Next.js SaaS Starter Kits

This project is an end-to-end type-safe API framework designed to synchronize data structures between frontend and backend codebases without the need for manual code generation. By leveraging TypeScript’s type inference, it allows developers to invoke server-side functions directly from the client as if they were local methods. This remote procedure call approach abstracts away the complexities of HTTP verbs and URL structures, streamlining the full-stack development workflow into a unified experience. The framework distinguishes itself through a modular router architecture that organizes backend logic into hierarchical, composable structures. It incorporates a schema-driven validation layer that enforces strict data integrity on incoming request payloads before they reach core application logic. Furthermore, the system utilizes a runtime-agnostic adapter layer, ensuring that backend logic remains portable across traditional servers, serverless functions, and edge computing environments without requiring modifications. Beyond its core communication capabilities, the project provides a middleware-based request pipeline for handling cross-cutting concerns like authentication and logging. It includes native integrations for common frontend state management and routing patterns, enabling developers to fetch remote data and manage application state with full type safety. The library also supports AI-assisted development by allowing developers to link its capabilities and documentation directly into AI agents for context-aware implementation guidance.

This project is a generative development environment designed to build reactive, modular user interfaces through natural language prompts. It functions as a declarative framework that translates descriptive requirements into functional code, structured layouts, and interactive components. By utilizing a reactive state architecture, the system ensures that application data remains synchronized across components, triggering automatic updates whenever state values are modified. The platform distinguishes itself through its automated design system generation and cross-platform capabilities. It employs an automated reasoning engine to analyze project requirements and produce tailored design systems, including color palettes, typography pairings, and visual themes. To support consistent behavior across mobile and web environments, the system maps high-level component definitions to platform-specific widgets and native rendering pipelines, allowing developers to maintain a unified codebase while targeting multiple device types. The system covers a broad capability surface, including file-based routing, server-side rendering, and utility-first styling engines. It provides integrated support for popular web and mobile frameworks, enabling developers to construct scalable applications with consistent visual languages and accessibility standards. These design and development features are managed through command-line utilities that allow for the installation, activation, and configuration of specialized design skills within existing development environments.

Ant Design is an enterprise-grade component library and design system framework built for developing complex, data-heavy web applications. It provides a comprehensive collection of pre-built, state-driven interface elements that map data properties to rendered components, ensuring consistent interaction patterns and visual language across large-scale projects. The library distinguishes itself through a robust styling architecture that utilizes design tokens and hierarchical configuration providers to propagate global settings like themes, locale, and layout direction. By employing component-level semantic mapping and runtime style injection, it decouples visual structure from logic, allowing for granular theme overrides and style isolation while maintaining a unified aesthetic. The project covers a broad capability surface, including advanced navigation utilities, data entry tools, feedback mechanisms, and structured content containers. These components are designed to handle intricate user interactions, such as hierarchical data selection, real-time suggestions, and programmatic focus management, while supporting flexible layout systems and portal-based overlay rendering for transient elements.

Remix is a full-stack web framework designed to manage data loading, mutations, and routing through standard web platform APIs. It functions as a server-side rendering framework that unifies server-side data processing and client-side interactivity within a single development model, ensuring applications remain consistent across diverse environments. The framework distinguishes itself by utilizing native web platform APIs for all request and response handling, including a declarative data mutation layer that synchronizes server-side database updates with client-side UI transitions via standard HTML form submissions. It employs a nested route-based architecture to organize application views into hierarchical layouts and uses an edge-native runtime adapter to ensure applications run consistently across Node.js, Deno, Bun, and various cloud edge providers without platform-specific dependencies. Beyond its core routing and mutation capabilities, the framework supports progressive enhancement, ensuring that applications remain functional even before client-side scripts load. It provides a modular set of tools for managing web infrastructure, including authentication, data validation, and middleware-based request processing, while optimizing asset delivery through build-time route manifest generation.

NotionNext is a static site generator and blog engine that transforms Notion workspace pages into public websites. It functions as a cloud-deployed content management system using the Next.js framework to render data fetched from the Notion API. The system utilizes a template-based layout system to map page categories to predefined visual themes. This allows for the creation of portfolios and blogs where the visual appearance is separated from the content structure. The platform includes automated search engine optimization through metadata-driven sitemap and HTML tag generation. It supports serverless cloud deployment and integrates with third-party services for analytics, comments, advertisements, and email subscriptions.

