RabbitMQ - RabbitMQ is an open source message broker software.
StayNTouch - StayNTouch provides a full-featured mobile PMS and guest engagement capabilities.
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
Agilysys Stay - Property management software for the hospitality industry
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
SkyTouch Hotel OS - Hospitality property management