1.open-circle / valibotThe modular and type safe schema library for validating structural data 🤖bundle-sizemodularparsingschematype-safetypescript+8 moreTypeScriptMIT9.1K total407 forks+6 starsfrom 9,048 · score 1.95
2.ajv-validator / ajvThe fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)json-schemavalidatorajvTypeScriptMIT15K total1.1K forks+4 starsfrom 14,864 · score 1.61
3.typestack / class-validatorDecorator-based property validation for classes.validationvalidatordecoratorstypescriptTypeScriptMIT12K total845 forks+3 starsfrom 11,850 · score 1.39
4.alibaba / formily📱🚀 🧩 Cross Device & High Performance Normal Form/Dynamic(JSON Schema) Form/Form Builder -- Support React/React Native/Vue 2/Vue 3reactjson-schemaformvalidatorobservablereactive+13 moreTypeScriptMIT13K total1.6K forks+2 starsfrom 12,587 · score 1.10