Projects sharing features with Rails Event Store

EquinoxProject is an ASP.NET 9 web application template and reference implementation for building enterprise software. It provides a structural boilerplate centered on clean architecture, domain-driven design, and the separation of read and write operations through a command query responsibility segregation framework. The project incorporates event sourcing to track the history of business entities as a sequence of events for auditing and state reconstruction. It utilizes a layered approach to decouple business logic from external dependencies and frameworks. The system includes capabilities

This project is a reference implementation of domain-driven design patterns and a sample of command query responsibility segregation. It provides a collection of event-driven microservices that demonstrate the practical application of architectural principles for structuring complex software systems. The implementation separates read and write models through an event journal and organizes services into bounded contexts to maintain clear functional boundaries. It coordinates business logic by dispatching and consuming domain events to synchronize different modules. The project covers a range

light-4j is a Java microservices framework designed for building scalable distributed systems. It provides a toolkit for developing cloud-native services with integrated support for service discovery, telemetry, and secure inter-service communication. The project includes a runtime OpenAPI request validator to ensure communication consistency by checking data against formal specifications. It also features an OAuth2 API security gateway for verifying identity tokens and managing credentials, alongside an event-sourcing messaging system for building command query responsibility segregation arc

This project is a Java microservices reference implementation that demonstrates the application of structural design patterns for distributed systems. It consists of a suite of containerized services and infrastructure dependencies designed to showcase how to coordinate multiple independent services into a functional system. The implementation focuses on several advanced architectural patterns, including a centralized API gateway for routing and aggregating responses, Command Query Responsibility Segregation to separate read and write operations, and event sourcing to persist the state of bus

KurrentDB is an event-native database designed for event sourcing and event-driven architectures. It stores application state as an immutable, ordered sequence of events rather than updating rows in place, preserving full history for audit, replay, and distributed consistency. The database combines event storage with real-time streaming and a built-in JavaScript projection engine that transforms and aggregates event streams into materialized views. The system provides official gRPC client libraries for Python, Node.js, Java, .NET, Go, and Rust, enabling multi-language application development

This project is a technical resource and pattern library for building enterprise applications with Python. It serves as a guide for implementing clean architecture, providing a framework for separating core business logic from infrastructure and external frameworks. The material focuses on Domain-Driven Design and the application of architectural patterns to maintain complex business requirements. It provides specific guidance on the Repository pattern for data abstraction, Command-Query Responsibility Segregation for optimizing read and write paths, and the use of dependency inversion to dec

Livestore is a reactive state management framework that utilizes a local SQLite database to store and synchronize application data. It provides an event-sourced state store that processes typed events through materializer functions to derive and persist application state. The framework implements offline-first data synchronization using a push-pull engine and append-only event logs to maintain consistency between clients and servers. It includes a real-time presence system for tracking user activity and shared session status across connected clients. The system covers a broad capability surf

This project is a reference implementation for building scalable applications in TypeScript using Domain-Driven Design. It provides a structured codebase template that organizes business logic through tactical design patterns and strategic modeling to ensure the software reflects specific business requirements. The architecture utilizes a hexagonal pattern to isolate core business logic from external infrastructure concerns such as databases and delivery mechanisms. It implements Command Query Responsibility Segregation to separate data modification operations from information retrieval tasks

This project is a reference implementation of Domain-Driven Design, Clean Architecture, and Command Query Responsibility Segregation (CQRS) patterns using the Go programming language. It serves as a sample application to demonstrate how to decouple core domain rules from infrastructure and delivery mechanisms. The system is built as a gRPC microservices architecture, utilizing type-safe communication and service contracts. It implements an event-driven architecture to manage eventual consistency and asynchronous processing, specifically employing the Outbox pattern to ensure reliable messagin

This repository provides a comprehensive library of code examples for implementing event-driven, serverless backend architectures. It serves as a practical guide for building scalable cloud-native applications that execute logic in isolated environments, triggered by infrastructure events or HTTP requests rather than persistent server processes. The collection demonstrates how to leverage managed infrastructure to automate backend workflows, including the use of asynchronous task queuing to maintain system stability during high traffic. It highlights patterns for secure API hosting, enabling

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

Delayed Job is a Ruby library that provides a database-backed system for asynchronous task processing. It enables the offloading of long-running or time-consuming operations to background workers by serializing method calls and their arguments into a relational database, ensuring that tasks persist across application restarts. The system functions as a distributed priority task scheduler, where independent worker processes continuously poll the database for pending jobs. By integrating task creation directly into application database transactions, it guarantees that jobs are only queued when

Workflow is a platform for executing long-running, stateful processes that automatically persist progress and recover state after system interruptions. It functions as a durable orchestration engine designed to manage complex, multi-step asynchronous operations within distributed systems. The framework distinguishes itself through event-sourcing and checkpointing mechanisms that record execution steps as an immutable log, allowing for precise state reconstruction after failures. It provides sandboxed task isolation to run side-effect-heavy logic in restricted environments, ensuring that sensi

Domain-Driven-Design-Example is a C# sample project and reference pattern that demonstrates how to structure business logic and domain models using domain-driven design principles. It implements enterprise application architecture patterns by isolating core business rules and domain entities from technical infrastructure concerns through bounded contexts. The codebase implements core domain concepts using immutable value objects defined entirely by their attributes, alongside entities and application services. It coordinates external requests, transaction boundaries, and domain model interact

