe schema library for validating structural data 🤖TypeScriptMIT · PermissiveInsufficient rank history9,050409——2026-10-31
12—Ccakephp / cakephpCakePHP: The Rapid Development Framework for PHP - Official RepositoryPHPMIT · PermissiveInsufficient rank history8,7893,352——2026-11-02
13—Jjackocnr / 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 history8,2551,991——2026-10-31
14—Ffinal-form / react-final-form🏁 High performance subscription-based form state management for ReactJavaScriptMIT · PermissiveInsufficient rank history7,438494——2026-05-30
15—Mmarshmallow-code / marshmallowA lightweight library for converting complex objects to and from simple Python datatypes.PythonMIT · PermissiveInsufficient rank history7,245779——2026-11-03
16—Iianstormtaylor / superstructA simple and composable way to validate data in JavaScript (and TypeScript).TypeScriptMIT · PermissiveInsufficient rank history7,127224——2024-10-01
17—Vvuelidate / vuelidateSimple, lightweight model-based validation for Vue.jsJavaScriptMIT · PermissiveInsufficient rank history6,862480——2025-06-10
18—Ggcanti / io-tsRuntime type system for IO decoding/encodingTypeScriptMIT · PermissiveInsufficient rank history6,810319——2024-12-10
19—Ccue-lang / cueThe home of the CUE language! Validate and define text-based and dynamic configurationGoApache-2.0 · PermissiveInsufficient rank history6,300374——2026-10-30
20—Eexpress-validator / express-validatorAn express.js middleware for validator.js.TypeScriptMIT · PermissiveInsufficient rank history6,233626——2026-10-03
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