List of the Top 8 SaaS Boilerplates for PostHog in 2025

Just Ship is a fully free and open-source SaaS starter kit designed with Svelte 5 and SvelteKit, focusing on simplifying the web application development process by providing a variety of essential features from the outset. It includes user authentication options like magic links and Google social login, while ensuring that user data is safely stored in a Turso database. With over 30 pre-designed styles powered by daisyUI, the kit supports dark mode and offers numerous landing page components that facilitate rapid UI development. Integrated payment processing through Stripe allows developers to accept payments seamlessly and manage webhooks effortlessly. For analytics, PostHog is utilized, featuring configurations to bypass ad blockers by using Vercel as a proxy, along with capabilities for A/B testing and feature flag management to enhance user engagement. Additionally, it streamlines SEO tag management through its load function and supports email communications via Postmark, while deployment is made straightforward through Vercel, presenting a comprehensive toolkit for developers aiming to launch their applications with ease. This all-inclusive solution not only speeds up the development timeline but also equips developers with powerful resources to build dynamic web experiences, ensuring they can focus on innovation and user satisfaction.

AnotherWrapper is an all-encompassing starter kit for Next.js designed to simplify the development and deployment of AI-based applications. It includes over ten pre-built AI demo applications, featuring chatbots, text and image generators, and audio transcription tools, all leveraging cutting-edge AI technologies like GPT-4, Claude 3, LLaMA 3, DALL·E, and SDXL. The platform comes with a suite of ready-to-use APIs, systems for user authentication, database management, payment processing, and analytics tools, enabling developers to focus more on creating their products rather than getting bogged down by infrastructure complexities. With fully customizable UI components that integrate smoothly with Tailwind CSS, daisyUI, and various styling themes, AnotherWrapper facilitates the design of responsive and visually appealing user interfaces. Furthermore, it offers programmatic SEO features, enhancing online visibility and improving search engine rankings effectively. By utilizing AnotherWrapper, developers can significantly reduce their development timelines, allowing them to roll out AI applications in a matter of days, which greatly boosts their productivity and effectiveness. This versatile toolkit not only enhances development speed but also fosters innovation, making it an essential asset for anyone navigating the fast-paced landscape of artificial intelligence. Ultimately, AnotherWrapper serves as a catalyst for creativity and efficiency, driving the next wave of AI advancements.

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.

Nextbase delivers a wide array of solutions for authentication, payment processing, and all the vital elements required for building your SaaS platform. It is designed to work seamlessly with every authentication provider offered through Supabase, including well-known options such as Google, GitHub, Facebook, and Twitter. You can assign distinct roles to users within your organization, effectively managing their access levels and functionalities within the application. Moreover, there’s the option to send notifications to users triggered by different in-app actions and events. The platform also enables you to create a secure area for overseeing users, organizations, and other essential features of your application. With React email, you can effortlessly craft and send attractive emails to your users, enhancing communication. Onboarding new team members into your organizations is a quick and straightforward process. Additionally, you can manage payment collections and set up subscriptions using services like Stripe and Lemon Squeezy. Our dedicated team at Nextbase, though small, is deeply committed to helping you build powerful web applications with ease. This cutting-edge starter kit not only includes a plethora of built-in features but also provides outstanding customization options, making it perfect for any web development initiative. Ultimately, Nextbase empowers developers by streamlining intricate tasks, allowing them to concentrate on innovation and growth while enhancing user experience. With its comprehensive tools and support, Nextbase stands out as a valuable partner in your development journey.

Cascade is a free, open-source boilerplate designed specifically for software-as-a-service (SaaS) applications, aimed at streamlining the development process through a comprehensive suite of integrated tools and features. It includes essential functionalities such as payment processing, error monitoring, analytics, job management, and email marketing, all within a single platform. This level of integration allows developers to focus on building the core business logic right from the start, which simplifies the overall development workflow and reduces the time needed to bring products to market. With its modular architecture, Cascade offers both scalability and adaptability, making it suitable for a wide range of projects. By providing a unified platform that incorporates critical features, Cascade enables developers to efficiently create robust SaaS applications without the hassle of managing multiple disparate systems. The ultimate goal of Cascade is to streamline the transition from initial concept to actual sale as quickly as possible, allowing developers to swiftly realize their visions. In addition to time savings, this approach significantly boosts productivity throughout the software development lifecycle, fostering a more efficient environment for innovation and growth. Therefore, adopting Cascade can lead to both enhanced efficiency and higher quality outcomes in software development projects.

Boilerbay delivers a comprehensive Next.js SaaS toolkit designed to simplify the development and deployment of software-as-a-service applications. This starter package includes pre-designed landing and waitlist pages, along with essential features like user authentication through NextAuth.js, database management provided by Prisma, email services via Resend, and efficient payment processing with Stripe. Developers can effortlessly customize their design and aesthetics using Tailwind CSS and Shadcn UI components, ensuring alignment with their brand's visual identity. Furthermore, the platform supports AI integrations, featuring tools such as OpenAI and Pinecone, which enable sophisticated functionalities like AI-generated content and responsive chatbot experiences. To enhance user support, Boilerbay provides extensive documentation that assists users throughout the installation and launch phases, with options for deployment on platforms like Vercel. This comprehensive strategy not only enriches the user experience but also allows developers to concentrate on creating distinctive solutions that meet their specific needs. By addressing various aspects of application development, Boilerbay stands out as a valuable resource for those looking to innovate in the SaaS landscape.

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.

Presenting an all-inclusive mono repo template crafted to optimize the development process of your new SaaS application with utmost efficiency. This template provides a holistic toolkit covering essential features such as authentication, billing, analytics, SEO, and database management, ensuring everything you need is readily available. Kickstart your project with a pre-configured shadcn/ui template that comes equipped with vital tools like Tailwind and Clerk. You can also create a tailored API microservice that caters to various applications, featuring a type-safe database ORM for improved reliability. Moreover, the template allows for the design and previewing of email templates utilizing a React-based email library, alongside a blocks website template that incorporates a type-safe blog, effective SEO strategies, and requisite legal pages, all powered by Content Collections. With user-friendly, aesthetically pleasing default configurations and clear documentation, maintaining your project is a breeze. Utilize Prisma Studio to obtain a comprehensive view of your database structure and automatically generate Prisma client code for effortless integration. This template not only accelerates your transition from idea to deployment in just minutes but also empowers you to concentrate on effectively building and scaling your application while reducing development overhead. In essence, this comprehensive resource equips developers with the tools needed to bring their visions to life rapidly and efficiently.