* [International Telephone Input v26.8.0](https://github.com/jackocnr/intl-tel-input) – JavaScript plugin for entering and validating international telephone numbers with features like country detection and number formatting.

* [CUE v0.16.0](https://github.com/cue-lang/cue) – Tool for validating data, writing schemas, and ensuring configuration compliance with policies.

* [class-validator v0.15.0](https://github.com/typestack/class-validator) – Decorator and non-decorator based property validation library for classes supporting browser and Node.js.

* [Superforms v2.30.0](https://github.com/ciscoheat/sveltekit-superforms) – SvelteKit form library with server/client validation, type coercion, nested data support, and progressive enhancement.

* [React Hook Form v7.71.2](https://github.com/react-hook-form/react-hook-form) – Library for managing form state and validation using React Hooks.

* [CreditCardValidations v8.0.0](https://github.com/didww/credit_card_validations) – Ruby gem that validates credit card numbers, generates valid numbers, and performs Luhn checks.

* [Formkit - Primevue v3.3.0](https://github.com/sfxcode/formkit-primevue) – PrimeVue-based FormKit inputs and outputs for configuration-driven forms with validation.

* [GoValidator v2.2.0](https://github.com/rezakhademix/govalidator) – Type-safe Golang validator that sanitizes and validates data without struct tags, type assertions, or reflection.

* [MobX React Form v6.12.4](https://github.com/foxhound87/mobx-react-form) – Reactive form state management library based on MobX.

* [installed-check v10.0.1](https://github.com/voxpelli/node-installed-check) – Verifies installed modules comply with package.json version, peer dependency and engine ranges, including workspace and parent-workspace checks.

* [protoc-gen-validate (PGV) v1.3.3](https://github.com/bufbuild/protoc-gen-validate) – Protoc plugin generating message validators from proto field annotations for multiple languages.

* [JSON Schema Validator for Go v0.7.5](https://github.com/kaptinlin/jsonschema) – High-performance Go JSON Schema Draft 2020-12 validator with direct struct validation, smart unmarshaling, defaults, multi-language errors, and a separated validation workflow.

* [creditcard.js v3.0.52](https://github.com/ContaAzul/creditcard.js) – Simple JavaScript library for validating credit card numbers and details.