$199
Serverless SaaS
A starter kit to build a SaaS app faster with React, Next.js, Tailwind, Stripe, and Firebase
JavaScript
TypeScript
React
Tailwind CSS
Firestore
Stripe
Next.js
Features:
Admin
Auth
Blog
CMS
Emails
Landing Page
Serverless
+2 more
Auth Boilerplates
Explore 109 boilerplates in this collection. Find the perfect starting point for your next project.
Other Features & Functionality91
1-Click Deploy
2FA
Access Control
Admin
AI
Analytics
Animations
Announcements
API
Auth
AWS
Backend
Background Jobs
Billing
Blog
Caching
Changelog
Charts
ChatGPT
CI/CD
Clean Architecture
CMS
Community
Contact
ContentLayer
CRUD
Dark Mode
Dashboard
Deployment
Developer Tools
Docker
Docs
Emails
Feature Flags
Feedback
GDPR
Google OAuth
i18n
IaC
IAP
Invites
JWT
Landing Page
Legal Pages
Logging
Magic Links
Markdown
Marketing
Mobile Development
Monetization
Monitoring
Monorepo
Multi-Tenancy
Navigation
Newsletter
Notifications
OAuth
Onboarding
OpenAI
Organizations
ORM
Page Builder
Payments
Paywalls
Prettier
Pricing
Profiles
Protected Routes
Responsive
Roadmap
SEO
Serverless
Settings
Social Login
SSR
State Management
Storage
Storybook
Subscriptions
Support
Teams
Templates
Testing
Themes
Type-Safe
UI Components
User Impersonation
Users
Waitlist
Webhooks
WebSockets
$81
31SaaS
NextJs boilerplate that has everything you need to build a working product, not MVP
JavaScript
TypeScript
Radix UI
React
shadcn/ui
Tailwind CSS
Appwrite
Stripe
Next.js
Features:
Admin
Auth
Blog
ContentLayer
Emails
GDPR
JWT
+7 more
$99
BuilderKit
Highly modular NextJS AI Boilerplate that allows you to ship an AI App super fast
JavaScript
TypeScript
shadcn/ui
Tailwind CSS
PostgreSQL
Supabase
Lemon Squeezy
Stripe
Next.js
React
Features:
Admin
AI
Auth
ChatGPT
Deployment
Docs
Emails
+7 more
$299
SaaS Hammer
Django boilerplate with Hotwire integration for rapid SaaS development
JavaScript
Python
TypeScript
Stimulus
Tailwind CSS
PostgreSQL
Stripe
Django
Hotwire
Wagtail
Features:
2FA
Auth
Charts
CI/CD
CMS
Landing Page
Prettier
+5 more
$169
SlimSaaS Kit
The lean, high-performance django + react starter kit for building SaaS applications quickly
JavaScript
Python
TypeScript
DaisyUI
React
Tailwind CSS
Django ORM
Stripe
Astro
Django
React
Features:
2FA
Auth
Blog
Docker
Emails
Marketing
Monitoring
+2 more
$69
ShipAppFast
Swift boilerplate with modules to build your iOS app, AI tool, or game quickly
Swift
SwiftUI
Firestore
RevenueCat
StoreKit 2
GameKit
SpriteKit
SwiftUI
Features:
AI
Analytics
Auth
Logging
Mobile Development
Onboarding
Payments
+1 more
$98
NextReady
Ready-to-use Next.js template with Prisma, TypeScript, and modern UI components
JavaScript
TypeScript
shadcn/ui
Tailwind CSS
PostgreSQL
Lemon Squeezy
Xendit
Next.js
Features:
Access Control
Admin
AI
Auth
AWS
Blog
Emails
+8 more
$169
NextStarter AI
The Next.js template to quickly create your SaaS, AI tool, or any web application
JavaScript
TypeScript
Tailwind CSS
Supabase
Lemon Squeezy
Stripe
Next.js
Features:
AI
Analytics
Animations
API
Auth
Blog
Emails
+7 more
Free
Cascade
Free and open-source SaaS boilerplate
JavaScript
TypeScript
shadcn/ui
Tailwind CSS
PostgreSQL
Lemon Squeezy
Next.js
tRPC
Features:
Analytics
Auth
Background Jobs
Blog
CI/CD
Dark Mode
Emails
+7 more
Showing 9 of 109 boilerplates
Why Choose Auth Boilerplates?
Auth represents a complete full-stack feature with dedicated API endpoints, database models, and UI components architected for SaaS applications. Our boilerplates with Auth implement layered architecture patterns—separating business logic, data access, and presentation—with security measures and testing strategies specific to Auth's functionality.
Auth boilerplates implement full-stack architecture with service layers for business logic, repository patterns for data access, and RESTful/GraphQL API endpoints. They include Auth-specific security measures like input validation with schema libraries (Zod, Joi), parameterized queries for SQL injection prevention, and CSRF protection. The implementation handles Auth's real-time requirements with WebSockets or SSE when needed, includes comprehensive error handling, and follows OWASP security guidelines for Auth's functionality.
Key Benefits
- Auth layered architecture
- Auth-specific security measures
- Auth API endpoint design
- Auth real-time capabilities
- Auth validation schemas
- Auth error handling
- Auth testing suite
- Auth performance optimization
Browse our collection of 109 Auth boilerplates to find the perfect starting point for your next SaaS project. Each boilerplate has been carefully reviewed to ensure quality, security, and production-readiness.
Frequently Asked Questions
How is Auth architecturally implemented?
Auth is implemented following full-stack architecture patterns with dedicated API endpoints, database models with proper relationships, and corresponding UI components. The feature includes its own service layer for business logic, validation schemas, error handling, and event-driven updates. The architecture separates concerns between presentation, business logic, and data access layers, making Auth maintainable and testable.
What security measures protect Auth?
Auth implements defense-in-depth security including input validation with schema validation libraries (Zod, Joi, Yup), parameterized database queries to prevent SQL injection, output encoding to prevent XSS attacks, CSRF token validation, and proper authentication/authorization checks. The feature includes rate limiting, audit logging, and follows OWASP security guidelines specific to Auth's functionality.
How does Auth handle real-time updates?
Auth can include real-time capabilities using WebSockets, Server-Sent Events (SSE), or polling strategies depending on the use case. Real-time implementations use Socket.io, native WebSockets, or framework-specific solutions with proper connection management, authentication, and scaling considerations. The feature handles reconnection logic, message queuing, and optimistic UI updates for responsive user experience.
What API patterns does Auth use?
Auth's API endpoints follow RESTful principles or GraphQL patterns with proper HTTP methods, status codes, and response structures. The implementation includes request validation, pagination for list endpoints, filtering and sorting capabilities, and comprehensive error responses with meaningful messages. API versioning, rate limiting per endpoint, and OpenAPI/GraphQL schema documentation are included for Auth's public-facing endpoints.
How is Auth tested and validated?
Auth includes unit tests for business logic, integration tests for API endpoints and database interactions, and end-to-end tests for critical user flows. The testing suite uses framework-specific tools (Jest, Pytest, RSpec, PHPUnit) with mocking libraries, test fixtures, and database seeding. Tests cover happy paths, error cases, edge conditions, and security scenarios specific to Auth's functionality with proper test coverage reporting.