List of the Top 11 SaaS Boilerplates for Mailgun in 2026

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.

Nextless.js simplifies the rapid development of scalable, production-ready SaaS applications by providing a comprehensive starter kit designed specifically for developers working with Next.js and serverless frameworks. This resource includes essential functionalities such as AWS Cognito for smooth authentication processes, featuring options for email and social media logins, alongside multi-factor authentication and Stripe integration for easy subscription payment management, including webhook functionalities. To boost team collaboration, it facilitates inviting team members via email and supports multi-tenancy through a silo model that ensures tenant isolation. Furthermore, developers can leverage pre-built user and admin dashboards, customizable forms, and a responsive landing page designed with Tailwind CSS for an attractive user interface. With the goal of enhancing the developer experience, Nextless.js integrates tools like TypeScript, ESLint, Prettier, and Husky while making the most of the AWS ecosystem, utilizing services such as Amplify, API Gateway, and AWS CDK for efficient deployment and oversight. In essence, this starter kit not only speeds up the development process but also guarantees that applications are equipped with contemporary features and adhere to best practices, positioning them for success in today’s dynamic market landscape. Additionally, its comprehensive design ensures that developers can focus on innovation rather than infrastructure, fostering a more creative and efficient development environment.

Nextacular is a starter kit that is open-source and designed to expedite the development of full-stack, multi-tenant SaaS applications. It leverages contemporary technologies, including Next.js, Tailwind CSS, and Prisma, offering a wide array of features that streamline the development process. Key functionalities include authentication options such as magic links and social logins through NextAuth, along with smooth database integration for relational databases like PostgreSQL and MySQL. The kit's multi-tenancy support allows businesses to serve numerous clients across different subdomains or custom domains using a single codebase. Additionally, Nextacular provides features tailored for teams and workspaces, allowing easy collaboration by inviting colleagues into specific workspaces. The platform also boasts a customizable landing page, effective billing and subscription management through Stripe, and flexible design components made with Tailwind CSS that can be tailored to match any design system. With these powerful features, Nextacular not only simplifies the setup process but also enables developers to concentrate on creating cutting-edge applications without the hassle of repetitive tasks. Ultimately, it represents a robust solution for anyone looking to launch a SaaS product efficiently.

Dome is a robust and versatile boilerplate developed using Next.js and Tailwind CSS, tailored specifically to streamline the creation of SaaS Minimum Viable Products (MVPs). It features a range of critical components, including a landing page, a countdown timer, and a blog, which enable entrepreneurs to focus on their market entry strategies and revenue generation rather than getting bogged down by foundational elements. The template offers seamless authentication options, such as social login and NextAuth, ensuring a smooth user access experience. Payment processing is simplified through integrations with Stripe and Lemon Squeezy, which offer effective solutions for managing subscriptions. To foster customer engagement, the template includes feedback tools like Chatwoot, Papercups, and Crisp Chatbot, as well as email service integrations such as Mailgun. Moreover, it connects to analytics platforms including Hotjar, Google Analytics, Matomo, and Plausible, providing essential insights into user behavior that facilitate informed decision-making for future enhancements. This extensive configuration ultimately equips entrepreneurs with the resources to launch their products confidently and efficiently, paving the way for sustained growth and innovation in their ventures. By leveraging such a comprehensive solution, entrepreneurs can better position themselves for success in competitive markets.

Ship SaaS is a powerful boilerplate utilizing Next.js, designed to expedite the development of SaaS applications by providing essential integrations right from the start. This setup features a thorough authentication system powered by Supabase Auth, facilitating user registration, login processes, password recovery, and social logins through services such as Google, Facebook, Twitter, and GitHub. It also includes a dependable and scalable PostgreSQL database, along with a swift SQL setup script to enhance user experience. Subscription billing and management are handled seamlessly through integration with Stripe, which includes webhook support for maintaining data integrity. Additionally, it offers flexible file storage options with customizable security settings, transactional email capabilities via providers such as Sendgrid, Mailgun, Postmark, and Resend, and a blogging system that supports markdown for straightforward content management. The boilerplate is optimized for mobile devices, integrates internationalization via JSON file translations, and is enhanced for search engine visibility through Next.js's static page generation features. Furthermore, developers can take advantage of the detailed documentation available to fully harness the platform’s capabilities, ensuring a smooth development process. This all-in-one solution is designed to help developers focus on building their applications without the hassle of setting up foundational components.

GeniePy is a groundbreaking SaaS boilerplate developed entirely in Python, designed to simplify the process of building software-as-a-service applications through its comprehensive and pre-configured codebase. It includes vital features like user authentication, subscription management, a blog optimized for search engines, email capabilities, and effortless database integration, all ready for use from day one. By leveraging GeniePy, developers can focus on the unique business logic of their applications, avoiding the complexities of building these fundamental elements from scratch, which can greatly shorten the development timeline by numerous months. The platform also allows users to send emails via services such as Mailjet, Mailgun, and Sendgrid, enabling easy switching between different providers based on user needs. Moreover, the deployment configuration files and detailed documentation support a rapid transition to production, while the built-in admin interface streamlines the management of all application data without the need for extra coding. This all-encompassing strategy not only facilitates quick project launches but also boosts productivity and fosters innovation within the SaaS environment, making it an invaluable resource for developers. Ultimately, GeniePy empowers creators to bring their ideas to life more efficiently than ever before.

