Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
RabbitMQ - RabbitMQ is an open source message broker software.
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.
BlockCypher - AWS for Block Chains
Apache ActiveMQ - Apache ActiveMQ is an open source messaging and integration patterns server.