Best SaaS Boilerplates with a Free Trial

StartFast is a minimalistic SaaS starter kit designed for rapid setup and ease of use, enabling developers and entrepreneurs to launch their projects swiftly. Built with Next.js 14, Supabase, TailwindCSS, and Stripe, it offers a clean codebase that eliminates unnecessary complexities, allowing users to focus on their core ideas. Key features include passwordless authentication, simple Stripe Checkout integration for straightforward payments, and a flexible token-based usage model that supports modern pay-per-use pricing structures. The platform emphasizes simplicity, with a database schema comprising just four lines, and comprehensive documentation that makes it accessible even to novices. StartFast provides both free and pro versions; the pro version includes AI-powered tools for generating SEO-optimized blog posts and landing pages, on-page SEO analysis, keyword research integration, and centralized configuration for easy customization.

The SaaS boilerplate handles the complex, boring code like payments and authentication, while you build fun features that generate revenue. Download the full SaaS boilerplate codebase from Github. Follow the setup wizard to have a working SaaS app in minutes. Start adding your features then launch your app at warp speed. Eliminate time-consuming, complex boilerplate code. Save 400+ coding hours. Build a profitable SaaS business fast. Focus on features that matter, ones customers will pay for. Save thousands of dollars and get access to a professional SaaS development support network. 20 years of commercial Javascript experience. Built a tech startup to $5,000,000 in sales. Served on startup boards as a technical advisor. Mentored hundreds of startups on accelerators. Spoken at development conferences across the world. Both the front-end React client and back-end Node.js server are written in Javascript.

LiveSAASKit is a modular Elixir and Phoenix LiveView starter kit designed to expedite the development of SaaS applications. It offers a suite of customizable features, including authentication, Stripe integration for payment processing, multi-tenancy support, announcements, a GraphQL API, user impersonation, email templates, and recurring jobs. Developers can select and integrate the components that align with their specific project requirements, ensuring a seamless fit into new or existing applications. The platform emphasizes flexibility and scalability, allowing for tailored solutions that cater to diverse business needs. By providing these pre-built modules, LiveSAASKit aims to reduce development time and effort, enabling developers to focus on building unique features and bringing their SaaS products to market more efficiently.

ShipFlask is a comprehensive Python-Flask boilerplate designed to expedite the development of SaaS applications by providing essential integrations and functionalities out of the box. It features secure user authentication through Auth0, enabling seamless sign-in and account creation processes. Payment processing and subscription management are facilitated via Stripe's API, allowing for efficient handling of transactions and billing. The platform incorporates an OpenAI-powered chatbot, enhancing user engagement with conversational AI capabilities. Transactional emails are managed through services like MailerSend or Postmark, ensuring reliable communication with users. Data storage is handled by a hosted MongoDB database, offering a scalable solution for application data. Additionally, ShipFlask supports dynamic content rendering using AJAX, providing flexibility in front-end development.

ABP is a platform built on the open source ABP framework. It provides pre-built application modules, rapid application development tooling, professional UI themes, premium support and more. ABP framework is a modular, themeable, micro-service compatible application development framework for ASP.NET Core. It provides a complete architecture and a strong infrastructure to make you focusing on your own business code rather than repeating yourself for every new project. It is based on software development best practices and popular tools you already know. Once you purchase an ABP license, you will be able to create unlimited solutions with your license. The downloaded solution has commercial modules and themes already installed and configured for you. You can remove a pre-installed module or remove one. All modules and themes are used a NuGet/NPM packages by default.

Security Building Blocks for Developers. BoxyHQ offers a suite of open-source APIs for security and privacy, helping engineering teams build and ship compliant applications faster, reducing Time to Market without sacrificing their security posture. 1. Enterprise Single Sign On (SAML/OIDC SSO) 2. Directory Sync 3. Audit Logs 4. Data Privacy Vault (PII, PCI, PHI compliant)

Cascade is a free, open source SaaS boilerplate designed to accelerate the development of software-as-a-service applications by providing a comprehensive suite of integrated tools and features. It includes built-in payment processing, error tracking, analytics, background job management, and email marketing capabilities, all within a single package. This integration allows developers to focus on building business logic from day one, streamlining the development process and reducing time to market. Cascade's modular architecture ensures flexibility and scalability, making it suitable for a wide range of projects. By offering a unified platform with essential functionalities, Cascade enables developers to efficiently create robust SaaS applications without the overhead of assembling and maintaining disparate systems. The main goal of Cascade is to get you from ideation to first sale as fast as possible.

Autostrada is a code generator designed for Go (Golang) projects, streamlining the creation of web applications or APIs by generating customizable application scaffolds. It automates setup steps and package integrations, allowing developers to focus on application-specific code rather than boilerplate. The generated code provides a solid foundation with a clear and sensible application structure, minimal complexity, idiomatic Go code, and no unnecessary abstractions. Autostrada is not a third-party framework; the generated code is entirely under the developer's control, making it easy to extend and adapt as needed. It includes helpers for common tasks such as parsing JSON requests, rendering HTML templates, and managing SQL migrations, tailored to the project's specific requirements. Developers can customize the application scaffold to include only the necessary features, resulting in fewer dependencies, smaller binaries, and reduced maintenance.

StarterKitPro is a lean, full-featured Next.js SaaS boilerplate that helps you launch faster with built-in auth, payments, emails, dashboards, landing pages, and more. Designed for developers who want to skip setup and ship faster. Includes social login, Stripe & Lemon Squeezy integration, SEO, blog, docs, and 50+ UI components. Build unlimited projects for yourself and clients. Perfect for solopreneurs, indie hackers, and teams.

Build and launch profitable directory websites faster than ever with this comprehensive Next.js boilerplate. Skip months of development and start generating revenue immediately with built-in monetization features. Perfect for entrepreneurs, developers, and businesses looking to create local directories, business listings, job boards, or niche marketplaces without starting from scratch.

TheFrontKit provides production-ready UI starter kits designed for modern SaaS and AI products, offering structured, accessible, and customizable frontend components that help teams ship faster without compromising quality. Each kit includes modular React components and layouts built with TailwindCSS along with WCAG-AA accessible UI primitives, so products are usable by everyone out of the box, and Figma design tokens mapped to Tailwind v4 tokens keep design and code perfectly in sync. Kits come with app shells, routing, authentication screens, tables, forms, modals, theming, and dark mode support, plus support for real AI UX patterns like prompt inputs, streaming responses, citations, and history. TheFrontKit’s starter kits save developers time by eliminating repetitive styling work and providing dev-ready code, clear naming, scalable structures, version-controlled updates, and comprehensive documentation with setup guides.