SvelteShip serves as a comprehensive full-stack boilerplate that greatly expedites the creation and deployment of applications utilizing SvelteKit. It integrates a host of crucial technologies and services, such as SvelteKit paired with TypeScript, Supabase for authentication and database management, Stripe for payment processing and billing solutions, TailwindCSS and DaisyUI for building responsive user interfaces, Mailgun for email services and magic link authentication, and Cloudflare for effortless hosting and deployment. By using SvelteShip, developers benefit from a collection of ready-made UI components such as navigation bars and checkout buttons, which facilitate quick project launches. The framework accommodates various authentication methods, including social login options with Google and GitHub, and offers features like pricing pages, single payments, subscriptions, and efficient webhook management through Stripe. Moreover, the boilerplate is designed with user profiles and customer tables that automatically register new users via Supabase's capabilities. Customization is a breeze, enabling developers to alter fonts, themes, colors, and activate dark mode features seamlessly, ensuring the final product reflects their unique design aspirations. This adaptable framework not only improves the overall user experience but also optimizes the development process. Furthermore, SvelteShip allows for rapid integration of new features and updates, ensuring that developers can keep pace with evolving project requirements.

SaaSykit is a Laravel-based framework designed to expedite the development of modern SaaS applications by providing a wide range of pre-built components and features. This platform simplifies the handling of subscription services and one-off transactions, integrating payment solutions from services like Stripe, Paddle, and Lemon Squeezy. At its core, a customizable admin panel driven by FilamentPHP facilitates efficient management of products, pricing models, plans, and customer subscriptions. Developers can easily personalize the app's aesthetic using Tailwind CSS, which allows for modifications to primary and secondary colors, error pages, email templates, fonts, social media sharing graphics, and favicons. Furthermore, SaaSykit supports multi-tenancy, enabling the creation of applications that cater to multiple tenants with features such as team invitations, team management, and subscription models based on user seats that work smoothly with payment providers. In addition, it boasts a strong user authentication system to bolster security and enhance user management. This all-encompassing toolkit not only streamlines the development process but also provides developers with the tools necessary to craft sophisticated and highly customizable SaaS solutions that meet diverse needs. Ultimately, SaaSykit empowers developers to innovate and adapt their applications with greater ease and flexibility.

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.

SvelteLaunch: The Definitive Svelte 5 Boilerplate for Streamlining SaaS and AI Application Development Key Features: - Database and Authentication: Seamlessly manage your database and ensure secure server-side authentication with the built-in Supabase integration right from the beginning. - Payments Integration: Facilitate payment processing easily through Stripe, giving users a fast and secure transaction experience. - Transactional Emails: Keep your users informed with reliable automated email notifications powered by Mailgun, ensuring they receive timely updates. - Reusable Components: Boost efficiency and maintain design consistency with a curated set of pre-designed, reusable components tailored for Svelte 5. - Automated SEO: Effortlessly enhance your project's online presence with integrated automated SEO tools, enabling you to reach a wider audience. - AI Ready: Take advantage of a secure 1:1 coverage API tailored for creating AI applications with the OpenAI API. - Styling: Create visually appealing websites with ease using TailwindCSS and Skeleton UI, ensuring a responsive and attractive user experience. Additionally, SvelteLaunch is designed to be developer-friendly, allowing for quick iterations and adjustments to meet specific project needs.

Create Next Startup serves as a foundational framework for Next.js, designed to enhance the creation of dynamic, data-centric user interfaces. It boasts a carefully curated selection of components that emphasize single responsibility, minimal side effects, and straightforward syntax, allowing developers to select the most appropriate elements for their projects. The core setup integrates Next.js, TailwindCSS, NextAuth.js, and React Email, with aspirations to incorporate mobile compatibility in future iterations. Among its features are specialized record types, comprehensive overviews, in-depth pages, more than 15 distinct field types, customizable field formulas, record change detection mechanisms, and various display options. The platform supports a wide range of field types including attachment, text, number, currency, percentage, long text, checkbox, date, single select, repeater, relationship, object, toggle, and JSON. Furthermore, it offers email integration via Mailgun, with plans to extend compatibility to other services such as Sendgrid, Mailjet, Postmark by ActiveCampaign, and Resend. By providing these versatile tools, Create Next Startup aims to equip developers with the resources necessary for efficient and impactful interface creation, ultimately fostering innovation in web development. This initiative reflects a commitment to ongoing improvement and responsiveness to developer needs in an ever-evolving digital landscape.