Top 4 nbd open source projects

A block device in user space for Linux in Golang

Backup utiliy for Libvirt / qemu / kvm supporting incremental and differencial backups.

Boot your operating system on a different hardware device via network 👢

Encryption tool that's heavily inspired by the Rubberhose file system (https://en.wikipedia.org/wiki/Rubberhose_(file_system)).