MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker) and supports v3.1.0, v3.1.1 and v5.0.0 of the MQTT protocol.
A base class library to add useful extensions to .NET, like messanging, LINQ expression parser and extension methods, Task Parallel Library helpers, type auto-mapping for storage and benchmark.
Postal.js is an in-memory message bus - very loosely inspired by AMQP - written in JavaScript. Postal.js runs in the browser, or on the server-side using Node.js.
A lightweight message bus interface for .NET. The goal of this library is to introduce a slim facade for messaging brokers. Use one of the transport providers for in-process (in-memory), Apache Kafka or Azure Service Bus messaging.