SvelteKit SaaS boilerplate

Wdc-saas-starter-kit is a full-stack Next.js and TypeScript web application boilerplate designed to launch subscription-based software products. It comes pre-configured with a relational database ORM layer, user authentication, role-based access control, and cloud object storage integrations for handling user-uploaded files and media. The starter kit features recurring subscription management and payment webhook processing through an integrated payment gateway to synchronize customer billing cycles, plan upgrades, and subscription statuses. It also includes multi-tenant team workspace archit

This project is a production-ready boilerplate designed for building subscription-based web applications. It provides a foundational framework for managing user identity, persistent relational data, and recurring billing cycles within a unified development environment. The platform distinguishes itself by integrating secure authentication workflows with automated subscription management. It utilizes a schema-first approach to database interactions, ensuring data consistency through type-safe queries and versioned migrations. By incorporating native support for payment provider APIs, the syste

This project is a reference implementation for integrating Stripe payment processing into an application. It provides a boilerplate for managing the end-to-end checkout lifecycle, specifically focusing on binding local user accounts to third-party payment identities. The implementation utilizes a payment checkout orchestrator to coordinate the creation of customer identities and checkout sessions. It includes a dedicated webhook processor and subscription state synchronizer to mirror external payment data into a local database, ensuring application state remains consistent with asynchronous p

This project is a Next.js SaaS starter kit and billing boilerplate designed for building subscription-based software services. It provides a pre-configured foundation that integrates a PostgreSQL database schema with Stripe to manage recurring billing, tiered pricing models, and customer payment portals. The implementation features a synchronization system that uses webhooks to mirror external product data and subscription states into a local relational database. It includes an authentication layer that links external identity providers to user accounts and manages secure session tracking. T

This project is a foundational boilerplate for building software-as-a-service applications using Next.js, TypeScript, and Tailwind CSS. It provides a pre-configured project structure designed to accelerate the launch of a product. The kit integrates a conversational user interface that renders markdown responses from large language models. It includes a secure identity layer for user registration and session persistence across multiple authentication providers, alongside a billing system for managing tiered pricing plans and real-time payment updates. The technical surface covers a type-safe

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 architect

This project is a software-as-a-service application boilerplate and foundation designed to provide the core business infrastructure for building software services. It functions as a multi-tenant user management system that handles account creation, user authentication, and organizational team structures across multiple customer accounts. The kit integrates enterprise identity features, including a service for automating user and group management via the System for Cross-domain Identity Management standard. It also includes a billing implementation for managing recurring payments, one-time tra

This project is a starter kit for building software as a service applications. It provides a foundational framework for developing scalable products with integrated subscription billing, user management, and automated cloud deployment pipelines. The core architecture centers on a multi-tenant application framework that isolates data and permissions between organizations using team workspaces and role-based access control. It utilizes a GraphQL API to ensure type-safe communication and data consistency between the frontend and backend. The system covers comprehensive identity and access manag

This project is a comprehensive starter kit for building subscription-based web applications using Next.js and TypeScript. It provides a structural foundation for developing software-as-a-service platforms, incorporating integrated user authentication, payment tiers, and multi-tenant organization management. The framework distinguishes itself with a dedicated multi-tenant application architecture that organizes users into teams and organizations with workspace switching. It includes a built-in monetization layer via Stripe subscription integration for managing pricing tiers and billing cycles

Stack is an open-source identity provider that manages user authentication, passkeys, and OAuth tokens. It provides an identity infrastructure that handles user data storage and authentication flows via a centralized administrative dashboard. The platform differentiates itself by integrating a multi-tenant user management system that organizes users into team workspaces through invitation flows. It includes a secure secret vault for storing encrypted API keys and user tokens using encryption keys that remain hidden from the service provider. The system covers a broad range of administrative

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 capabi

Polar is a digital product monetization engine and subscription management system. It serves as a merchant of record platform that handles global sales tax and VAT compliance, providing the infrastructure for selling subscriptions and one-time digital goods via hosted checkouts and embedded payment flows. The project functions as an entitlement and access manager, automating the granting and restriction of digital benefits, license keys, and third-party platform roles. It includes a dedicated usage-based billing infrastructure that tracks customer activity through meters to apply aggregation