React Hook Form is a state management library designed to handle form registration, validation, and submission lifecycle events. By decoupling form control logic from the standard component lifecycle, it enables the creation of performant forms that minimize unnecessary re-renders. The library integrates with external schema validation tools to enforce data integrity and provides a declarative framework for managing complex form structures. The project distinguishes itself through a subscription-based architecture that tracks property access to ensure components only update when the specific data they consume changes. It utilizes ref-based management and uncontrolled input registration to bypass standard state-driven re-renders, while offering lens-based data projection to isolate and manipulate nested objects or dynamic arrays. These capabilities allow for granular control over form state, enabling developers to manage deeply nested fields or dynamic lists without manual prop drilling or complex state lifting. Beyond its core state management, the library provides a comprehensive toolset for handling both controlled and uncontrolled inputs, including context-based dependency injection for shared form methods. It supports flexible validation strategies and provides utilities for transforming and narrowing data structures to maintain type safety across large-scale applications.

This is a full-featured chatbot framework and Next.js web application designed for integrating various large language model providers into a web interface. It serves as a template for building AI chatbots that can generate text and structured data through a unified interface. The project functions as an authenticated AI application, incorporating built-in user identity verification and session management. It includes a suite for AI tool integration, allowing language models to execute tool calls and generate structured objects by connecting to external data and functions. The framework provides a conversational interface that persists chat history to a database to maintain state across sessions. It also includes capabilities for managing file uploads and archiving documents via cloud blob storage.

Preact is a lightweight declarative user interface library designed for building high-performance web applications. It utilizes a component-based architecture where interfaces are defined as functional or class-based units, relying on a virtual DOM to perform efficient state reconciliation and updates. By prioritizing a minimal footprint, the library enables developers to create modular, predictable, and testable user interfaces while maintaining compatibility with standard browser APIs. The library distinguishes itself through a reactive state engine that leverages signals to track dependencies and trigger granular updates automatically. This approach eliminates the need for manual subscription management, allowing for efficient data flow and state synchronization. Furthermore, Preact provides a compatibility layer that allows for the integration of existing third-party packages, ensuring that developers can reuse established ecosystems within its streamlined environment. Beyond its core rendering and reactivity models, the project includes a comprehensive toolset for server-side rendering, which supports both static HTML generation and streaming output to enhance initial load performance and search engine visibility. It also offers robust support for modern development workflows, including native module loading, TypeScript integration, and specialized debugging utilities for monitoring signals and component hierarchies. The project provides an interactive command-line interface for project initialization and supports various build configurations, including options for development without external build tools.

Taxonomy is a full-stack application template and reference implementation built with the Next.js app router. It serves as a comprehensive starter for developing web applications using server components and modern React patterns. The project integrates a variety of specialized systems, including an identity management workflow for OAuth and session handling, and a billing system for managing recurring subscriptions and payment events. It also features a content pipeline that transforms Markdown and JSX files into type-safe data collections for rendering blogs and documentation. The architecture includes a type-safe database access layer for relational data, runtime schema validation for API payloads and forms, and a themed user interface built from accessible, headless primitives. This repository provides a complete implementation of these features, including the integration of specific tools for database management, authentication, and content processing.

React Router is a navigation and data-loading framework that maps URL patterns to nested component hierarchies. It functions as a full-stack router, coordinating server-side resource fetching with client-side hydration to synchronize application state across different environments. By providing a declarative interface for routing, it manages navigation and state transitions while ensuring consistent page structures through root layout management. The framework distinguishes itself through its focus on type safety and incremental adoption. It automatically generates static type definitions for route parameters and data loaders, preventing runtime errors during navigation. To support long-term stability, it includes a feature flagging system and migration tools that allow developers to adopt breaking changes gradually. The architecture also integrates build-time code splitting and native data serialization to optimize performance and resource handling. Beyond core routing, the project provides infrastructure for server-side rendering to improve search engine visibility and interactive document hydration. It includes a command-line interface for project scaffolding and supports build-time plugin integration to manage rendering modes and directory structures. The documentation and installation process are supported by a unified package architecture that consolidates routing and data-fetching logic into a single dependency.

