PrRescue is a rescue CD based on Gentoo amd64/i686 supporting nilfs2 and btrfs. Its goal is to always include the newest kernel and Gentoo packages.
Kissback is a backup software that allows to backup large directories containing large files to sftp servers. Standard file attributes, users, groups, and times are backuped and restored. Kissback tries to combine incremental backups with the simplicity of full backups. Kissback also makes sure that you are able to restore individual files manually without using the kissback software. Authentication is done using public key authentifcation.
Originally based on 'flyback', dupli.back, is a full featured backup GUI frontend application built on top of the duplicity command line backup tool.