RabbitMQ - RabbitMQ is an open source message broker software.
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
ZeroMQ - ZeroMQ is a high-performance asynchronous messaging library.
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
D-Bus - D-Bus is a message bus system, a simple way for applications to talk to one another.
Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.