Staarter.dev

A comprehensive Next.js SaaS template with pre-configured authentication, billing, and localization

Overview

Ship Your SaaS by Tuesday. Skip the Boilerplate.

staarter.dev is your comprehensive Next.js SaaS template that cuts down development time. Start strong with pre-configured features like authentication, billing, and localization — all integrated and ready to deploy.

Core Features

  • Authentication: Secure user authentication with social logins and multi-factor authentication
  • Billing: Integrated subscription management with Stripe, Paddle or LemonSqueezy
  • Localization: Full i18n support for web app and email communications
  • Admin Dashboard: Intuitive user management that's easily extendable
  • Dark Mode: Adaptable light and dark mode support
  • Usage Limits: Set limits for different plans to prevent abuse
  • Streaming AI: Ready-to-use AI integration with Vercel's AI SDK
  • Type-Safe API: End-to-end type safety with tRPC and zod
  • Cloud Storage: S3 integration with nice abstraction layer
  • User Impersonation: Troubleshoot issues by impersonating users
  • Blog: Built-in blog functionality
  • Emails: Transactional emails with react-email

Developer Experience

  • Hot reloading, TypeScript support
  • Code generators for rapid development
  • Modern stack with Next.js and Vercel
  • Comprehensive testing with Cypress and Jest
  • Design system that's easy to customize
  • Mobile-first approach
  • SEO optimizations
  • Accessibility features
  • GDPR compliance
Nikolai Kolodziej's profile picture

Nikolai Kolodziej

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Frequently Asked Questions

JavaScript

What makes JavaScript ideal for SaaS development?

JavaScript excels in SaaS development due to its robust ecosystem, strong typing capabilities, and excellent library support. JavaScript boilerplates leverage language-specific features to provide type-safe database queries, efficient API routing, and optimized runtime performance. The language's maturity means you get battle-tested packages for authentication, payment processing, and background jobs that integrate seamlessly.

TypeScript

What makes TypeScript ideal for SaaS development?

TypeScript excels in SaaS development due to its robust ecosystem, strong typing capabilities, and excellent library support. TypeScript boilerplates leverage language-specific features to provide type-safe database queries, efficient API routing, and optimized runtime performance. The language's maturity means you get battle-tested packages for authentication, payment processing, and background jobs that integrate seamlessly.

Next.js

What Next.js-specific architecture patterns are implemented?

Next.js boilerplates leverage the framework's native architecture patterns including its routing system, middleware pipeline, and controller/handler structure. They implement Next.js's conventions for separating concerns, dependency injection, and service layer patterns. The codebase follows Next.js's best practices for organizing models, views/components, and business logic to ensure maintainability as your application grows.

React

What React-specific architecture patterns are implemented?

React boilerplates leverage the framework's native architecture patterns including its routing system, middleware pipeline, and controller/handler structure. They implement React's conventions for separating concerns, dependency injection, and service layer patterns. The codebase follows React's best practices for organizing models, views/components, and business logic to ensure maintainability as your application grows.

shadcn/ui

What shadcn/ui-specific component architecture is used?

shadcn/ui boilerplates follow the framework's component composition patterns with reusable, atomic design components. They implement shadcn/ui's best practices for component structure, props handling, event management, and lifecycle methods. The component library includes authentication flows, dashboards, data tables, forms with validation, and navigation—all built with shadcn/ui's native features like hooks (React), composition API (Vue), or directives (Angular).

Tailwind CSS

What Tailwind CSS-specific component architecture is used?

Tailwind CSS boilerplates follow the framework's component composition patterns with reusable, atomic design components. They implement Tailwind CSS's best practices for component structure, props handling, event management, and lifecycle methods. The component library includes authentication flows, dashboards, data tables, forms with validation, and navigation—all built with Tailwind CSS's native features like hooks (React), composition API (Vue), or directives (Angular).

MongoDB

What MongoDB-specific features are leveraged in these boilerplates?

