DePC is a small tool suite for automatically setting the Mac type & creator codes of files, based on Finder settings & their extension. Includes a CLI app for scripting and power users, as well as a GUI app for easy configuration and use.
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