List of the Top 14 SaaS Boilerplates for OAuth in 2025

The SaaS Starter Kit is an innovative template designed for the streamlined development of Next.js applications. It features a comprehensive set of tools for managing subscription payments through services like Lemon Squeezy and Stripe, along with a strong authentication mechanism that supports magic email sign-ins and social OAuth options. Users have access to subscription management features via customer portals, and the template includes detailed roles and permissions to enhance security and access control. With multi-tenancy capabilities, it allows users to establish organizations and invite team members easily. The kit also includes a modern, SEO-optimized blog, and email workflows are refined with Resend and React Email for improved communication. The user interface, crafted with Shadcn and Tailwind CSS, facilitates easy customization and expansion according to user needs. It is designed to be mobile-responsive, incorporates a fully integrated dark mode, and offers dedicated support channels through Discord or Reddit. Additionally, users benefit from lifetime free updates and extensive, up-to-date documentation that simplifies onboarding and comprehension of the codebase. This starter kit serves as a comprehensive solution for anyone eager to launch their SaaS product with ease and efficiency, making it an invaluable resource for developers.

The SaaS Startup Kit represents a collaborative open-source effort that supplies a collection of Go (Golang) libraries along with boilerplate code optimized for the rapid development of scalable software-as-a-service (SaaS) solutions. This initiative features a fully responsive web application equipped with user authentication capabilities, including options for sign-up and login, and supports essential create, read, update, and delete (CRUD) operations. Additionally, the kit provides a RESTful API that employs JSON Web Token (JWT) for secure authentication, complemented by auto-generated documentation via Swagger. To improve user interface design, it leverages Bootstrap, which aids in crafting responsive, mobile-first applications. The deployment process is streamlined through the use of serverless infrastructure on Amazon Web Services (AWS), and it includes continuous integration and deployment pipelines facilitated by GitLab CI/CD. By supplying these vital components and integrations, the SaaS Startup Kit significantly reduces repetitive development efforts, allowing developers to focus on their unique business logic and accelerating the rollout of new software services. Moreover, this extensive toolkit fosters increased flexibility and creativity, enabling the design of a wide array of SaaS solutions that can be customized to meet various market demands, thus encouraging innovation in the tech industry.

Launchnow is a comprehensive SaaS boilerplate designed to accelerate the development of web applications, GPT Actions, and AI-powered tools. It harnesses the capabilities of SvelteKit for rapid front-end creation, while NestJS efficiently handles complex backend tasks. The platform is built on PostgreSQL, managed by Prisma ORM, and incorporates Tailwind CSS to deliver responsive user interfaces. It includes robust features such as OAuth 2.0 for user authentication, Stripe integration for seamless payment processing, SEO-optimized blogs with automatic sitemap generation, and a headless CMS for streamlined content management. By providing these ready-to-use elements, Launchnow enables developers to focus more on the unique aspects of their projects, significantly reducing both development time and effort. Users enjoy lifetime access to the source code alongside all future updates without incurring any recurring fees. Furthermore, the entire system is developed in TypeScript, fostering a modern and efficient coding environment. Overall, Launchnow not only simplifies the development workflow but also inspires developers to unleash their creativity and build innovative solutions. In this way, it stands out as an invaluable resource for anyone looking to create cutting-edge applications with ease.

LaunchFast offers comprehensive SaaS starter kits specifically designed for popular frameworks such as Astro, Next.js, and SvelteKit, with the goal of expediting project launches by integrating essential features like SEO optimization, analytics tracking, user authentication, payment processing, and email functionalities. These adaptable kits support various databases, including MongoDB, Firestore, PostgreSQL, Redis, and SQLite, allowing for efficient data management across different applications. Moreover, they facilitate seamless file and document storage through services like AWS S3, Cloudflare R2, Firebase Storage, and Supabase Storage. The user authentication process is streamlined with multiple options, including email and password logins, OAuth 2.0, password reset features, and email verification, in addition to social login capabilities from popular platforms such as Google, Facebook, and GitHub. To enhance billing and payment processing, the kits are integrated with Stripe and LemonSqueezy, supporting international transactions while ensuring adherence to tax regulations. Furthermore, the content management capabilities are bolstered by the creation of dynamic blog pages and responsive documentation, using Markdown and MDX, which significantly improves user experience and engagement. By utilizing LaunchFast's starter kits, developers can concentrate on crafting innovative applications, freeing them from the burdens of initial setup tasks and allowing for a more efficient development process. This approach not only saves time but also encourages creativity and productivity in the software development landscape.

