Domain Driven Design Python Packages

eventsourcing

A library for event sourcing in Python.

flama

The production framework for Predictive and Generative AI. Serve any model as an API in one line, with OpenAI/Anthropic/Ollama-compatible endpoints, a built-in chat UI, and native MCP.

pymessagebus

A MessageBus / CommandBus light implementation for Python. Simple pattern that allows a clean decoupling in projects of any size! :-)

value-object-pattern

The Value Object Pattern is a Python 🐍 package that streamlines the creation and management of value objects 📦 in your projects. Value objects are immutable, self-validating objects that represent descriptive aspects of the domain with no conceptual identity.

tiferet

Build an app, the beautiful way.

protean

Pragmatic Framework for Ambitious Applications

django-ddd

Django the DDD way

fractal-toolkit

Fractal is a scaffolding toolkit for building SOLID logic for your Python applications.

starlette-api

The production framework for Predictive and Generative AI. Serve any model as an API in one line, with OpenAI/Anthropic/Ollama-compatible endpoints, a built-in chat UI, and native MCP.

forze

Domain-Driven Design and Hexagonal Architecture for backend services

minos-microservice-common

The common core of the Minos Framework

minos-microservice-networks

The networks core of the Minos Framework

dddesign

Domain Driven Design Library

aikicore

The Core Library for the Spirit of Harmony

domain-event-pattern

The Domain Event Pattern is a Python 🐍 package that implements the Domain Event pattern from Domain Driven Design. It provides composable building blocks 📡 Event, Publisher, Subscriber, and Dispatcher, so you can model "something happened" in your domain without framework lock-in.

guara

Guará is a Python framework for business logic expression. It allows you to write production code and tests as executable domain language

operetta

A lightweight framework for building Python applications that is not tied to a specific transport protocol

minos-microservice-saga

The SAGA pattern of the Minos Framework

finaegis

Open-source core banking platform — 61 DDD domains with event sourcing, CQRS, and a schema-first GraphQL API. Multi-asset accounts, exchange, lending, compliance, x402/MPP machine payments, and a non-custodial wallet backend. Laravel 12 / PHP 8.4. Reference implementation: the GCU basket currency.

comet-hunter

An image ingestion and processing system, designed to assist in the discovery of comets.

minos-microservice-cqrs

The CQRS pattern of the Minos Framework

minos-microservice-aggregate

The Aggregate pattern of the Minos Framework

pycider

Aggregates composition for domain driven design in Python

datajoint-link

A tool for linking two DataJoint tables located on different database servers