11+ Best SaaS Starter Kits to Launch Faster in 2025

It may take a long time to build a SaaS product from scratch. Managing user logins, payment systems, app growth, and security can be overwhelming. Especially when you need to launch your website fast. That’s where a SaaS Starter Kit comes in.

In this article, we’ll show you the 11+ best SaaS starter kits that every developer needs to know. And there’s one you must use. 

However, these kits simplify your development, speed up your launch, and give you a strong app foundation. Keep reading to find the best starter kit that fits your needs. 

Best SaaS Starter Kits

So many starter kits are available on the market, but here you will find the best SaaS starter kits that keep you ahead of the competition and save time. Here are 11+ handpicked SaaS Starter Kits for 2025, ideal for building and scaling AI SaaS, tools, and more.

AIStarterKit 

AiStarterKit is a production-ready, comprehensive Next.js AI starter kit designed to build AI-powered applications. It comes with key features like auth, Stripe billing, database, dashboards, AI APIs, and more. 

However, in minutes, you can build and launch AI tools like text, image, code, video, and email. It lets you build, launch, and quickly grow AI products.

Key Features:

• Tech Stack: Built with Next.js, React, TypeScript, and Tailwind CSS for a seamless, fast, and scalable experience.
• AI Integrations: Link to top AI tools like OpenAI and Midjourney for a seamless and smooth experience.
• Features Integrations: Log in (Auth.js), payments (Stripe), database (PostgreSQL with Drizzle ORM), and transactional emails (SMTP or Resend).
• Ready Pages: Use pages such as about, contact us, pricing, blog, docs, auth pages, 404 error pages, and more.
• Custom Design: Change layouts, add features, and tweak code to suit your needs.
• Responsive UI: The layout works well on mobile, tablet, and desktop for a smooth experience.
• Conversion Driven Design: Simple, modern UI that helps get more sign-ups, keep users engaged, and reduce drop-offs.
• Lifetime Free Updates: Get new updates regularly on features and issues.

Tech Stack:

• Next.js 15
• Tailwind CSS v4
• Drizzle ORM
• PostgreSQL
• Auth.js v5
• OpenAI API
• Stripe
• next/i18n
• Nodemailer

Pricing: Premium

Demo Link

Solid – Next.js SaaS Starter Kit

Solid is a comprehensive Next.js SaaS starter kit designed to create fully functional AI-driven websites for startups. It is built with Next.js 15, React, and TypeScript, which are required for a swift launch. 

In addition, this Next.js SaaS kit has everything you need. It offers Authentication, Database, Blog Management, Business Pages, and key UI components.

Key Features:

• Modern Tech Stack: Built with Next.js, React, TypeScript, and Tailwind CSS for a smooth experience.
• Secure Authentication: Integrated NextAuth.js with multi-factor authentication and social logins.
• Database and Payments: Uses PostgreSQL, Stripe for billing, and Sanity CMS for content management.
• Pre-built Pages: Use pages like pricing, about, contact, dynamic blog, dynamic docs, auth-integrated login, auth-integrated registration, and more with dark mode support.
• Email: Supports SMTP transactional emails and Mailchimp integration.
• SEO Optimized: Fast-loading, SEO-friendly design for better search engine rankings.

Tech Stack:

• Next.js 15
• React 19
• TypeScript
• PostgreSQL
• Prisma ORM
• MDX
• Sanity Integration
• NextAuth.js
• Stripe
• Tailwind v4
• Mailchimp

Pricing: Freemium

Demo Link

AI Tool – OpenAI SaaS Starter Kit

The AI Tool, an AI SaaS Starter Kit, is a simple solution for developers who want to build and deploy AI-powered SaaS applications. It has examples, integrations, and pages to help you start your AI startup quickly. 

It also comes with Tailwind CSS, which ensures a smooth, responsive UI across all devices.

Key Features:

• Advanced Technology: Built with Next.js 15, React, and TypeScript. It loads fast, supports server-side rendering (SSR), and has dynamic routing.
• Easy Integration: Quickly connect to OpenAI models with a simple API key.
• Interactive AI Demos: Six ready-to-use AI examples for demos and production.
• Strong Backend: Connects to PostgreSQL and provides secure login with NextAuth.
• Payments: Use Stripe for easy subscription payments and flexible pricing.
• SEO and Speed: Fast loading, server-side rendering, and designs that help with SEO.
• MDX Docs Support: Easily create your docs portal with the built-in MDX system.

Tech Stack:

• Next.js 15
• Tailwind CSS V4
• TypeScript
• PostgreSQL
• Sanity CMS
• Auth.js
• OpenAI 
• MDX
• Stripe

Pricing: Premium

Demo Link

Startups – Next.js SaaS Starter Kit

The Next.js SaaS Starter Kit Startups template is a production-ready boilerplate designed for fully functional SaaS startup websites. 

