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Production-grade Rust-native trading engine with deterministic event-driven architecture

Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.

Low-code programming for event-driven applications

Dapr is a portable runtime for building distributed applications across cloud and edge, combining event-driven architecture with workflow orchestration.

Netty project - an event-driven asynchronous network application framework

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

Event-driven network application framework for high performance protocol servers & clients, non-blocking.

The TypeScript framework for building durable, event-driven actors.

QP/C++ Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M MCUs).

Event-driven, streaming HTTP client and server implementation for ReactPHP.

Async, event-driven and UTF-8 aware console input & output (STDIN, STDOUT) for truly interactive CLI applications, built on top of ReactPHP.

Jam.py is an event-driven framework for the development of database applications with a Web interface.

Next generation distributed, event-driven, parallel config management!

An actor-based Framework with network transparency for creating event-driven architecture in Golang. Inspired by Erlang. Zero dependencies.

Event-driven Automation Framework for Kubernetes

🚀 gnet is a high-performance, lightweight, non-blocking, event-driven networking framework written in pure Go.

Versaloon Software Framework -- a tiny preemptive-capable event-driven incremental software framework for embedded systems

Asynchronous, event-driven algorithmic trading in Python and C++

An Intuitive Event-Driven Reactive Programming Library for Java

A purely functional library for building distributed and event-driven systems.

Documentation for Kestra — an event-driven, language-agnostic orchestration and scheduling platform to manage millions of workflows declaratively in code.

An Event-Driven, Asynchronous, Behavioral State Machine Library for ROS2 (Robotic Operating System) applications written in C++

A event-driven workflow engine for Python

💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)

🍔 A practical and cloud-native food delivery microservices, built with .Net Aspire, .Net 10, Wolverine, Domain-Driven Design, CQRS, Vertical Slice Architecture, Event-Driven Architecture, and the latest technologies.

tac_plus-ng, and legacy sources for tac_plus, ftpd, tcprelay

Emmett - a Node.js library taking your event-driven applications back to the future!

[GenAI Application Development Framework] 🚀 Build GenAI application quick and easy 💬 Easy to interact with GenAI agent in code using structure data and chained-calls syntax 🧩 Use Event-Driven Flow *TriggerFlow* to manage complex GenAI working logic 🔀 Switch to any model without rewrite application code

a high-performance, easy-to-use, multi-symbol, multi-strategy, multi-period, multi-account event-driven trading bot

Optimized Python fork of Backtrader for strategy backtesting and live trading, with vectorized and event-driven modes, multi-timeframe data, technical indicators, and portfolio analytics.