Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
RabbitMQ - RabbitMQ is an open source message broker software.
Dropbox - Online Sync and File Sharing
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
Microsoft OneDrive - Secure access, sharing & file storage
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.