ShipFast is a Next.js boilerplate specifically designed to speed up the development of SaaS products, AI applications, and various web solutions, enabling entrepreneurs to launch their projects in just days instead of weeks. It comes equipped with essential features like user authentication via NextAuth, with support for Google OAuth and Magic Links, and allows for seamless payment processing through options like Stripe or Lemon Squeezy, along with email services via Mailgun, including DNS configurations to address spam concerns. The platform supports databases such as MongoDB and Supabase, giving users flexibility in data management. Moreover, ShipFast boasts built-in SEO features, a pre-structured blog setup, and a selection of UI components and animations that enhance user engagement. To further aid users, comprehensive documentation and tutorials are available, making the setup and deployment process much easier, which significantly cuts down on the time needed for repetitive tasks and allows for a greater emphasis on essential business growth. Ultimately, ShipFast is crafted not just to facilitate initial development, but also to provide robust support for future scalability and evolving functionality as businesses grow and adapt to changing demands. Additionally, the platform fosters a community of users who can share insights and solutions, further enriching the development experience.

Bullet Train is a robust framework constructed on Rails and licensed under MIT, designed to expedite development by offering a strong foundation with essential features, enabling developers to focus on the distinctive elements of their applications. Its Super Scaffolding capability allows users to easily create production-ready views and resource controllers, while also permitting the addition of new fields to existing scaffolds. Incorporating team functionalities from the beginning is vital to avoid significant hurdles in the future, and Bullet Train excels in addressing this need. The framework features seamless integration with CanCanCan, which ensures that users have access only to the relevant resources and features via both the web interface and REST API. Bullet Train enhances the user experience with a professionally designed UI theme using Tailwind CSS, significantly improving the aesthetic quality of applications. Additionally, its MIT licensing empowers developers with the freedom to create, share, or monetize their custom themes, contributing to a dynamic ecosystem of design options. With these comprehensive features, Bullet Train not only streamlines the development workflow but also inspires developers to innovate and set their projects apart in a competitive landscape. Ultimately, it serves as a catalyst for creativity and efficiency in application development.

Supaboost is a comprehensive SaaS starter kit that simplifies the web application development process by integrating essential features and leveraging modern technologies. Built on frameworks such as Next.js, Supabase, and Lemon Squeezy, it provides a robust foundation for creating applications that are both scalable and secure. One of the standout features of Supaboost is its built-in authentication system, which accommodates traditional email/password logins alongside OAuth providers like Google and GitHub and offers an easy password reset functionality. The platform enhances performance and security through the use of server-side rendering, significantly reducing the risk of exposing sensitive information on the client side. To further improve efficiency, Supaboost utilizes useHooks to optimize data retrieval from Supabase, leading to streamlined code and enhanced performance. It also integrates with Lemon Squeezy to manage billing effectively, ensuring that all subscription services comply with international tax laws. In addition to these features, the starter kit includes an admin panel for efficient user management and is designed with responsive layouts suitable for mobile devices, enhancing its adaptability for various applications. In summary, Supaboost emerges as an exceptional resource for developers looking to quickly and effectively launch sophisticated web applications, ultimately enabling them to focus more on innovation and less on infrastructure. This makes it an invaluable tool in the competitive landscape of web development.

SaaSy Land is an open-source starter template specifically designed for full-stack projects using Next.js 14, aimed at simplifying the process of developing and deploying applications like SaaS products, marketing sites, and blogs. It incorporates advanced authentication features, including email verification, password resets, magic links, and OAuth provider integration, all facilitated by NextAuth. The template supports multiple database configurations, enabling effective data management and rapid content delivery. It also includes a blog system that integrates Markdown and MDX for SEO-optimized content management, along with seamless Stripe integration for online payments and transactional email capabilities through Resend and React Email. With a focus on aesthetics, SaaSy Land utilizes Tailwind CSS and Shadcn UI components to offer a modern and flexible design. The extensive documentation provided ensures that developers can easily customize the template, allowing them to focus on the specific features that matter to their business. By having everything pre-configured and compliant with industry standards, developers can significantly minimize their development time and effort, leading to a quicker realization of their project goals. This comprehensive approach not only enhances productivity but also encourages innovation within the development process.

Neorepo offers a range of fully operational SaaS starter kits that utilize modern, scalable technologies such as Next.js, Tailwind CSS, tRPC, Prisma, React Email, PostHog, and Contentlayer. Each kit is packed with essential SaaS functionalities, featuring strong authentication methods (including passwordless, OAuth, and anonymous logins), organization management tools (to assist with team setup, member invitations, and administrative privileges), transactional email support with established workflows, and efficient payment processing for tiered subscriptions or one-time purchases, all tied together with an attractive landing page enriched by smooth Framer animations. Additionally, Neorepo incorporates integrated customer engagement tools like a blog, changelog, and thorough documentation, all optimized for search engine visibility. The platform showcases an array of kits tailored to various backend technologies: Scalerepo is built on Next.js and PlanetScale, Suparepo integrates with Supabase, and Firerepo is constructed using Firebase, ensuring users can find a solution that suits their distinct preferences. This broad selection empowers developers to choose a kit that best matches their unique project demands, all while taking advantage of the latest advancements in technology. By providing these diverse options, Neorepo enhances the development experience and facilitates the creation of innovative SaaS applications.

