f(model) - Functional and Reactive domain modeling with Java

PostgreSQL as event store - event sourcing & event streaming

Documents you want to learn easily

Combo Flow/HIlla project for demo purposes

A reference implementation of an event-sourced system that uses PostgreSQL as an event store built with Spring Boot. Fork the repository and use it as a template for your projects. Or clone the rep…

The project demonstrates how you can develop applications with Jakarta EE using widely adopted architectural best practices like Domain-Driven Design (DDD).

Very simple demonstration of the use of htmx with Spring Boot and Thymeleaf.

Libraries to help developers express architectural abstractions in Java code

A library for generating typed models based on inputs such as AsyncAPI, OpenAPI, and JSON Schema documents with high customization

The AsyncAPI specification allows you to create machine-readable definitions of your asynchronous APIs.

The most scalable open-source MQTT broker for IoT, IIoT, and connected vehicles

Framework for building Event-Driven Microservices

Provides Familiar Spring Abstractions for Apache Kafka

Parallel Apache Kafka client wrapper with client side queueing, a simpler consumer/producer API with key concurrency and extendable non-blocking IO processing.

OpenFGA Public Roadmap

The Community repository is the place to go for OpenFGA support

OpenFGA Client SDK Generator

Helpful functions for building OpenFGA model authoring frontends - https://www.npmjs.com/package/@openfga/frontend-utils

A high performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar

Fault tolerance and resilience patterns for the JVM

Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...)

Easily sync open-policy rules to your feature toggles

Functional, Algebraic and Reactive domain modeling with Kotlin (Multiplatform)

Java application with Neo4j (Spring Boot, Spring Data Neo4j, Lombok)

Piranha - a modern cloud runtime

The examples for the book "Reactive Messaging Patterns with the Actor Model"