RabbitMQ - RabbitMQ is an open source message broker software.
Velix.ID - Frictionless Identity verification through Blockchain
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
NoPass.me - Open-source identity verification
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
Stripe Identity - The easiest way to verify identities