Themes Boilerplates

Explore 23 boilerplates in this collection. Find the perfect starting point for your next project.

Visit website for NetCoreSaaS

NetCoreSaaS

SaaS Codebase on .NET with Vue, React, Svelte and Tailwind CSS

C#
React
Tailwind CSS
MySQL
PostgreSQL
Stripe
.NET
React
Svelte
SvelteKit
Vue.js

Features:

AI
API
Auth
Clean Architecture
Dashboard
i18n
Invites
+6 more
Visit website for Shipixen

Shipixen

Generate and deploy Next.js 15 websites with MDX blog in minutes

JavaScript
TypeScript
shadcn/ui
Tailwind CSS
Next.js
React

Features:

AI
Blog
Charts
ContentLayer
Dark Mode
Landing Page
Markdown
+7 more
Visit website for QuickLanding

QuickLanding

React landing page boilerplate with easy customization

JavaScript
TypeScript
React
Tailwind CSS
MongoDB
Stripe
Express
React
Vite

Features:

AI
Animations
Auth
Payments
Responsive
SEO
Themes
Visit website for ShipFlutter

ShipFlutter

A fully customizable starter kit to seamlessly launch responsive Android, iOS, and Web apps with Flutter powered by Firebase and Vertex AI.

Dart
Custom UI
Material
Firestore
Lemon Squeezy
RevenueCat
Firebase
Flutter

Features:

AI
Analytics
Auth
Backend
CRUD
Feedback
i18n
+11 more
Visit website for NextSaaS

NextSaaS

The All-In-One Boilerplate to Transform Your Product into SaaS in Hours

JavaScript
Python
TypeScript
DaisyUI
HeadlessUI
Tailwind CSS
MongoDB
MySQL
PostgreSQL
Stripe
FastAPI
Next.js
React

Features:

Admin
AI
Analytics
Auth
Blog
CMS
Dark Mode
+10 more
Visit website for NextStarter AI

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
Visit website for Lightning Rails

Lightning Rails

Ruby on Rails boilerplate with everything needed to build SaaS, AI tools, or web apps quickly

Ruby
DaisyUI
Tailwind CSS
Stripe
Ruby on Rails

Features:

Admin
AI
Auth
Community
Emails
Legal Pages
Magic Links
+4 more
Visit website for Cascade

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
Visit website for Nextless.js

Nextless.js

Next.js + Serverless SaaS Starter Kit with Authentication, Payment, Teams, and Dashboards

JavaScript
TypeScript
Tailwind CSS
DynamoDB
MongoDB
MySQL
PostgreSQL
Stripe
AWS CDK
Next.js
Serverless Framework

Features:

2FA
Admin
API
Auth
AWS
Background Jobs
Clean Architecture
+13 more

Showing 9 of 23 boilerplates

Why Choose Themes Boilerplates?

Themes represents a complete full-stack feature with dedicated API endpoints, database models, and UI components architected for SaaS applications. Our boilerplates with Themes implement layered architecture patterns—separating business logic, data access, and presentation—with security measures and testing strategies specific to Themes's functionality.

Themes boilerplates implement full-stack architecture with service layers for business logic, repository patterns for data access, and RESTful/GraphQL API endpoints. They include Themes-specific security measures like input validation with schema libraries (Zod, Joi), parameterized queries for SQL injection prevention, and CSRF protection. The implementation handles Themes's real-time requirements with WebSockets or SSE when needed, includes comprehensive error handling, and follows OWASP security guidelines for Themes's functionality.

Key Benefits

  • Themes layered architecture
  • Themes-specific security measures
  • Themes API endpoint design
  • Themes real-time capabilities
  • Themes validation schemas
  • Themes error handling
  • Themes testing suite
  • Themes performance optimization

Browse our collection of 23 Themes 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 Themes architecturally implemented?

Themes 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 Themes maintainable and testable.

What security measures protect Themes?

Themes 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 Themes's functionality.

How does Themes handle real-time updates?

Themes 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 Themes use?

Themes'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 Themes's public-facing endpoints.

How is Themes tested and validated?

Themes 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 Themes's functionality with proper test coverage reporting.