So you can only focus on building your product.
TanStack Query (FKA React Query) it makes fetching, caching, synchronizing and updating server state in your web applications a breeze.
NextAuth.js is a complete open-source authentication solution for Next.js applications.
Performant, flexible and extensible forms with easy-to-use validation. and TypeScript-first schema validation with static type inference
Resend is the email API for developers.
react-i18next is a powerful internationalization framework for React / React Native which is based on i18next. Check.