Auth Boilerplates

Explore 109 boilerplates in this collection. Find the perfect starting point for your next project.

Visit website for SaaSykit

SaaSykit

Laravel-based boilerplate with everything needed to build a SaaS in days

PHP
Alpine.js
Tailwind CSS
Lemon Squeezy
Paddle
Stripe
FilamentPHP
Laravel
Livewire

Features:

1-Click Deploy
2FA
Admin
Announcements
Auth
Blog
Dashboard
+11 more
Visit website for WrapFast

WrapFast

The SwiftUI boilerplate with all you need to build monetizable AI Wrappers or any iOS app FAST

Swift
SwiftUI
Firestore
In-App Purchases
RevenueCat
Express
SwiftUI

Features:

AI
Analytics
Auth
Backend
Dark Mode
Feedback
i18n
+6 more
Visit website for Swift Maker

Swift Maker

The SwiftUI boilerplate that empowers serious iOS developers to transform side projects into profitable apps in record time

Swift
SwiftUI
In-App Purchases
SwiftUI
Vapor

Features:

AI
Analytics
Auth
Backend
CI/CD
Dark Mode
Deployment
+6 more
Visit website for FastestEngineer

FastestEngineer

Build a fully featured SaaS app with Primate.js and Svelte

Go
JavaScript
Python
Ruby
TypeScript
Angular
Handlebars
HTMX
Markdown
Marko
React
Solid
MongoDB
MySQL
PostgreSQL
SQLite
SurrealDB
Stripe
Analog
Next.js
Nuxt
Primate.js
Svelte
SvelteKit
Vue.js

Features:

API
Auth
Blog
CI/CD
Deployment
Docs
Emails
+7 more
Visit website for RailsNotes UI Starter Kit

RailsNotes UI Starter Kit

Ruby on Rails template with pre-built authentication, billing, and password reset functionality

Ruby
Railnotes UI
Paddle
Stripe
Ruby on Rails

Features:

Auth
Background Jobs
Deployment
Docs
OAuth
SEO
Subscriptions
+1 more
Visit website for Nuxflare Pro

Nuxflare Pro

The Complete Nuxt + Cloudflare Starter Kit

JavaScript
TypeScript
Nuxt
Drizzle ORM
Paddle
Stripe
Nuxt
Pulumi
SST.dev
tRPC

Features:

Access Control
AI
Analytics
Auth
Background Jobs
Billing
Caching
+11 more
Visit website for HubTemplate

HubTemplate

Flutter boilerplate for building SaaS, MVPs, and AI applications quickly

Dart
JavaScript
TypeScript
Flutter
Firestore
Stripe
Firebase
Flutter

Features:

AI
Auth
Notifications
Payments
Responsive
Serverless
Storage
+3 more
Visit website for NextJet

NextJet

A Next.js SaaS boilerplate with all key features for your SaaS startup

JavaScript
TypeScript
shadcn/ui
Tailwind CSS
Prisma
Lemon Squeezy
Stripe
Next.js
React
Turborepo

Features:

Admin
Auth
Blog
CI/CD
Dark Mode
Dashboard
Developer Tools
+10 more
Visit website for Business Class

Business Class

A Ruby on Rails starter kit for startup ideas

Ruby
Tailwind CSS
Paddle
Stripe
Hotwire
Ruby on Rails

Features:

2FA
Admin
Auth
Blog
CI/CD
Deployment
SEO
+4 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.