Microsoft Virtual PC v6.1.1 is an update to the utility that allows you to run Windows on your non-G5 Mac. Version 6.1.1 provides compatibility with "upcoming Windows XP Professional service packs."
IPNetTunerX v1.1.7 is the Internet connection optimization tool.
Spell Catcher X v10.1 is the universal spell checker, thesaurus, and dictionary. Version 10.2 provides a number of new features, enhancements, and bug fixes, as well as better Panther compatibility.
PDFpen v1.1 is a utility for working with PDF files (combining, reordering, splitting, annotating, etc.) Version 1.1 provides some new features as well as improved performance.
User Manager v0.2.1 is a utility for managing user accounts in OS X 10.3.
iCal Backup v1.0.0b2 is a beta version of a new utility for backing up iCal calendar files.