Best SaaS Boilerplates and Starter Kits

The SupaNuxt SaaS boilerplate is a full stack starter kit for building SaaS applications with Nuxt 3, Supabase for auth and db, Prisma for schema and strongly typed clients, TRPC for server client comms with strong types and SSR, Pinia for state management, Stripe for payments and webhook integration. Tailwind CSS with daisyUI for styling and components, OpenAI for text completions. Includes user management features like social sign on via Supabase, email/password login, password recovery, user roles and permissions. Multi user accounts (teams), multiple plans with feature flags and limits, config keys through env vars, GDPR compliance with cookie consent. Separation of concerns to avoid vendor lock in, architecture focused on flexibility and migration.

Launch Leopard is a SvelteKit boilerplate to build tools, SaaS and AI apps. It comes with TypeScript, Auth.js or Supabase for auth, Drizzle ORM for db, Stripe for payments, TailwindCSS with DaisyUI for styling. It also has transactional and marketing emails via Loops and OpenAI API with GPT-4 Turbo demos. It covers SEO essentials like meta tags and sitemaps. All components are customizable to fit different tech stacks, with full documentation and an active Discord community.Just Ship is an open-source Svelte 5 SaaS starter kit to speed up web app development by providing auth, payments, email and analytics. It has Magic Link and social logins with Google, uses Turso for db and Stripe for payments.

SaaSConstruct is a powerful platform to streamline your software development. Key features include API integration, real-time data analytics and customisable UI. Supports multiple programming languages and has extensive documentation to make it easy to use. Security is top priority with built in encryption and regular updates. For developers who want to optimise their workflow the platform is modular and scalable.

Just Ship is an open-source Svelte 5 SaaS starter kit designed to expedite web app development by providing essential features like authentication, payments, email handling, and analytics. It supports Magic Link and social logins with Google, utilizes Turso for database management, and integrates Stripe for payment processing. Styling options are enhanced with over 30 styles from daisyUI, including dark mode support. Analytics are handled through PostHog with Vercel acting as a proxy to avoid adblocker issues. The boilerplate also facilitates easy A/B testing and SEO tag management. Hosted on Vercel for seamless deployment, Just Ship leverages Drizzle ORM for database interactions and Postmark for email services.

Just Launch is a SvelteKit boilerplate for SaaS, AI or web startups. It has all the pre-configured features you need to get your new project up and running fast. Turso SQLite compatible databases with multi region replication, Drizzle ORM for SQL migrations, Resend for custom email integration, Stripe for payments and subscriptions. SEO components, automated sitemap generation, TailwindCSS for styling and OpenAI SDK for ChatGPT integration. Created by James, a seasoned software engineer, it eliminates decision fatigue by providing a modular but opinionated tech stack so you can develop fast and extendable without sacrificing developer experience.

Bullet Train is an MIT-licensed Ruby on Rails framework that speeds up SaaS development by providing a bunch of pre-built features. It includes Super Scaffolding for generating production-ready views and resource controllers, Devise-wrapped user authentication, and industry leading team management. It uses CanCanCan for security and permissions, supports multiple roles and comes with a Tailwind CSS theme that's fully customizable. It also has ActionCable reactivity, a Grape-based REST API with OpenAPI schema generation, lots of 3rd party integrations, and an onboarding wizard. Bullet Train also has dark mode, full mobile responsiveness, full test coverage with Magic Test for in-browser testing, and streamlined CI/CD pipelines.

GeniePy is a comprehensive SaaS starter codebase built entirely in Python, designed to expedite your development process. It comes pre-configured with essential features such as secure user management via Clerk, Stripe subscription integration for recurring payments, and support for major databases like PostgreSQL, MySQL, and SQLite. The platform includes Tailwind CSS for front-end design, SEO-optimized blogging capabilities, and email functionalities through providers like Mailjet and Sendgrid. Developers can also leverage social login setups without coding, use React.js without writing JavaScript, and deploy applications quickly using the provided configuration files. Additional tools include an integrated admin interface, continuous testing with pytest, caching solutions, and lifetime support via email and Discord.

OpenSaaS has a simple user interface for workflow management. It has real time collaboration tools, customisable dashboards and robust analytics that give you insights. It integrates with popular 3rd party apps, so data transfer is smooth and no disruption to your current workflow. Security is top priority with end to end encryption and regular compliance updates. It supports multiple languages and time zones so it’s good for global teams. The API is well documented so developers can customise and extend

OpenSaaS has a simple user interface for workflow management. It has real time collaboration tools, customisable dashboards and robust analytics that give you insights. It integrates with popular 3rd party apps, so data transfer is smooth and no disruption to your current workflow. Security is top priority with end to end encryption and regular compliance updates. It supports multiple languages and time zones so it’s good for global teams. The API is well documented so developers can customise and extend

The ReactApp starter kit is a full stack, ready to deploy SaaS products with zero setup time. It comes with a solid tech stack of Next.js for static site generation, React for UI, Firebase for backend services like auth and real time db, and Tailwind CSS for rapid UI design. It also includes Stripe for payments, Postmark for transactional emails, and a built in chat widget for user interaction. End to end testing with Playwright, security best practices with Firestore rules and analytics with Google Analytics or Plausible Analytics. Lifetime access and updates included in the $19 price. Saves developers time by including pre built auth workflows, serverless architecture and documentation.

