A curated list of open source boilerplates and starter kits for building modern applications. From web development with React & Next.js to mobile apps with React Native, Flutter, and native platforms.
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A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.
Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.
A boilerplate for Node.js web applications
Infinite Red's battle-tested React Native project boilerplate, along with a CLI, component/model generators, and more! 9 years of continuous development and counting.
Get started quickly with Next.js, Postgres, Stripe, and shadcn/ui.
A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.
🚀🎉📚 Nextjs Boilerplate and Starter with App Router and Page Router support, Tailwind CSS 4 and TypeScript ⚡️ Made with developer experience first: Next.js 16 + TypeScript + ESLint + Prettier + Drizzle ORM + Husky + Lint-Staged + Vitest + Testing Library + Playwright + Storybook + Commitlint + VSCode + Sentry + PostCSS + Tailwind CSS ✨
Clone, deploy, and fully customize a SaaS subscription application with Next.js.
A boilerplate for building production-ready RESTful APIs using Node.js, Express, and Mongoose
Production Grade Cloud-Ready .NET 10 Starter Kit (Web API + React Client) with Multitenancy Support, and Clean/Modular Architecture that saves roughly 200+ Development Hours! All Batteries Included.
A React Native template for building solid applications 🐙, using JavaScript 💛 or Typescript 💙 (you choose).
Simple and rapid application development framework, built on top of Flask. includes detailed security, auto CRUD generation for your models, google charts and much more. Demo (login with guest/welcome) - http://flaskappbuilder.pythonanywhere.com/
🔥 Enterprise SaaS Starter Kit - Kickstart your enterprise app development with the Next.js SaaS boilerplate 🚀
Chrome Extension Boilerplate with React + Vite + Typescript
Build your own SaaS business with SaaS boilerplate. Productive stack: React, Material-UI, Next, MobX, WebSockets, Express, Node, Mongoose, MongoDB. Written with TypeScript.
📱 A template for your next React Native project: Expo, PNPM, TypeScript, TailwindCSS, Husky, EAS, GitHub Actions, Env Vars, expo-router, react-query, react-hook-form.
Open-source SaaS Starter with User Roles & Admin Panel. Built using Next.js 14, Prisma, Neon, Auth.js v5, Resend, React Email, Shadcn/ui, Stripe, Server Actions.
A boilerplate project created in flutter using MobX and Provider.
Opinionated SaaS quick-start with pre-built user account and organization system for full-stack application development in React, Node.js, GraphQL and PostgreSQL. Powered by PostGraphile, TypeScript, Apollo Client, Graphile Worker, Graphile Migrate, GraphQL Code Generator, Ant Design and Next.js
Go RESTful API Boilerplate with JWT Authentication backed by PostgreSQL
An open-source starter kit that will help you build full-stack multi-tenant SaaS platforms efficiently and help you focus on developing your core SaaS features. Built on top of popular and modern technologies such as Next JS, Tailwind, Prisma, and Stripe.
A mobile and/or web boilerplate that covers all your MVP needs
Nylo is the fastest way to build your next Flutter mobile app. Streamline your projects with Nylo's opinionated approach to building Flutter apps. Develop your next idea ⚡️
The highest quality SaaS starter with Next.js, Supabase, Stripe, and shadcn/ui
A full stack Next.js, Shadcn, and Supabase directory template. Build your startup directory effortlessly with features like user authentication, product filters, and customizable themes. Advanced admin perks and AI magic.
🚀A template for building Software-as-Service (SAAS) apps with Reactjs, Nextjs, Prisma and OpenAI integration
Modern Flask framework with zero-config frontend (Vue 3 + Vuetify 3), production-ready auth (2FA, passkeys, OAuth), and AI-native development. No webpack, no node_modules, just Python
Simple boilerplate for SAAS. Nuxt3, Supabase, OAuth, Prisma, TRPC, Pinia, Stripe, Tailwind, OpenAI
Nextplate is a free starter template built with Next.js and TailwindCSS. It provides you with almost everything you need to jump-start your Next.js project. Try Nextplate and save yourself hours of work.
