I have a microservices system using RabbitMq as Message Broker, I want to talk with them from .Net. Thanks!
you can use http://www.squaremobius.net/amqp.node/ as nodejs client and the official .NET client https://www.rabbitmq.com/dotnet.html
I'd suggest to read: https://www.rabbitmq.com/getstarted.html there are several examples