Open-source alternatives to Keygen Api

This is a role-based access control system for Laravel applications that manages user permissions and roles within a database. It provides a database permissions manager to assign specific abilities to users and roles, utilizing authorization gates to restrict access to routes and interface elements. The project features a wildcard permission system that uses pattern matching to grant broad access across multiple related permissions. It also supports team-scoped access control, allowing users to maintain different roles and permission levels across separate organizational contexts or teams.

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

Warehouse is a centralized inventory control and management system designed to track stock levels, incoming shipments, and product movements within a supply chain environment. The platform utilizes a relational database to store business entities and transaction logs, ensuring data integrity and consistent reporting across all warehouse operations. The system distinguishes itself through a comprehensive security framework that integrates role-based access control with organizational management. Administrators can configure specific user permissions and menu visibility based on departmental st

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

This project is a self-hosted question and answer platform and knowledge management system. It provides a centralized repository for documented answers and community discussions used to support users and resolve technical issues. The system functions as a plugin-based community forum, utilizing a modular extension system to add custom features and tools. It employs a decoupled architecture with a RESTful API backend to separate business logic from the user interface. The platform covers several domain areas including internal knowledge management, customer help centers, and community Q&A hos

MediaCMS is a self-hosted media content management system designed for hosting, organizing, and distributing video, audio, images, and PDF files. It functions as a digital asset management platform that combines a transcoding pipeline with a server capable of delivering adaptive video streaming. The system is distinguished by its automated media transcoding pipeline, which converts uploaded files into multiple resolutions and codecs and generates automatic transcriptions. It integrates SAML and OAuth identity layers to connect external enterprise identity providers for managing user access an

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

Blog.Core is a production-ready backend boilerplate for building enterprise APIs and microservices using ASP.NET Core. It provides a foundational infrastructure for distributed systems, including tools for database-first scaffolding and the implementation of multi-tenant API frameworks. The project distinguishes itself through automated data layer generation, which produces entity models and repository layers directly from database schemas. It implements a centralized identity management system using standard identity server protocols to handle authentication and authorization across multiple

OpenFGA is a fine-grained authorization server and policy decision point that implements relationship-based access control. It serves as a centralized authorization service for evaluating access requests and managing relationship tuples across distributed microservices and multi-tenant environments. The engine combines relationship graphs with attribute-based access control, using the Common Expression Language to evaluate dynamic runtime attributes and conditional access rules. It handles complex hierarchies and nested permissions by traversing chains of associations and parent-child links t

This project is an Android password manager application that provides an end-to-end encrypted vault for storing and synchronizing login credentials, secure notes, and identities. It functions as a secure storage system using zero-knowledge encryption to ensure that only the user can decrypt their stored data. The application integrates directly with the Android system to provide an autofill service that populates usernames and passwords into mobile apps and browser login fields. It also serves as a passkey management wallet for FIDO2 cryptographic passkeys and a time-based one-time password a

Apostrophe is an open-source Node.js headless content management system that delivers structured content through REST APIs while providing a visual in-context page editor for live editing. It is built on a module-based plugin architecture that extends CMS functionality through reusable modules, each encapsulating logic, configuration, and templates. The system uses schema-driven content modeling to define data structures and validation rules through configurable schemas and custom field types, with all content stored as flexible JSON-like documents in MongoDB. The platform distinguishes itsel

SpringCloud is a development platform for building distributed systems and cloud-native microservices. It provides an integrated framework for microservice development, incorporating service governance, security, and system coordination. The platform features a microservice gateway for managing traffic through dynamic routing and rate limiting, alongside a service registry for discovery. It implements distributed security through token-based authentication, role-based access control, and a specialized system that uses aspect-oriented programming to automatically enforce data-level permissions

Mixpost is a self-hosted social media management platform that provides a centralized dashboard for scheduling, publishing, and analyzing content across multiple social networks. It functions as an automated system for planning and distributing posts at specific dates and times, allowing users to manage their entire social media presence from their own server. The platform distinguishes itself through a collaborative workspace environment that supports team-based workflows. It includes granular role-based access controls and shared project management tools, enabling team members to coordinate

Omnivore is an open-source, self-hostable read-it-later application designed to centralize web articles, newsletters, and digital documents into a personal library. It functions as a comprehensive content archiver that captures web pages and stores them locally, ensuring permanent access and readability regardless of internet connectivity. The platform distinguishes itself through an event-sourced synchronization engine that maintains a consistent state across multiple devices by replaying user actions. It utilizes a headless web scraping service to extract clean text and metadata from raw we

Platform is a framework for building back-office applications and administrative dashboards using Laravel. It functions as a schema-driven UI framework and CRUD generator that automatically constructs database management interfaces, input forms, and validation rules from programmatic model definitions. The project distinguishes itself through a comprehensive backend UI kit that supports advanced data capture, including geographic coordinate mapping, tabular JSON data matrices, and marketing metadata tracking. It features a robust role-based access control system for managing resource visibili