Although it includes Auth, DB, Blog, and all the essential components for a fast launch. Additionally, it provides full tech stacks, support, and features to build a modern startup website quickly.

Key Features:

• Next.js 15, React, and TypeScript: Enjoy fast loading and modern development.
• NextAuth Authentication: Provides secure logins.
• PostgreSQL Database: Uses Prisma ORM for better performance.
• Stripe: Makes payments easy with subscriptions.
• MDX & Sanity Blog: Let’s you manage content flexibly.
• Pre-built Pages: Provide many ready-to-use pages such as about, contact us, pricing, blog, docs, auth pages, 404 error pages, and more.
• Tailwind CSS: Provides a customizable, responsive design.

Tech Stack:

• React 19
• Next.js 15
• Tailwind CSS v4
• TypeScript
• Node.js
• MDX
• Sanity CMS
• PostgreSQl
• Prisma ORM
• NextAuth.js
• Stripe

Pricing: Freemium

Demo Link

SaaSBold 

SaaSBold is a full-stack, production-ready Next.js SaaS Boilerplate and starter kit designed to launch SaaS products swiftly and efficiently. It has optimal developer experience, front and backend functionality, integrations, and more.

However, it’s made for fast setup and easy growth. You can launch your SaaS startup in a day with the latest tech, great support, and lifetime updates.

Key Features:

• Architecture: Built with Next.js 15, React 19, and TypeScript for a modern, scalable structure.
• AI Integration: Easily integrates with OpenAI to build AI-powered apps.
• Blog Management: Use Sanity CMS to create and manage blog content easily.
• Scalable Database: PostgreSQL by Vercel offers high performance and scalability.
• Payments: Stripe lets your transitions be smoother.
• Code Quality: Follows Next.js best practices for clean, reliable code.
• TypeScript: The template is fully coded in TypeScript for better clarity and maintenance.
• SEO & Speed: Built with SEO best practices and optimized for fast loading.

Tech Stack:

• Next.js 15
• React 19
• Tailwind CSS v4
• PostgreSQL
• Prisma
• NextAuth
• Mailchimp
• OpenAI
• next/i18n
• Email API
• Figma
• Stripe / LemonSqueezy / Paddle

Pricing: Freemium

Demo Link

Play – Free SaaS Starter Kit

Play SaaS Starter Kit is a powerful, open-source, production-ready Next.js starter kit designed to help SaaS startups, apps, businesses, and beyond. This kit has a simple design, features, integrations, and UI components. 

Moreover, it has authentication, Stripe integration, and other necessary features. It provides all the tools to launch your website for free. 

Key Features:

• Architecture: Built with Next.js and styled using Tailwind CSS v4 for a modern, responsive design.
• Database: PostgreSQL ensures reliable, scalable data storage.
• NextAuth Authentication: Secure login with support for various methods.
• Stripe Integration: Easily accepts subscription payments via Stripe.
• MDX for Blogging: Create content using MDX, combining Markdown with JSX.

Tech Stack:

• Next.js 
• React 
• TypeScript
• Tailwind CSS
• PostgreSQL
• NextAuth.js
• Stripe
• MDX

Pricing: Free

Demo Link

Best creative website template Learn More.

Nextacular – Open Source SaaS Starter Kit

Nextacular is an open-source tool that helps to build multi-functional SaaS apps quickly and easily. It gives developers everything they need to start and launch a SaaS platform.

Although the stack uses Next.js, Tailwind, and Prisma, it creates a fast, scalable, and SEO-friendly platform in a few clicks. 

Key Features:

• Tech Stack: Uses Next.js, Prisma, Tailwind CSS, and Stripe, which make it easy to build and scale.
• Database Integration: Prisma ORM helps connect to databases like PostgreSQL, MySQL, and Aurora for fast data management.
• Stripe: Using webhooks and APIs for smooth billing.
• MIT License: It can be used freely for personal or commercial purposes.
• Support and Documentation: You get regular updates with detailed documentation and a helpful Discord community.
• Email Integration: Connects with email services like SendGrid, Mailgun, and SES to send notifications.

Tech Stack:

• Next.js  
• PostgreSQL, MySQL, Aurora
• Next-Auth
• Stripe
• Tailwind CSS
• Prisma
• Vercel
• SendGrid, Mailgun, and SES
• NPM libraries

Pricing: Free

Demo Link

Supastarter

Supastarter is a production-ready saas starter kit that helps developers create stunning websites easily and quickly. The kit includes a ready-made foundation and key features. 

Moreover, it’s built with Next.js, Nuxt, and SvelteKit. It gives you a clean, modular, and customizable codebase. So that you can focus on your product, not rebuilding everything.

