30 open-source projects similar to boxyhq/saas-starter-kit, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
This project is a full-stack TypeScript framework and boilerplate designed for building subscription-based software services. It provides a pre-configured development environment that integrates a React frontend with a Node.js and Express server and a MongoDB data layer. The framework includes integrated modules for managing subscription billing, multi-tenant user management, and secure identity verification via social logins and passwordless authentication. It further enables real-time application synchronization through a WebSocket server for bidirectional data streaming between clients and
Kill Bill is a subscription billing platform and usage-based billing engine designed to manage recurring invoicing and automated payment collection. It functions as a multi-tenant billing infrastructure, providing isolated environments for different organizational entities through a dedicated API. The system is distinguished by a plugin-based extension framework that allows for the integration of third-party payment gateways and custom business logic. It includes a payment gateway orchestrator to handle transactions and refunds, as well as a revenue recognition system to allocate contract rev
The stripe-php library is a PHP client used to integrate Stripe payment processing, subscription billing, and financial services into applications. It provides a programmatic interface for managing connected accounts, issuing virtual cards, and automating payouts to sellers. The library distinguishes itself through a comprehensive suite of billing and payment tools, including support for recurring charges, usage-based billing, and the management of customer self-service portals. It further enables financial automation via tax and revenue libraries that handle global sales tax calculation and
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
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
TheHive is a security incident response platform and multi-tenant case management system. It functions as a Security Orchestration, Automation, and Response (SOAR) tool and a threat intelligence platform designed to coordinate security investigations by managing alerts, cases, and observables. The platform is distinguished by its multi-tenant architecture, which isolates data across different organizations while supporting selective cross-tenant sharing. It features a SOAR automation engine capable of executing sandboxed JavaScript logic to automate workflows and trigger response actions thro
Ever Gauzy is an integrated business management suite providing an ERP and CRM framework for professional services automation. It functions as a multi-tenant SaaS platform that combines time tracking, billing, and human resource management into a unified system. The project is distinguished by its headless architecture, utilizing a REST and GraphQL API gateway to expose business operations. It features a Model Context Protocol server that allows AI assistants to interact with system data and execute functional tools for automated business workflows. The platform covers a broad operational su
Gauzy is an open business management platform and multi-tenant enterprise resource planning system. It provides a modular business framework designed to manage core organizational operations through a unified web interface or as a headless business API. The platform is distinguished by its integration with the Model Context Protocol, allowing it to act as a server that exposes business data and system functions as tools for AI assistants. It utilizes a dynamic plugin architecture and a dedicated marketplace to extend core business entities and services. The system covers a broad range of ope
This project is an open-source, privacy-focused web analytics platform designed for high-throughput data ingestion and multi-tenant data management. It provides a cookie-less tracking engine that captures visitor interactions using ephemeral request metadata, ensuring comprehensive traffic visibility while maintaining strict privacy standards. The architecture utilizes an event-driven ingestion pipeline and aggregated metric storage to decouple data collection from processing, enabling efficient long-term retrieval and responsive dashboard performance. What distinguishes this platform is its
Cube is a semantic data layer that provides a unified framework for defining business metrics, dimensions, and relationships across diverse data sources. By acting as a headless business intelligence engine, it transforms raw data into a governed model that can be queried via SQL, REST, and GraphQL interfaces. This architecture ensures consistent data definitions and logic across all downstream analytical applications and reporting tools. The platform distinguishes itself through its integrated conversational AI capabilities, which allow users to explore data using natural language. It orches
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
SuperTokens Core is an open-source, self-hosted authentication and identity management platform designed for deployment within private infrastructure. It provides a comprehensive suite for managing user accounts, roles, and secure authentication flows, utilizing a modular, recipe-based architecture that allows developers to enable specific security features without modifying the core codebase. The platform distinguishes itself through its robust multi-tenancy capabilities, which allow for the logical or physical isolation of user records and configuration settings across different organizatio
mall4j is a Java-based e-commerce platform and B2B2C commerce suite designed to manage retail operations across web, mobile, and H5 storefronts. It serves as an omnichannel backend and multi-tenant retail manager, providing the infrastructure to handle product catalogs, shopping carts, and order processing. The system is built on a Spring Boot microservice framework, featuring an omnichannel architecture that exposes a unified API gateway to power diverse client interfaces. It distinguishes itself through a B2B2C workflow that coordinates sales between administrators, merchants, and end consu
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
Casdoor is a centralized identity and access management platform that functions as an OAuth 2.0 authorization server. It provides a comprehensive suite of services for managing user identities, authentication sessions, and access policies across both web and machine-to-machine applications. Built with a decoupled frontend-backend architecture in Go, the platform supports high-concurrency environments and offers a web-based management interface for administrative tasks. The platform distinguishes itself through its extensive support for federated identity management, allowing integration with
Kaneo is an open-source project management platform built around a kanban board interface for organizing tasks into columns with drag-and-drop status management. It functions as a self-hosted task manager that supports multiple workspaces, organizations, and role-based access control, with all persistent data stored in a PostgreSQL relational database and exposed through a RESTful JSON API. The platform distinguishes itself through deep external integration capabilities, connecting project workflows to GitHub, Gitea, Slack, Discord, and Telegram with automated event-driven actions. A webhook
ABP is an opinionated architectural framework for building enterprise software solutions using .NET and ASP.NET Core. It serves as a structural toolkit for implementing domain-driven design and microservices patterns, providing a modular enterprise architecture where functionality is organized into independent, pluggable modules. The platform is specifically designed to support multi-tenant SaaS architectures, isolating data and configurations for multiple independent customers within a single application instance. It provides enterprise boilerplate infrastructure and pre-configured templates
