You'll be able to see their introduction and other information once they have accepted your connection request.
swarrot is a PHP library to consume message from any Broker (AMQP messages). https://github.com/swarrot/swarrot
contactkey is a Go command-line tool that orchestrates deployments on complex environments. This is a project I did with colleagues at Blablacar. https://github.com/blablacar/contactkey