NestJS Access Control is a role-based and attribute-based authorization framework designed for the NestJS ecosystem. It provides a declarative system for securing application routes and resources, allowing developers to enforce granular access policies through metadata-driven decorators. The framework distinguishes itself by supporting hierarchical role inheritance, which enables the resolution of complex permission sets by traversing parent and child role relationships. It also facilitates dynamic authorization management, allowing security rules to be loaded asynchronously from external dat

Mail for Good is a bulk email marketing platform designed for managing subscriber databases, designing templates, and executing high-volume outreach campaigns. It functions as an email list management tool that facilitates contact data imports and the capture of new leads. The platform features an analytics dashboard for monitoring delivery metrics, tracking bounce rates, and measuring recipient engagement. It includes a role-based access control system to manage user permissions and secure the coordination of shared marketing accounts and campaigns. The system covers a broad range of capabi

This project is a React admin dashboard boilerplate designed for building backend administrative interfaces. It provides a pre-configured development stack that integrates a Redux state management framework, a role-based access control system, and a standardized Axios HTTP client wrapper. The system includes a mock API development environment that serves fake data through a local server to decouple frontend development from backend availability. It uses Vite for module bundling and provides a component-library based UI for constructing management interfaces. The platform covers a broad range

Frappe is a Python-based low-code web framework used for building data-driven business applications. It functions as a full-stack meta-framework that integrates a Python backend with a JavaScript frontend, providing a development environment for rapid application prototyping and deployment. The framework employs a model-driven architecture that automatically generates database schemas, REST API endpoints, and administrative interfaces based on defined metadata. This system is complemented by a command-line scaffolding tool for creating standardized project directory structures and boilerplate

This project is a Spring Boot administrative framework and enterprise backend boilerplate designed for building management systems. It provides a foundation for enterprise-level applications using a reactive programming model and non-blocking data access patterns. The framework includes a reactive CRUD system for database operations and a role-based access control system to manage user accounts and administrative permissions. It further distinguishes itself with a centralized data dictionary for maintaining standardized labels and values across application modules. The system's broader capab

mcp-context-forge is a Model Context Protocol federation gateway that unifies diverse AI tool servers and APIs into a single consistent interface for discovery and execution. It acts as a centralized proxy that aggregates multiple servers and APIs, allowing AI agents to access and invoke a unified set of tools, prompts, and resources. The project distinguishes itself through a multi-protocol translation bridge that converts communication between standard I/O, SSE, gRPC, and REST to enable interoperability between disparate tool servers. It includes a comprehensive LLM evaluation framework for

django-guardian is a Django object permission library that enables the assignment of fine-grained access rights to individual database records. This system provides object-level access control, allowing users or groups to be granted permissions for specific model instances rather than applying a single global rule to an entire data model. The library includes a permission manager for the Django administrative interface, which provides a visual dashboard to assign and audit these instance-specific security rules. It also features an anonymous access controller to define and verify permissions

This project is a foundational server template built with NestJS designed for creating REST APIs and enterprise backend environments. It provides a pre-configured structure that integrates database connectivity, authentication, and common API services. The boilerplate includes a security system utilizing JSON Web Tokens and role-based access control to manage user sessions and restrict resource access. It supports internationalization for serving content in multiple languages and provides a containerized environment using Docker for consistent deployment. The framework covers a broad range o

Akaunting is a modular business enterprise resource planning system and self-hosted accounting software. It provides a comprehensive platform for small business financial management, centering on a double-entry bookkeeping system with a general ledger and chart of accounts. The platform is designed for extensibility through a module-based architecture and a dedicated marketplace for procuring third-party applications. It supports multi-tenant data isolation and utilizes role-based access control to manage granular user permissions. Its capability surface covers a wide range of business opera

Dolibarr is an open-source business suite and integrated PHP web application designed for ERP and CRM management. It serves as a centralized system for tracking company activities, including sales, invoicing, stock, and accounting. The platform combines financial accounting, human resources management, and web-based inventory tracking. It provides tools for managing general ledgers, bank accounts, employee timesheets, and product catalogs alongside manufacturing orders and warehouse stock levels. The software covers a broad range of operational areas, including customer relationship manageme

EasyAdminBundle is a tool for automatically generating backend management interfaces for Symfony applications. It builds administrative screens and forms by mapping database entity definitions to user interface components, providing a web-based system for managing database records through searchable lists and CRUD forms. The project supports the creation of separate administration backends tailored for different user roles or external collaborators. It includes a security layer for restricting dashboards, menus, and data fields based on role-based access control and user security tokens. The

go-admin is a full-stack admin scaffolding system that generates a complete backend management interface with built-in user, role, menu, and department management modules. It combines role-based access control enforcement, JWT token authentication, multi-tenant database isolation, and scheduled task scheduling into a single framework, with a Vue-based frontend rendered through reusable components. The project distinguishes itself by integrating a Casbin RBAC engine for granular permission management across menus, buttons, and API endpoints, alongside automatic API documentation generation fro