Here is a list of some validation libraries used for the Javascript ecosystem that I've come across and used.
| Name | Comments |
|---|---|
| validator.js | A general purpose string validator |
| Zod | Validate based on defined schemas |
| Joi | Validate based on defined schemas |
| Ajv JSON schema validator | Validate based on defined schemas |
| yup | Validate based on defined schemas |
| superstruct | How do they differentiate from the rest? |
| express-validator | To be used as Express.js middlewares |