Top boilerplates with built-in authentication, social login, and user management.
The average SaaS founder spends 2-3 weeks on authentication alone — and that is just for basic email/password login. Add social providers, magic links, multi-factor authentication, email verification, password reset, session management, and role-based access control, and you are looking at a month of work before touching your actual product. Auth bugs are also among the most dangerous: a broken session flow or misconfigured JWT can expose user data and tank your credibility before you even launch. Boilerplates with authentication pre-built eliminate this entire risk surface. The starters in this roundup ship with production-ready auth using providers like Clerk, Auth.js (NextAuth v5), Better Auth, Supabase Auth, or Lucia. In 2026, the auth landscape has consolidated around a few key patterns: server-side session tokens over JWTs for better security, passkey support as a first-class login method, and organization-level multi-tenancy where teams manage their own members and roles. We evaluated each boilerplate by sign-up flow polish, social provider breadth (Google, GitHub, Apple, Microsoft), MFA support, organization and team management, invitation flows, and how cleanly the auth layer integrates with middleware, API routes, and database row-level security. We also tested for newer requirements like bot detection during sign-up, rate-limited login attempts, and session revocation across devices. If you are building a SaaS where users trust you with their data — which is every SaaS — starting with a battle-tested auth implementation saves weeks of engineering and avoids the security pitfalls that trip up teams rolling their own.
The NextJS boilerplate with all you need to build your SaaS, AI tool, or any other web app and make your first $ online fast.
The ultimate Next.js starter kit for building production-ready SaaS applications with Supabase.
Production-ready SaaS starter kit for Next.js and Remix with Firebase or Supabase backend.
SaaS boilerplate available for Next.js, Astro, and SvelteKit. Ship your startup in days.
The Next.js SaaS boilerplate that helps indie hackers launch faster with Supabase and Stripe.
The open-source SaaS framework built on Remix with multi-tenancy, RBAC, and full admin panel.
A free, open-source SaaS starter with Next.js, Stripe, NextAuth, and Prisma. Built by Lee Robinson.
An open-source starter kit to quickly launch multi-tenant SaaS apps with Next.js, Prisma, and Stripe.
A modern full-stack SaaS boilerplate with Next.js, Clerk auth, Stripe billing, and Prisma ORM.
A lightweight SaaS boilerplate for indie hackers. Next.js, Supabase, Stripe, and Tailwind CSS.
Ship your SaaS fast with Next.js, Supabase or Prisma, and Stripe. Includes auth, payments, and email.
The best way to start a full-stack, typesafe Next.js app. Includes tRPC, Prisma, NextAuth, and Tailwind.
A free, open-source Next.js starter with Payload CMS for content management, built-in admin panel and auth.
The Missing Fullstack Toolkit for Next.js. Built on Next.js with zero-API data layer, Prisma, and code scaffolding.
SvelteKit SaaS boilerplate with authentication, payments, email, and SEO built-in for rapid shipping.
SvelteKit starter with Stripe, Supabase auth, SEO, and email — ship your SaaS in days.
Nuxt 3 SaaS boilerplate with authentication, billing, and a beautiful landing page template.
Astro starter with Stripe payments, auth, blog, and landing pages for content-driven SaaS.
Django-based SaaS framework with built-in billing, access control, and multi-tenant support.
Official Laravel SaaS scaffolding with billing via Stripe/Paddle, team management, and user profiles.
Free open source Laravel SaaS starter with auth, billing, user profiles, notifications, and blog.
Production-ready Remix starter by Kent C. Dodds with auth, testing, monitoring, and best practices.
T3 Stack monorepo starter with Next.js, Expo, tRPC, Tailwind, Drizzle, and NextAuth in a Turborepo.
Enterprise-ready Node.js SaaS boilerplate by BoxyHQ with SAML SSO, directory sync, and audit logs.
MongoDB, Express, React, Node.js full-stack boilerplate with auth, roles, and REST API scaffolding.
Production-ready FastAPI project template with async SQLAlchemy, Alembic migrations, Docker, and JWT auth.
Flutter SaaS boilerplate for mobile apps with authentication, payments, push notifications, and analytics.
Ruby on Rails admin framework and content management system with custom dashboards and CRUD generation.
Free open source React + Node.js SaaS starter by Wasp with auth, Stripe, OpenAI integration, and admin dashboard.
TypeScript SaaS boilerplate with Next.js, Stripe, AWS, multi-tenancy, and CI/CD pipeline ready.
SvelteKit SaaS starter for indie hackers with Lucia auth, Stripe billing, and Drizzle ORM.
Official Nuxt UI Pro SaaS template with dashboard, landing page, auth, and premium components.
Production-ready Remix SaaS boilerplate with multi-tenancy, Stripe subscriptions, and admin panel.
Lean Django SaaS starter with auth, Stripe billing setup, Postgres, Redis, Celery, Tailwind, HTMX, Alpine.js, and Django admin workflows.
Open-source Laravel SaaS boilerplate with user accounts, Stripe subscriptions, role management, API access patterns, media management, and a Vue frontend.
20+ SaaS starters compared: pricing, tech stack, auth, payments, and what you actually ship with. Updated monthly. Used by 150+ founders.
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