List of the Top 4 SaaS Boilerplates for Auth.js in 2026

SaaSBold is an all-encompassing, production-ready boilerplate and starter kit tailored for Next.js, aimed at greatly enhancing both front-end and back-end performance while delivering a superior experience for developers. It includes essential features such as user authentication powered by Auth.js, which supports social logins and magic links, along with payment processing via Stripe, with future plans to incorporate Paddle and LemonSqueezy. The application utilizes PostgreSQL managed by Prisma for efficient database handling and integrates transactional email services through Resend. Developers benefit from pre-built admin and user dashboards, a collection of customizable UI components styled with Tailwind CSS, and a Figma design resource to streamline the design process. Moreover, SaaSBold incorporates marketing tools like MailChimp integration for newsletters, AI capabilities driven by OpenAI, and offers internationalization support for applications requiring multiple languages. Deployment is simplified through a one-click solution with Vercel, which enables teams to prioritize development over setup tasks. Overall, with its extensive features and user-friendly approach, SaaSBold emerges as an exceptional option for creating scalable SaaS applications, ensuring that developers can maximize productivity and efficiency.

Nana is a Laravel starter kit designed to expedite the development of SaaS applications by providing an extensive array of built-in features and integrations. One of its standout functionalities is the ability to handle subscription payments through Stripe Billing, enabling users to set up recurring payments effortlessly while adhering to SCA regulations. Users also have the convenience of accessing and downloading their invoices through an integrated interface, enhancing the overall user experience. The authentication framework leverages Laravel’s robust security mechanisms to ensure that user access remains secure. With a responsive dashboard crafted using TailwindCSS, Nana features a sidebar and example pages that significantly improve navigation efficiency. Additionally, it offers comprehensive unit and end-to-end test coverage for essential features, which guarantees high reliability in operation. The development process is further optimized through streamlined configurations using Docker and Docker Compose, fostering consistent environments across various platforms. For seamless deployment, Nana includes a complete Kubernetes setup along with Helm integration, which facilitates rapid application deployment in a variety of environments. By incorporating these capabilities, developers can devote more time to crafting innovative functionalities instead of grappling with setup challenges, ultimately leading to a more productive development cycle.

Indie Kit is a robust boilerplate tailored for NextJS 15, aimed at expediting the development process for SaaS, AI, or B2B applications, enabling launches within days instead of months. This adaptable framework includes smooth authentication, built-in payment processing, and extensive plan management functionalities. It adeptly manages quotas, billing cycles, multi-tenancy, and feature rendering according to the specific needs of organizations, while also providing user-specific API routes to bolster security. Email communications are handled via SES, alongside a React Email Designer, and automated workflows and notifications are supported through Background and Scheduled Jobs. A comprehensive super-admin interface features dashboards for user and plan monitoring, waitlist management, contact form handling, and real-time analytics display. Entirely designed with shadcn/ui and Tailwind CSS, Indie Kit also offers pre-configured MDX blogging, SEO improvements using JSON-LD, S3 integration for file storage, webhook setups, audit trails, and serverless hosting options, making it an all-encompassing solution for fast-paced development. Furthermore, Indie Kit’s extensive feature set allows developers to concentrate on the creative aspects of their applications, significantly reducing the time spent on initial setups and configurations. By leveraging this framework, teams can enhance productivity and deliver high-quality applications in record time.

Launch Leopard is a SvelteKit boilerplate designed to expedite the development of tools, SaaS applications, and AI-driven projects by providing a comprehensive suite of pre-configured technologies. By integrating SvelteKit with TypeScript, it lays a robust foundation for applications and supports user authentication through options like Auth.js or Supabase, including social login capabilities for Google, GitHub, and Apple. Moreover, it simplifies payment processing with Stripe, which aids in managing subscriptions and invoicing efficiently. For seamless data handling, the platform employs Drizzle ORM, ensuring compatibility with any SQL database and enabling swift, lightweight query operations. The user interface is crafted with TailwindCSS and DaisyUI, featuring ready-made components such as modals, navigation bars, dropdowns, pricing tables, and hero sections to enrich the user experience. Email functionalities are adeptly managed by Loops, ensuring the effective dispatch of both transactional and promotional emails, including login links and invoices. Additionally, Launch Leopard boosts its capabilities by facilitating AI integration through the OpenAI API, making it a flexible option for contemporary development requirements. This all-encompassing setup empowers developers to concentrate on creating distinctive features without the hassle of initial configuration tasks, ultimately enhancing productivity and innovation in their projects. As a result, Launch Leopard stands out as an invaluable resource for developers seeking to streamline their workflow and enhance their application capabilities.