EvoBackup is a combination of tools to manage backups on Evolix servers.
What you install on the servers you want to backup.
There is a backup script (usually executed by cron or similar), a utility script and some libraries.
More information in the client README.
What you install on the servers that store the backups.
This is also known as bkctld : a program to manage SSH servers in chroots to isolate backup destinations, daily copies and data retention.
More information in the server README.