Open Source Boilerplates

Next.js

• NextacularOpen SourceSaaS – Starter kit for modern SaaS development with multi-tenancy, Stripe integration, and customizable logins.
• Enterprise SaaS Starter KitOpen SourceSaaS – Docker, Postgres, Prisma, and Playwright for seamless E2E testing.
• Next ForgeOpen SourceSaaS – Offers a robust Next.js foundation for modern web apps with minimal configuration required.
• Next.js Subscription Payments StarterOpen SourceSaaS – Integrated features like Vercel deployment, Supabase, GitHub OAuth.
• CascadeOpen SourceSaaS – Open-source SaaS boilerplate enhances scalable rapid development with Next.js, tRPC, authentication, and CI/CD features.
• AlPackOpen Source – Robust boilerplate enhancing performance and scalability with tools like Storybooks, testing scripts, supporting swift market delivery.
• Graphile StarterOpen Source – Efficient full-stack development with React, Node.js, GraphQL, PostgreSQL, and integrations.
• Next Supabase Stripe StarterOpen Source – Powerful SaaS boilerplate utilizing Next.js, Supabase, Stripe, shadcn/ui; supports modular code and auth providers.
• Next.js BoilerplateOpen Source – Scalable, production-ready solution for fast web app development with best practices, testing, and performance focus.
• Next EnterpriseOpen SourceSaaS – Open-source template for high-performance apps with Tailwind CSS, TypeScript, ESLint, Prettier; supports Zustand, Jotai, Recoil.
• V1 RunOpen Source – Starter kit enhances development efficiency with streamlined tools and settings for rapid prototyping.
• PlayOpen Source – Designed for SaaS startups, this boilerplate integrates essential pages, frameworks, and components for flexible development.

Laravel

• WaveOpen SourceSaaS – Billing, user management, SEO blog, and theme system, built on Laravel and Tailwind.
• VelocityOpen SourceSaaS – SaaS application using Laravel and React, featuring Stripe billing and multi-tenant support.
• ElectrikOpen SourceSaaS – Starter kit streamlining SaaS development with Livewire, TailwindCSS, billing, and team management.
• JetstreamOpen SourceSaaS – Authentication, session management, API integration, and two frontend options.

Flask

• MakerkitOpen Source – Flexible SaaS Boilerplate leveraging Next.js, Supabase, React v19, Typescript, and Tailwind CSS for efficient app development.
• Flask App BuilderOpen Source – Security, CRUD, Google Charts, and diverse login options for easy integration.
• EnfernoOpen Source – Efficient Python framework leveraging Flask for scalable, maintainable web apps. Ideal for all skill levels, open-source.

Django

• ApptensionOpen SourceSaaS – Featuring user authentication, payment integration, and multi-tenant support.
• YaSaasOpen SourceSaaS – Supporting Stripe for monetizing data with robust control features.
• Django RocketOpen SourceSaaS – Designed for indie developers and SaaS startups, this Django boilerplate speeds up development with built-in auth and billing.

Node.js

• Enterprise SaaS Starter KitOpen SourceSaaS – Docker, Postgres, Prisma, and Playwright for seamless E2E testing.
• Scale To Zero AWSOpen SourceSaaS – Integration of frontend, backend, AWS serverless infrastructure for streamlined, efficient, scalable application development.
• OpenSaaSOpen SourceSaaS – Full-stack template featuring React, NodeJS, TypeScript, Stripe, and admin dashboard.

Java

• OpenkodaOpen Source – Enables fast, scalable system development with seamless integration and automation.
• Full Stack SeedOpen Source – Modern UI, efficient development, and expert guidance.
• BootifyOpen Source – App development with customizable setups and major database support, enhancing rapid prototyping.

Svelte

• Launch LeopardOpen SourceSaaS – Boilerplate for SaaS, and AI apps featuring TypeScript, Stripe, TailwindCSS, and SEO.
• Just ShipOpen SourceSaaS – Authentication, payments, analytics, SQLite, Turso, Vercel support, and more.
• SaaS Starter WorkOpen SourceSaaS – Cloudflare, Supabase integration, user auth, pricing page, and blog engine.

Ruby on Rails

• Bullet TrainOpen Source – Integrates with tools, provides scalable app frameworks globally.
• Rails Tabler StarterOpen Source – User auth, role mgmt, and pre-built UI layouts.

Flutter

• NyloOpen SourceMobile – Mobile app development; features routing, secure storage, networking, and state management.
• FlutFastOpen SourceMobile – Comprehensive Flutter SaaS boilerplate with authentication, onboarding, monetization, plus Firebase, Supabase, RevenueCat integration.

ASP.NET

• Orchard CoreOpen SourceSaaS – Managing multiple sites. Customize and translate effortlessly with modular components.
• CloudscribeOpen SourceSaaS – Core library simplifying web app development with multi-tenant management, user roles, and content management.

React

• OpenSaaSOpen SourceSaaS – Full-stack template featuring React, NodeJS, TypeScript, Stripe, and admin dashboard.

Golang

• PagodaOpen Source – Starter kit with SSR, SQLite, task queues, and ORM integration.

Astro

• Awesome NestOpen Source – NestJS, TypeScript, Postgres, and TypeORM, with Deno and Bun support.

Nest.js

• Freedom StackOpen Source – Full-stack starter kit with htmx, Tailwind, TypeScript, authentication, databases, and SMTP email integration.