create-t3-app is a full stack web framework initializer and project scaffolder. It functions as a command line tool for initializing Next.js applications, acting as a TypeScript full stack starter that generates a predefined folder structure and configuration files. The tool focuses on establishing a typesafe full stack architecture. It enforces end-to-end type safety between the client and server, ensuring that data types remain synchronized across the entire application stack to prevent runtime errors. The initializer automates the setup of a full stack development environment by bootstrapping a modular project structure. It integrates toolchain configurations for TypeScript, ESLint, and Tailwind CSS, while using template-based code emission and schema-driven type generation to produce the initial source code.

SWR is a data fetching library that provides a collection of hooks for managing remote data synchronization, caching, and state updates in web applications. It employs a declarative approach to handle complex network request lifecycles and dependency chains, ensuring that client-side application state remains consistent with server data through automatic revalidation and background updates. The library distinguishes itself through a reactive cache layer that automatically synchronizes local state with remote sources based on component lifecycle events. It features event-driven revalidation, which triggers background refreshes in response to browser-level changes like window focus or network reconnection. To enhance user experience, it supports optimistic cache mutation, allowing the interface to update immediately while performing background network requests, with built-in rollback capabilities if a mutation fails. Beyond core fetching, the library offers a comprehensive suite of tools for managing paginated data streams, real-time subscriptions, and request retry logic. It includes robust support for server-side integration, enabling data pre-rendering and hydration to ensure fast initial page loads. The architecture is highly extensible, allowing developers to intercept and modify the request lifecycle through middleware composition and custom cache providers. The library is built with TypeScript, providing full type safety for hooks, configuration objects, and middleware definitions. It is designed to be installed as a dependency in modern web projects, offering a centralized configuration context that propagates settings and cache instances throughout the component tree.

next-seo is a search engine optimization toolkit and component library for Next.js. It provides a set of React components and utilities for managing page titles, descriptions, and social media tags to improve how web pages are indexed and displayed. The project functions as a structured data manager and JSON-LD schema generator. It transforms entity data into standardized schema properties for articles, products, and organizations, enabling the implementation of rich snippets in search engine results. The toolkit covers a broad range of metadata management, including business identity mapping, the creation of structured data for how-to guides, and the automation of schema type assignments.

Yew is a framework for building front-end web applications using Rust and WebAssembly. It provides a component-based architecture that allows developers to create modular, reusable user interface elements that manage their own state and logic. By compiling code into binary modules, the framework enables high-performance execution within modern browser environments. The framework distinguishes itself through a macro-based markup language that transforms declarative, HTML-like syntax into strongly-typed component structures during compilation. It features a robust server-side rendering engine that generates initial HTML to improve page load performance and search engine visibility. This is complemented by a hydration-capable runtime that synchronizes state and event listeners between server-generated markup and the client-side application, ensuring a transition to full interactivity without requiring a full page re-render. Yew supports complex interface development through virtual DOM reconciliation, which applies minimal updates to the browser document based on state changes. It also incorporates suspense-driven data fetching to manage asynchronous operations, ensuring that components only render once their required data is resolved. The framework includes tools for bundling web applications and configuring build environments to target WebAssembly platforms.

This project is a community-curated directory serving as a central hub for resources related to the Next.js framework. It provides a structured collection of learning materials, starter templates, and third-party extensions designed to assist developers in building and maintaining web applications. The repository distinguishes itself through a community-driven contribution model, where developers maintain and update the collection via version-controlled pull requests. This collaborative approach ensures the directory remains an organized taxonomy of real-world examples, architectural patterns, and utility libraries that extend the core capabilities of the framework. The collection covers a broad range of technical assets, including educational content like books and video courses, as well as pre-configured project skeletons that include essential integrations for authentication, styling, and database connectivity. All information is maintained in static markdown files to facilitate easy navigation and discovery of tools for search engine optimization, internationalization, and performance management.