Petal Pro is a full Phoenix boilerplate to speed up web app development. It has over 50 modular HEEX components styled with Tailwind CSS so you can build beautiful interfaces fast. Features include social logins (Google and GitHub), passwordless auth via email, multi-tenancy, and i18n with gettext. It comes with preconfigured Dockerfiles for fly.io, background jobs with Oban, customizable email templates and Stripe Billing for subscription management. With continuous updates and tons of documentation Petal Pro will save you hours of work and give you reusable code for common stuff.

Sveltepack is a SvelteKit boilerplate to get your online projects up and running fast, with features like email registration and login, password management, multi-provider auth via Supabase, Stripe integration for payments. Built in support for sending emails, user support, SEO. Hotswap styling and pre-designed sections and animations so you can save over 40 hours per project on setup alone. Currently $149 with lifetime updates.

Kitto is a SaaS starter kit for developers, built with PHP 8.2, Symfony 7 and Stripe payment integration. It comes with advanced frontend libraries like Tailwind CSS, Flowbite, Bootstrap and jQuery to ensure a great user experience. For backend management, Kitto has an admin backoffice built on the EasyAdmin bundle. Deployment is easy with a ready to use Docker configuration to setup your project locally or remotely. Documentation is detailed to help you install and integrate everything, so you can launch your next big idea fast.

Parthenon is a toolkit to simplify building SaaS applications with Symfony. It has all the essentials: user auth, Stripe payment integration, customisable admin systems, team management, multi step forms, A/B testing, invoicing with VAT calculations and PDF generation. Parthenon also supports MySQL, Postgres and MongoDB. With an Ansible setup for deployment and file upload integration it makes many of the tedious tasks developers face. Installable via Composer and modules can be toggled on/off per project.

SvelteShip is a full SvelteKit boilerplate to get your app up and running. It includes Supabase for auth and db, Stripe for payments, Mailgun for email and TailwindCSS and DaisyUI for styling. It has prebuilt UI components for navbars and checkout buttons, full SEO setup with metatags and sitemap generation. Documentation, linting, type checking and lifetime updates so you don't have to do the boring stuff so you can build your app fast.

The AI SaaS Template is a full-stack Django boilerplate to help you build your AI wrapper in record time. It not only has customizable OpenAI-based app templates but also easy-to-follow guides to help you create your own AI app in hours. It comes with preconfigured integrations for user authentication (django-allauth), payment processing (Stripe), email services (Mailgun), and Heroku deployment. It also has both Tailwind CSS and Bootstrap options for a modern responsive UI. Detailed documentation, step-by-step tutorials, and AI app templates are included so even a basic Django developer can get up and running quickly. Created by Leon Wei who shipped 20+ products with Django in the last couple of years.

DeployFast is a one-click solution to deploy AI wrappers with FastAPI, Docker, and Streamlit with OpenAI and ElevenLabs APIs. It provides ready-to-use API calls for JSON mode chat completion, image generation, speech-to-text, and text-to-speech. All you need is to add your API key. You can also create your own customized API endpoints with automatic documentation, and deploy them with Docker to your favorite cloud provider. DeployFast is also easily containerized for any cloud (AWS or Azure), which makes the setup and deployment easy for both newbies and pros, so you can focus on building AI wrappers and applications quickly instead of worrying about the infrastructure.

ShipGPT is a complete Next.js AI app boilerplate made for launching AI wrappers and SaaS products easily. It integrates with AI APIs for every possible use case (conversation, audio, video, image), and lets you train your models. ShipGPT supports most major AI model providers such as OpenAI, Google Gemini, Anthropic, Langchain, and Pinecone. You can easily build AI wrappers such as custom conversational chatbots for documents and videos, speech-to-text, and text-to-speech apps. ShipGPT also includes server-side rendering and automatic static optimization for fast load times and performance out of the box. The boilerplate was built by an experienced team that created and scaled multiple AI products.

TemplateAI is a NextJS boilerplate that makes shipping AI wrappers and apps a breeze. You can build text generation-based apps with Groq and Claude, image generation apps using Replicate (using SDXL, Flux, and more), and handle vector search with LangChain and Supabase pgvector. TemplateAI also has pre-built landing page components, dashboard, API routes, Magic Link and Google OAuth user authentication, and of course, Stripe payments to monetize your AI product. Mobile responsiveness and SEO settings are available out of the box. TemplateAI removes all the repeatable stuff so you can focus on launching your AI wrapper quickly.

StartKit is a comprehensive Node.js boilerplate made specifically for building AI apps and wrappers in record time. Created by prolific makers, Danielle & James Ivings, StartKit includes pre-built REST API routes for common AI model providers such as OpenAI, Anthropic, Groq, and Llama, as well as text embeddings and Retrieval-Augmented Generation (RAG). It also has advanced retries and fallbacks so your AI wrapper will keep running even if primary AI providers are down. StartKit has user authentication, Stripe or Lemon Squeezy payment processing, and a full admin dashboard. You can also quickly get up to speed with one of the fully functional and extendable demo apps.