Supastarter is a battle-tested SaaS starter kit that provides a robust, production-ready foundation for your next web application. Leveraging cutting-edge technologies like Next.js, Nuxt, and SvelteKit, it delivers a comprehensive set of features - from authentication and payments to i18n and AI integration - to accelerate your development workflow. Developed and maintained by an experienced team of SaaS experts, Supastarter has evolved over years based on the feedback of 450+ developers.