SupaLaunch is a comprehensive SaaS boilerplate crafted with Next.js and Supabase, designed to accelerate the development of full-stack web applications. It includes essential features like user authentication with options for both email and Google sign-ins, a PostgreSQL database, image storage, API integrations, and support for Stripe payments, which facilitate both one-time purchases and subscription models. Additionally, the platform offers a pre-built landing page styled with Tailwind CSS and DaisyUI, encompassing customizable components such as navigation menus, partner logos, product showcasing, pricing information, FAQs, and footer sections. Beyond this, SupaLaunch features a markdown-based blog that supports SEO-friendly content management, integrates AI functionalities via the OpenAI API, and includes streaming capabilities, all while boasting over 20 unique UI themes. Other key highlights are built-in SEO tags, an automatically generated sitemap to improve search engine visibility, detailed website analytics, and the option to send programmatic emails through MailerSend. The architecture of this boilerplate is deliberately designed for rapid project setup, making it a perfect solution for developers aiming to optimize their productivity. Furthermore, SupaLaunch not only streamlines the development workflow but also significantly enriches the user experience with its robust suite of tools and resources.

Rocket acts as a comprehensive SaaS boilerplate that streamlines the process of developing production-ready applications by leveraging technologies such as Node.js, React, and MongoDB. It offers an array of functionalities, including advanced JWT authentication that protects against CSRF and XSS threats, in addition to social OAuth authentication via Passport.js, which integrates seamlessly with platforms like GitHub, Facebook, Google, and Twitter. Furthermore, it provides integrated subscription management and billing solutions through Stripe to facilitate easy financial transactions. Users benefit from multi-tenancy support and collaborative team features that enable efficient teamwork and project management. Developers are also equipped with a responsive user interface designed using Tailwind CSS, along with an assortment of pre-built components such as forms, tables, models, and cards, as well as a streamlined error-handling mechanism. On top of that, Rocket optimizes deployment with Docker capabilities, assures automatic SSL certificates through Let's Encrypt, and includes a Node.js REST API complete with thorough validation and documentation. This powerful framework is meticulously designed to minimize the time and effort necessary for launching resilient applications, allowing developers to focus on innovation instead of infrastructure. Ultimately, Rocket empowers teams to bring their ideas to fruition more swiftly and effectively than ever before.

Ignite acts as a crucial platform for initiating new Flask applications, taking care of vital boilerplate components like user authentication, OAuth, team features, and billing systems, allowing developers to focus on crafting their applications. It follows contemporary best practices for Flask development and includes an administrative dashboard for data management and sales tracking. Users find it convenient to log in or sign up through various platforms, such as Google, Twitter, and Facebook. With Ignite, developers can swiftly launch a profit-generating SaaS project. In addition, Fullstack Flask provides a comprehensive online course designed for self-paced learning, where participants can build a fully functional web application from scratch using Python and Flask. This course covers a broad spectrum of topics, emphasizing both backend and frontend skills, including user authentication, PostgreSQL database connections, and Stripe payment integration, ultimately leading to deployment in live environments. By engaging in this extensive program, learners not only acquire essential technical abilities but also gain the confidence needed to turn their web application ideas into successful ventures. Furthermore, the hands-on approach of the course ensures that participants can apply their knowledge practically, reinforcing their understanding of the entire development lifecycle.

Just Launch It serves as a robust SvelteKit boilerplate designed to streamline the development and launch of SaaS, AI, or web-based enterprises. Leveraging over a decade of industry knowledge, it presents a thoughtfully curated tech stack that enhances developer productivity, accelerates project timelines, and ensures adaptability. This platform includes essential features such as email setup, landing page generation, Stripe webhook management, SEO improvements, and Google OAuth integration, allowing entrepreneurs to swiftly test their ideas and generate income. By alleviating the complexities of these foundational tasks, Just Launch It enables developers to focus their efforts on building their products instead of getting bogged down in initial configurations. Furthermore, the boilerplate integrates critical components necessary for operating an online business, such as payment processing, database management, user authentication, and a variety of UI elements. Additionally, it supports subscription and payment management, positioning itself as a comprehensive solution for budding entrepreneurs looking to establish their ventures efficiently. Overall, Just Launch It not only simplifies the startup process but also empowers innovators to bring their visions to life with ease.

Codepilot serves as a comprehensive SaaS starter kit that simplifies the development of modern web applications by offering a diverse array of integrated tools and features. Built on the Next.js framework, it ensures a smooth user experience while facilitating rapid advancement from concept to deployment. The platform includes well-crafted React components styled with Tailwind CSS, which not only enhances visual appeal but also boosts productivity. Additionally, Codepilot supports seamless integration with third-party tools, optimizing efficiency and scalability for developers. Key features encompass payment processing solutions through Stripe and Lemon Squeezy, user authentication via magic links and major OAuth providers such as Google, Twitter, and GitHub, as well as transactional email services that come with pre-designed templates powered by the Resend SDK. Moreover, it utilizes Prisma ORM for robust database management, allowing for the secure handling of user and payment data across various relational databases. With its extensive capabilities, Codepilot proves to be an indispensable asset for developers looking to quickly and effectively realize their web application visions, ultimately fostering innovation in the tech landscape.