Open-source alternatives to Taxonomy

Elysia is a high-performance TypeScript web framework designed for building type-safe backend services. It provides a modular, plugin-based architecture that allows developers to compose server logic, middleware, and validation schemas into scalable application instances. By leveraging native web standards, the framework ensures portability across diverse JavaScript runtimes, including Node.js, Deno, and various edge computing environments. The framework distinguishes itself through its focus on end-to-end type safety, automatically synchronizing request and response definitions between the s

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 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 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 is the template I use to start new full-stack projects.

This project is a full-stack React starter kit and TypeScript web application boilerplate. It provides a pre-configured project template that combines a frontend and backend to accelerate the development of production-ready web applications. The kit is distinguished by its focus on type-safe architectures, utilizing a monorepo structure to synchronize data types between the server and client. It integrates specific implementations for SaaS operations, including recurring subscription billing via Stripe and user identity authentication supporting passkeys, social logins, and email verification

Wasp is a declarative full-stack web framework that enables developers to build and deploy applications by defining their architecture in a centralized configuration. By using a high-level specification, the framework automates the orchestration of frontend, backend, and database components, ensuring that infrastructure concerns like routing, authentication, and data modeling are handled consistently across the entire stack. The framework distinguishes itself through its compiler-driven approach, which translates declarative configurations into cohesive, production-ready codebases. It provide

Valibot is a modular, type-safe schema library for validating and parsing structural data in TypeScript environments.

InsForge is a backend-as-a-service platform that provides an integrated suite of tools for managing relational databases, identity provision, object storage, and serverless compute. It functions as an open-source identity provider and a PostgreSQL database manager featuring integrated vector storage and row-level security. The platform serves as an LLM orchestration gateway, offering a unified endpoint to route requests across various AI providers through an OpenAI-compatible interface. It enables AI-driven application generation and connects AI agents to backend resources using a standardize

Tale is a self-hosted blogging platform and content management system built with Java. It functions as a Markdown publishing system that renders lightweight markup into structured web pages and stores posts and metadata within an embedded database for portability and easy backups. The system is distinguished by its highly customizable visual layer, supporting custom skin design, external theme installation, and the development of templates using structured directories of assets. It also features a plugin system that allows for the loading of external logic packages and custom components durin

Grav is a flat-file content management system that eliminates the need for a traditional database by storing site content and configuration in human-readable Markdown and YAML files. Built as a modular PHP web framework, it uses a hierarchical page routing system where the physical directory structure directly determines the site's URL paths. The platform is distinguished by its event-driven plugin architecture and a command-line interface that prioritizes system administration, deployment, and maintenance tasks. It utilizes a blueprint-driven system to generate administrative forms from stru

Open SaaS is a full-stack starter kit and development framework designed for building and deploying commercial web applications. It provides a production-ready foundation that integrates essential services, including user authentication, payment processing, file storage, and administrative oversight, into a single cohesive environment. The framework utilizes a declarative configuration approach to define application structure, which automatically generates the necessary boilerplate for both frontend and backend components. By employing database-first schema modeling, it ensures type-safe comm

Devise is a flexible authentication framework for Ruby on Rails applications. It serves as a user identity management system that handles registration, sign-in, password recovery, and account confirmation. The system integrates with the Warden middleware to manage user sessions and security across various request types. The framework functions as a multi-model authentication engine, allowing for the configuration of multiple distinct user models with independent routes and access controls. It also provides a standardized interface to connect with external identity providers and third-party lo

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

This project is a full stack web application template built with Flask. It provides a foundation for developing complete web applications, covering the entire pipeline from user interfaces and server-side logic to relational data management. The project implements a modular architecture using blueprints to organize views and templates into independent components. It features a session-based authentication system for managing user registration, password hashing, and secure login sessions to protect private application areas. Data persistence is handled through an object relational mapper for