Util is a comprehensive development framework for .NET designed to implement layered architectures and domain driven design. It provides a toolkit of base classes and tools for building full stack applications, specifically focusing on the creation of backend admin frameworks and management interfaces. The project distinguishes itself through a boilerplate generator that produces the necessary types and classes to standardize repetitive architectural patterns. It also includes a micro-frontend orchestrator that enables the splitting of large frontend modules into independent projects for sepa
bbs-go is a community forum software written in Go. It functions as a gamified community platform and social network framework, providing tools for hosting public discussions, managing knowledge bases, and coordinating user identities. The platform is distinguished by an integrated gamification engine that tracks activity via daily check-ins and reward tasks to award experience points, levels, and badges. It also features a specialized identity and access manager that supports role-based access control and third-party identity federation, including Google Sign-In integration. The system cove
This project is a Kubernetes-based cloud IDE platform that provisions and manages containerized development environments accessible via a web browser. It functions as a multi-tenant developer platform, enabling teams to launch standardized workspaces directly from Git repositories. The platform implements development environments as code, using declarative YAML configurations and DevContainer-compatible specifications to define toolsets, IDE settings, and runtime dependencies. This ensures repeatable setups through reusable environment templates and standardized workspace stacks, allowing for
Next-forge is a production-ready project scaffold and full-stack web framework stack designed for building web applications. It provides a comprehensive set of starter modules and boilerplates specifically tailored for SaaS infrastructure, including a TypeScript project scaffold and a Next.js application starter. The project utilizes a Turborepo monorepo template to organize multiple applications and shared packages in a single codebase. This architecture enables shared logic isolation and the use of a component-based UI library to maintain consistent styling across different applications. T
Hanko is an open-source identity provider and customer identity and access management system. It serves as a passkey authentication service and an OAuth and SAML SSO gateway, allowing applications to authenticate users and issue tokens via standard identity protocols. The project distinguishes itself through a strong focus on passwordless access using WebAuthn-based passkeys and email-based passcodes. It provides framework-agnostic authentication interfaces as customizable web components that can be embedded directly into web applications to handle login, registration, and profile management.
BTCPay Server is a non-custodial payment gateway and invoice manager designed for accepting Bitcoin and other cryptocurrencies directly into a private wallet. It serves as a self-hosted payment infrastructure that allows merchants to manage digital invoicing and storefronts without relying on third-party intermediaries. The system distinguishes itself through a non-custodial wallet architecture that ensures private keys remain on the user's own hardware or server. It integrates the Lightning Network for instant, low-cost transactions and provides a hardware-wallet signing bridge to secure tra
Apollo Universal Starter Kit is a full-stack application boilerplate and starter template designed to accelerate cross-platform development across web, mobile, and server environments. It provides a modular architecture that organizes code into independent, self-contained feature directories, combined with a GraphQL-driven data layer and a server-side rendering pipeline to optimize performance and search engine optimization. The project incorporates compile-time code generation tooling to automatically scaffold schemas, resolvers, and components, alongside a real-time subscription engine for
This project is a modular e-commerce platform built on Ruby on Rails, designed to serve as a comprehensive engine for managing online retail operations. It provides the foundational infrastructure to handle complex product catalogs, customer order lifecycles, and global payment processing within a unified system. The platform distinguishes itself through a headless, API-first architecture that decouples backend commerce logic from custom frontend storefronts. It supports multi-tenant environments, allowing for the management of multiple independent retail storefronts or marketplaces from a si
This project is a comprehensive link management and marketing attribution platform designed for creating, tracking, and analyzing shortened URLs. It functions as a centralized hub for marketing analytics, providing tools to monitor link performance, visualize conversion funnels, and manage affiliate programs through a unified dashboard. The platform distinguishes itself by integrating advanced attribution modeling and partner management directly into the link infrastructure. It supports complex marketing workflows, including automated commission calculations, fraud detection, and payout distr
This platform is an automated documentation and codebase analysis system designed to generate structured wikis, technical guides, and interactive diagrams from source code repositories. It functions as a retrieval-augmented generation framework that connects codebases to language models, enabling context-aware answers, deep research, and automated documentation updates through semantic vector search. The system distinguishes itself through a self-hosted, containerized architecture that supports both cloud-based and local AI model execution. It provides sophisticated model orchestration, allow
This is a Backend as a Service SDK for Apple platforms, providing a collection of libraries that connect iOS and macOS applications to cloud databases, authentication services, and serverless infrastructure. It serves as a developer kit for integrating real-time data synchronization, file storage, and push notifications into native apps. The SDK is distinguished by its generative AI integration, which routes text and multimodal prompts between on-device models and cloud-hosted large language models. It further differentiates itself with a specialized app distribution tool for managing pre-rel
OpenSearch is a distributed search and analytics engine designed for indexing, searching, and analyzing massive volumes of structured and unstructured data in real time. It functions as a comprehensive platform that integrates enterprise-grade search capabilities, a vector database for high-dimensional similarity lookups, and a unified observability suite for monitoring logs, metrics, and traces across complex distributed environments. The platform distinguishes itself through its support for agentic workflow automation, allowing users to orchestrate multi-agent tasks and integrate foundation
Vendure is a Node.js e-commerce engine and headless commerce framework built with NestJS and TypeScript. It serves as a multi-channel commerce platform that manages product catalogs, orders, and customers via a strongly typed GraphQL API. The platform is distinguished by its highly extensible architecture, featuring a customizable administrative dashboard where developers can inject custom React components and entity views. It supports multi-channel commerce, allowing the isolation of products, currencies, and regional catalogs from a single unified backend. The engine covers a broad range o