COLA is a core architectural toolkit for Java applications designed around domain-driven design and a clean, object-oriented layered architecture. It provides a framework for managing project structures, implementing domain-driven entity modeling, and organizing enterprise application architecture to decouple business logic from technical dependencies. The project features a pluggable logic extension system that allows for the addition of new functionality through defined extension points without modifying the core codebase. It also includes a project bootstrapping toolkit and an integration

This project is a distributed systems design framework and architecture guide. It provides technical resources for designing, deploying, and coordinating independent network services. The framework establishes a structured methodology for migrating monolithic applications into decentralized services by separating frontend and backend concerns. It serves as a reference for event-driven architecture, focusing on maintaining data consistency across network boundaries using event sourcing and local transaction records. The project covers a broad range of capabilities including distributed servic

This project is a reference implementation and architectural sample of Domain-Driven Design. It serves as a codebase demonstrating how to align software design with a specific business domain to manage complex business logic. The implementation functions as a reporting system that receives and processes data via JSON payloads. It utilizes a structured domain model to define and automate business workflows and handle state changes. The architecture partitions the system into distinct application and domain layers, utilizing aggregate roots for consistency and the repository pattern for data a

This project is a reference implementation of Domain-Driven Design patterns, functional domain modeling, and event-driven state coordination. It demonstrates the application of strategic and tactical design patterns to manage complex business requirements. The implementation utilizes a functional domain model with pure functions and immutable objects to manage state transitions and side effects. It features a Command Query Responsibility Segregation architecture to separate read and write models, alongside event-driven coordination to maintain consistency across autonomous business boundaries

CAP is a .NET distributed transaction framework and event bus designed to manage asynchronous communication in microservices. It implements the outbox pattern to ensure eventual consistency and reliable message delivery by persisting messages in local database tables until transactions commit. The framework includes a distributed message monitor and web dashboard for tracking the status of sent and received messages. It provides tools for event traffic visualization, distributed request tracing, and the ability to manually trigger retries for failed delivery attempts. The system supports var

This project provides a structured template for building enterprise applications using a modular monolith architecture. It demonstrates how to organize complex business logic into independent, domain-specific modules that remain contained within a single deployment unit. The architecture enforces strict boundaries between components to minimize coupling and complexity. It utilizes domain-driven design principles to map software components directly to real-world business concepts, ensuring that logic remains independent of infrastructure concerns. Communication between these isolated modules i

Temporal is a distributed workflow orchestration engine designed to manage fault-tolerant, stateful, and long-running background processes. It functions as a platform for coordinating complex cross-service operations, ensuring consistency and reliability in distributed environments by decoupling workflow orchestration from task execution. The platform distinguishes itself through a deterministic, event-sourced execution model that reconstructs workflow state by re-executing code from an immutable event log. This approach isolates non-deterministic side effects into managed activities, allowin

This project is a TypeScript-based architectural framework designed to implement domain-driven design and hexagonal architecture in enterprise applications. It provides a structured boilerplate that isolates core business logic from infrastructure concerns, ensuring that domain entities, use cases, and external technology adapters remain decoupled and maintainable. The framework distinguishes itself by enforcing strict architectural boundaries and dependency inversion, preventing unauthorized access to core logic from external layers. It utilizes a command-query responsibility segregation pat

This project is a .NET Clean Architecture template designed to separate domain logic from infrastructure and web frameworks. It provides a project structure for C# applications and a React Redux frontend, creating a testable backend focused on maintainability. The implementation centers on Domain Driven Design, modeling core business domains using entities and value objects to manage complex requirements. It utilizes a decoupled architecture to ensure that business logic remains independent of external frameworks and database technologies. The project covers full stack application bootstrapp

This project is a clean architecture reference implementation and modular project template for Android development. It provides a structural blueprint designed to isolate business logic from external frameworks and user interfaces. The template emphasizes a modular approach to organize code into independent modules, which is intended to improve build times and long-term project scalability. It demonstrates the application of domain-driven design to keep core business rules and entities independent from the underlying platform. The implementation covers several key architectural patterns, inc

eShopOnWeb is a reference application for ASP.NET Core that demonstrates a sample e-commerce site. It serves as a template for building scalable services using domain-driven design to separate business logic from infrastructure and data access. The project implements a decoupled messaging pattern through a request pipeline to separate web controllers from application logic. It utilizes a repository pattern to abstract data persistence and isolate the core application logic from the specific database storage mechanism. The application covers a broad surface of web capabilities, including user

eShopOnContainers is a .NET microservices reference application designed to demonstrate cloud-native architecture patterns. It serves as a sample distributed system that implements domain-driven design and utilizes containerized services. The project is developed as a cross-platform sample compatible with Windows, Linux, and macOS. It utilizes Docker for containerized application deployment and supports orchestration via Azure Kubernetes Service to manage the scaling and availability of its services. The system covers microservices architecture design, asynchronous service communication, and

This project is an ASP.NET Core solution template and boilerplate that implements a clean architecture pattern for building enterprise applications and web API backends. It provides a standardized project scaffold designed to separate business logic from infrastructure and user interfaces to ensure high testability and low coupling. The project features a database agnostic structure that allows for switching persistence providers without altering core business logic. It includes a command line tool for enterprise application bootstrapping, enabling the automated generation of project structur