Bksh is a backup tool to work around backup limitations. The problem was the following: given a secure machine with close to no free disk space, how to proceed with a secure backup without giving a full login shell on the backup server.
A collection of PERL scripts that leverage existing parts of the Unix system and allow users to backup and restore verified and compressed images of any mountable file-system, network drive, or even a disk partition
Pybackup is a Python program that performs backups by compression files before creating tar archives, which offers better protection against faulty backup media than compressing the entire archive.
Fsbackup is an incremental backup creation utility. fsbackup.pl support backup compression and encryption. Backup can be stored on local file system and on remote host stored over SSH or FTP
Tapeback is a general purpose tape backup and restore utility set that supports modern SCSI based tape drives. The tapeback utility set also includes a kernel patch (should work on both recent 2.4 and 2.6 Linux kernels) to facilitate real-time tape load status reporting.