Thin Backend is a backend-as-a-service platform that provisions PostgreSQL databases, automatically generates database-backed APIs, and provides built-in user authentication with zero manual configuration. It enables applications to store, query, and synchronize records in real time without requiring developers to write custom endpoints, route resolvers, or backend infrastructure setup. The platform provides a comprehensive capability set covering instant database provisioning, batch operations, database transactions, relational querying, and real-time data broadcasting across connected clien

linkding is a self-hosted bookmark manager designed for saving, organizing, and retrieving web links. It functions as a centralized, private repository for personal link collections, featuring multi-user support and authentication to manage access and shared bookmarks. The project distinguishes itself through a webpage archive tool that prevents link rot by saving local HTML snapshots of bookmarked sites. It includes a programmable API for integrating third-party scripts and external applications, as well as a Netscape HTML importer to migrate bookmark libraries from other services. The syst

Vinext is a build system and edge runtime compiler that enables framework-agnostic serverless deployments. It functions as a Vite plugin and compatibility layer that emulates file-system routing, server components, and server actions, allowing projects to maintain specific framework API surfaces while targeting edge workers and serverless environments. The project provides a specialized bridge for migrating projects to a Vite-based build pipeline while preserving routing and server component patterns. It utilizes a system of module shimming and adapters to produce standalone bundles compatibl

This project is a social blogging application built with Flask. It provides a platform for user account management, following relationships, and chronological post streams, supported by a PostgreSQL relational database. The application features a multilingual web interface with localized content and date formatting. It is designed as a dockerized web application, utilizing containerization for consistent deployment across different environments. The system integrates a variety of core capabilities, including full-text search with provider abstraction, an asynchronous task worker for backgrou

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

jwt-auth is a PHP package providing JSON Web Token authentication for Laravel and Lumen applications. It serves as a token provider and stateless session manager, allowing applications to issue and validate signed tokens to manage user identity across network requests. The library implements stateless API security by verifying identity tokens sent in request headers, removing the requirement to store session data on the server. It uses signed tokens to verify user credentials and restrict access to protected resources. The project provides capabilities for user access control, authentication

SSPanel-UIM is a centralized proxy service management system used to deploy and administrate a network of proxy servers and nodes across multiple protocols. It functions as a management panel for coordinating network resources and providing a unified interface for service administration. The project incorporates a subscription billing system with integrated payment gateways to handle recurring fees and usage-based billing. It features a subscription management panel that generates and distributes proxy configuration lists in multiple formats for compatibility with various client applications.

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

This project is a full-stack serverless application stack and boilerplate designed for building software-as-a-service applications on the Cloudflare Workers platform. It provides a TypeScript starter that unifies the frontend and backend within a single deployment workflow, integrating essential primitives for authentication, data persistence, and storage. The stack is distinguished by its pre-configured templates for rapid project bootstrapping. It includes integrated support for the Cloudflare D1 SQL database and Cloudflare R2 buckets, providing a predefined architecture for managing relati

Yup is a JavaScript schema validation library used to define data shapes and validate runtime values. It functions as an object schema validator and a data coercion engine, allowing developers to transform raw input values into desired types before performing validation checks. The library is distinguished by its support for dynamic schema validation, where rules can be adjusted at runtime based on sibling field values or external context. It also enables recursive data structuring for polymorphic fields and provides a system for extracting static TypeScript interfaces from runtime schema def

This project is a Node.js web application boilerplate designed to accelerate development by providing a pre-configured foundation with integrated routing, templating, and developer tooling. It serves as a comprehensive starter kit that includes a full-stack authentication system, a payment integration starter, and an LLM agent framework. The framework distinguishes itself with specialized tools for AI development, including a retrieval-augmented generation implementation kit with vector search and semantic caching. It enables the creation of reasoning agents featuring tool-calling loops and r

This project is a static site generator and build-pipeline orchestrator that converts markdown files and custom components into production-ready static HTML pages. It functions as a markdown content manager, allowing website structure and text to be defined through the direct modification of flat files. The system utilizes a file-system based router to map the website URL structure directly to the directory layout of the source files. It also includes a web component UI library to embed encapsulated, interactive user interface elements into otherwise static pages. The project covers the broa