With JustBack you can backup to CD-R or CD-RW. All data is compressed but the original directory structure is maintained. Uses incremental backups and maintains a local accessible copy of the most recent backup.
Runs in the system tray and has a built in scheduler for unattended backups. Backup sets can be password protected. Tools menu to earase CD-RW so they may be re-used

Backup, Backups, utility, utilities