AquaISO is a Cocoa application built for Mac OS X 10.5 and above. It is used to convert a VIDEO_TS compilation into .ISO format image, which may then be burned to disc or saved.
xrBackup is backup software for Mac OS X that uses an innovative combination of HFS-enabled rsync together with disk image shadow files to perform differential backups. It is the successor to the Perl-based rbackup project, built using a native Cocoa GUI