Dioxus is a cross-platform development framework designed for building native desktop, mobile, and web applications from a single codebase. It utilizes a declarative component model and macro-powered syntax to define reusable interface elements, which are then rendered as native widgets or web elements. At its core, the framework employs a signal-based reactivity system that tracks state dependencies to trigger granular updates, ensuring efficient interface performance without re-rendering the entire application tree. The framework distinguishes itself through a unified full-stack runtime that integrates server-side logic with client-side interactive components. It supports server-side rendering with HTML streaming and hydration, allowing developers to generate initial content on the server for improved load times and search engine visibility. Additionally, Dioxus provides a hot-reload development workflow that patches functions at runtime, enabling rapid iteration on application logic and interface designs without requiring manual restarts. Beyond its core rendering and reactivity capabilities, Dioxus includes a comprehensive suite of tools for managing complex application requirements. This includes a robust routing system for nested layouts and dynamic parameter parsing, as well as advanced state management features like context sharing, signal-based data flow, and asynchronous task integration. The framework also offers native desktop integration for managing system windows and hardware access, alongside optimized networking primitives for bidirectional data streaming and efficient resource fetching.

Taxonomy is a SaaS boilerplate and Next.js application template designed for building subscription-based web applications. It provides a foundational architecture implemented as a TypeScript web framework, utilizing server components and app-router file routing. The project serves as a comprehensive starter for software-as-a-service products, combining user authentication workflows with recurring subscription billing. It further functions as a markdown content site, enabling the creation of blogs or documentation through markdown-to-HTML rendering. The codebase integrates several core capability areas, including identity verification for session management, application data persistence via object-relational mapping, and type-safe input data validation. Payment processing is handled through an integrated billing cycle for managing customer subscriptions.

Nuxt is a universal web framework designed for building full-stack applications that seamlessly transition between server-side rendering and client-side interactivity. It provides a comprehensive development environment that automates routing, dependency injection, and type generation, allowing developers to focus on application logic rather than manual configuration. By executing code in a platform-agnostic server engine, it supports deployment across diverse environments, including edge networks, serverless functions, and traditional Node.js runtimes. The framework distinguishes itself through a flexible hybrid rendering engine that enables per-route configuration, allowing developers to choose between static site generation, server-side rendering, or client-side execution to optimize performance and search engine indexing. Its modular architecture relies on a hook-based system for extensibility, while its file-based routing and global auto-importing capabilities streamline the development workflow by mapping directory structures directly to application endpoints and components. Beyond its core rendering and routing capabilities, Nuxt includes integrated tools for data fetching, SEO management, and styling. It provides utilities for managing asynchronous state, proxying headers, and ensuring consistent data hydration between the server and client. The framework also features built-in support for automated testing, error handling, and AI-assisted documentation, ensuring a structured approach to the entire software development lifecycle.

Chatbot-ui is a self-hosted AI dashboard and LLM chat interface that serves as a centralized hub for interacting with multiple artificial intelligence providers. It functions as a multi-provider AI client and model orchestrator, allowing users to send prompts and receive responses from various large language models through a unified conversational interface. The project enables multi-model AI chat within a single workspace, allowing for the comparison of outputs and capabilities across different backends. It provides a private frontend for AI workspace management, where users can organize chat sessions and manage local configurations. The system includes capabilities for user authentication and access control, such as redirecting authenticated users to specific workspaces. It also handles internationalization by detecting user locales to route requests to the matching version of the site.

Next.js is a web development framework that provides a file-system-based routing system and a suite of server-side utilities for managing the request-response cycle. It includes built-in support for data fetching, caching, and revalidation, allowing developers to control how content is rendered and served. The framework offers a centralized configuration system for build-time settings, environment variables, and deployment adapters, alongside a command-line interface for bootstrapping new projects. The framework covers a wide range of application requirements, including metadata management for search engine optimization, accessibility tools like linting and route change announcements, and performance monitoring through web vitals reporting. It provides specialized components for optimizing images, fonts, and third-party scripts, as well as integrated support for various styling methods such as CSS modules and utility-first frameworks. Architectural patterns are supported through guides and utilities for authentication, authorization, and session management. Developers can handle errors, manage cookies, and implement custom server-side logic using the framework's core utilities and hooks. The project includes comprehensive documentation and configuration options to support typed development and scalable application design.