MongoDB boilerplates utilize the database's native capabilities including its transaction model (ACID for SQL, eventual consistency for NoSQL), indexing strategies (B-tree, GiST, full-text search), and advanced features like JSON columns, array types, window functions, or document queries. The schema design takes advantage of MongoDB's strengths—whether that's PostgreSQL's JSONB, MySQL's full-text search, MongoDB's aggregation pipeline, or Redis's data structures.

MySQL

What MySQL-specific features are leveraged in these boilerplates?

MySQL boilerplates utilize the database's native capabilities including its transaction model (ACID for SQL, eventual consistency for NoSQL), indexing strategies (B-tree, GiST, full-text search), and advanced features like JSON columns, array types, window functions, or document queries. The schema design takes advantage of MySQL's strengths—whether that's PostgreSQL's JSONB, MySQL's full-text search, MongoDB's aggregation pipeline, or Redis's data structures.

PostgreSQL

What PostgreSQL-specific features are leveraged in these boilerplates?

PostgreSQL boilerplates utilize the database's native capabilities including its transaction model (ACID for SQL, eventual consistency for NoSQL), indexing strategies (B-tree, GiST, full-text search), and advanced features like JSON columns, array types, window functions, or document queries. The schema design takes advantage of PostgreSQL's strengths—whether that's PostgreSQL's JSONB, MySQL's full-text search, MongoDB's aggregation pipeline, or Redis's data structures.

Prisma

What Prisma-specific features are leveraged in these boilerplates?

Prisma boilerplates utilize the database's native capabilities including its transaction model (ACID for SQL, eventual consistency for NoSQL), indexing strategies (B-tree, GiST, full-text search), and advanced features like JSON columns, array types, window functions, or document queries. The schema design takes advantage of Prisma's strengths—whether that's PostgreSQL's JSONB, MySQL's full-text search, MongoDB's aggregation pipeline, or Redis's data structures.

SQLite

What SQLite-specific features are leveraged in these boilerplates?

SQLite boilerplates utilize the database's native capabilities including its transaction model (ACID for SQL, eventual consistency for NoSQL), indexing strategies (B-tree, GiST, full-text search), and advanced features like JSON columns, array types, window functions, or document queries. The schema design takes advantage of SQLite's strengths—whether that's PostgreSQL's JSONB, MySQL's full-text search, MongoDB's aggregation pipeline, or Redis's data structures.

Lemon Squeezy

What Lemon Squeezy API features are implemented?

Lemon Squeezy boilerplates implement the provider's complete API suite including checkout sessions, subscription lifecycle management, customer portal, webhook event handling, and invoice generation. They use Lemon Squeezy's latest API version with proper error handling, idempotency keys, and retry logic. The integration includes Lemon Squeezy-specific features like payment intents, setup intents, subscription schedules, and tax calculation APIs.

Paddle

What Paddle API features are implemented?

Paddle boilerplates implement the provider's complete API suite including checkout sessions, subscription lifecycle management, customer portal, webhook event handling, and invoice generation. They use Paddle's latest API version with proper error handling, idempotency keys, and retry logic. The integration includes Paddle-specific features like payment intents, setup intents, subscription schedules, and tax calculation APIs.

Stripe

What Stripe API features are implemented?

Stripe boilerplates implement the provider's complete API suite including checkout sessions, subscription lifecycle management, customer portal, webhook event handling, and invoice generation. They use Stripe's latest API version with proper error handling, idempotency keys, and retry logic. The integration includes Stripe-specific features like payment intents, setup intents, subscription schedules, and tax calculation APIs.

JavaScript

What JavaScript-specific tools and libraries are included?

JavaScript boilerplates include the language's most popular and production-proven tools. This typically includes testing frameworks, linters, formatters, build tools, and package managers specific to JavaScript. You'll get pre-configured toolchains that enforce best practices, automated testing pipelines, and development environments optimized for JavaScript development workflows.