Production-ready React Native boilerplate for iOS, Android, and Web with Expo SDK 54, React 19.1, Expo Router v6, Redux Toolkit, TypeScript, and AI-optimized development (Claude/Cursor). Features modern architecture, static web rendering, and automated deployment workflows.
Differents pages and examples apps built with Astro v4.5, shadcn/ui & react js. Open Source.
An opinionated starting point for awesome, reusable Swift 6 modules
Open source browser extension starter kit 🧩
A Flutter template application showcasing - Clean architecture, Responsive design, State management, Decoupled widgets using the connector pattern, Dependency Injection, Widget, Unit, Golden and E2E testing, Navigation, Localization, Material 3 dynamic theming, Continuous Integration and Continuous Deployment.
ReactJS and NodeJS SaaS boilerplate for your next SaaS application 🔜🔛🔝
Production-ready Python template: Choose from FastAPI, SQLAlchemy, Celery, Docker, CI/CD and more. Flexibility that scales from libraries to full applications.
Production-ready Go RESTful API boilerplate with Echo
Boilerplate for Chrome Extension Svelte Typescript project
Supercharge your SAAS development using the django SAAS Boilerplates
.NET Core template in DDD and Clean Architecture approach.
Microservice compatible starter kit for golang saas project
Pinwheel is a multipurpose SaaS theme built with Astro and TailwindCSS.
Open Source Next.js Saas Starter. Built with Better Auth UI, Shadcn/Ui, Drizzle ORM, UploadThing, Resend and Stripe
Flask starter app with celery, bootstrap, and docker environment
A Django SaaS boilerplate
Free and open source Ruby on Rails starter kit built using Tabler
Play Astro is a free, open-source template perfect for startups, SaaS, apps, and businesses. With its high-end design, functional blog and essential components, it's your one-stop solution for launching a complete Astro website.
Laravel Vue SPA Admin Panel
We recommend using this amazing boilerplate (our team now use Makerkit instead of SaaStr): https://makerkit.dev/ -- React SaaS boilerplate to kickstart your new SaaS adventure as fast as possible. Built on top of Adonis JS for the BackEnd and React Starter Kit for the Front-End
Open source, Cloudflare-native web app starter for the AI era
An opinionated Laravel starter kit using Inertia.js and Vue.js w/ PrimeVue components.
iOSKickstart is an iOS app boilerplate generator built with SwiftUI. This tool can be used to generate iOS app with one command line.
Perfect boilerplate templates for TypeScript and Express with Docker, build tool configured and scaffolded with all necessary packages.
Set up a modern node.js api service by running one command.
Boilerplate for creating a Google Chrome Extension with React + TypeScript + Vitejs + TailwindCSS.
Starter Template for creating NPM Packages
A simple Flutter boilerplate template made with ShipFlutter base module. Contains the main structure with state management (signals), dependency injection (lite_ref) and others (theme, slang, etc..)
Craft your next WordPress block theme with a simple foundation ◼️
Django Cookiecutter for starting your projects quickly.
🧩 Production-ready Robyn backend boilerplate generator with flexible project layouts, ORM support, and CLI tooling for fast project setup
🥢 The simplest way to create REST API with Node.js, Express.js, and TypeORM.
production-grade starter kit for modern full-stack web applications
Template project to build websites with Django, React and Bootstrap
A modern and responsive website template built with Next.js, ShadCN UI, and Framer Motion. Inspired by posthyve.com
Go Full is a full-stack project boilerplate template, learning tool, and reference implementation demonstrating a variety of development patterns and practices.
A starter boilerplate for building REST API with Node JS, Express JS, MongoDB
A basic distributed system architecture with ReactJS and Typescript as the frontend, NodeJS and GraphQL as the middleware, NodeJS and Express as the backend, and MongoDB as the database.
A high-performance Express 5 & TypeScript starter for Node 24. Features native async error handling, ESM, and a multi-stage Docker build for ultra-lean production images.
A tiny, production-shaped .NET 10 minimal API built to be driven by AI coding agents (Claude Code, Copilot, Cursor). The free taste of Sharpyard.
Ready-to-use NestJS boilerplate with Google authentication and MongoDB integration.
a super simple email collection template
NextJS SaaS Starter Template