Key Features:

• Authentication: Offers login methods like password, magic link, and OAuth with role-based access. 
• Billing: Works with Stripe, Lemonsqueezy, and Polar to manage subscriptions.
• Internationalization (i18n): Supports multiple languages with Nuxt 3 for Vue.js apps.
• Email System: Custom templates for transactional emails.
• Modern UI: Designed with Tailwind CSS and Radix UI for responsive and customizable layouts.
• AI Integration: Includes an AI chatbot using Next.js.

Tech Stack:

• Next.js 
• I18n
• Prisma ORM
• Tailwind and Radix
• Stripe and Lemonsqueez
• Email
• REST API 
• next.js Auth

Pricing: Premium ( Lifetime Deal )

Demo Link

Appline – Next.js SaaS Starter Kit

Appline is a Next.js starter kit that helps you easily build mobile apps and SaaS websites. It uses modern technology and pre-made pages for easy development. Moreover, it has a login, database setup, blog, business pages, and other essential UI features. 

You get everything that helps you to launch a successful mobile app or saas website. 

Key Features:

• Tech Stack: Built with Next.js, React, Tailwind CSS, and TypeScript for fast performance and easy scaling.
• Authentication: NextAuth.js is used for secure logins, including social logins, magic links, and traditional logins.
• Database Integration: Seamlessly integrate with your PostgreSQL database using Prisma ORM.
• Blog Management: MDX and Sanity CMS are used to manage posts.
• Payment Gateway: Supports Stripe for secure payments.
• Search Functionality: Uses Algolia for quick, AI-powered search.

Tech Stack:

• Next.js 15
• React 19
• Tailwind CSS
• TypeScript
• Sanity CMS
• MDX
• PostgreSQL
• Stripe
• MailChimp

Pricing: Freemium

Demo Link

Just Ship – Open source SaaS starter kit

JustShip is an open-source SaaS starter kit that helps you quickly build web applications using Svelte 5 and SvelteKit. It gives developers ready-made templates to focus on making unique features instead of basic functions.

Key Features:

• Technology: Svelte 5, Turso (SQLite) with Drizzle ORM, Vercel hosting, and Postmark for email.
• Authentication: Magic Link and Google login with Lucia and Turso DB.
• Styling: daisyUI with 30+ styles, dark mode, and landing page components.
• Payments: Stripe integration with webhook support.
• Analytics: PostHog is set up with a Vercel proxy for ad blockers and A/B testing.

Tech Stack:

• Vercel
• SQLite
• Drizzle ORM
• Lucia
• Stripe
• PostHog
• Postmark

Pricing: Freemium

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UseSaaSkit

useSaaSkit is a pre-built next.js and react native saas starter kit designed to build SaaS apps. It helps you create web apps faster. 

However, this starter kit has all the tools you need: login, multiple organizations, admin features, payments, marketing pages, analytics, and AI ready to use.

Key Features:

• Authentication: Secure logins with OAuth and role-based access control.
• Support: Manage several organizations within the app.
• Dashboard: A panel dashboard for the super admin to manage users and data.
• Billing: Stripe integration for secure payments.
• Integration: Connect with Posthog or Google Analytics to track results or other metrics.
• SEO Optimization: Built-in features for better search engine ranking.

Tech Stack:

• Next.js
• Tailwind CSS
• PostgreSQL
• Supabase Auth
• Stripe
• Posthog 
• TypeScript
• Email

Pricing: Premium

Demo Link 

OpenSaaS

OpenSaaS is a free and open-source SaaS starter kit designed to help developers build full-stack applications quickly and easily. It uses Wasp, React, Node.js, and Prisma to help you build apps easily. 

However, Wasp makes full-stack development easier, so you can focus on building your product instead of dealing with extra code.

Key Features:

• Authentication: Allows logins with email, Google, GitHub, and Discord.
• Payments: Supports Stripe and Lemon Squeezy for subscription management.
• AI Integration: Includes OpenAI’s API examples and plans for more integrations.
• Admin Dashboard: Built-in dashboard with support for Plausible or Google Analytics.
• Email: Works with SendGrid, EmailGun, and SMTP for transactional emails.
• File Upload: Uses AWS S3 for file storage.
• Documentation: Provides detailed guides and community support.

Tech Stack:

• react.js 
• React
• MongoDB
• Stripe
• OpenAi
• Prisma ORM
• Astro
• SendGrid

Pricing: Free

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Conclusion

To sum up, choosing the best SaaS starter kit can speed up your app launch. Whether you want a simple template or a complete solution, AIStarterKit and SaaSBold offer both.

However, they have features like login, payment, AI tools, modern customization, integrations, and more. 

It helps to save time, stay updated with trends, and speed up your launch. Pick the right starter kit that fits your business and start building now!

Personal Feedback: I recommend AIStarterKit for building AI apps. It works well with OpenAI. Moreover, SaaSBold is great for fast SaaS setup. It has lots of features and can grow with you. Both saved me time and helped me focus on my product. I recommend them for quick launches!