Default Folder X v1.9 is the popular Open/Save dialog enhancement utility. Version 1.9 offers OS X 10.3 "Panther" compatibility; users should not install earlier versions under Panther.
Alfred v1.6.2 is a Library item manager that lets you install/enable/disable preference panes, contextual menus, and other system add-ons. The update offers a number of minor bug fixes and new features.
USB Overdrive v1.0.3 is a third-party "universal" USB driver that supports mice, trackballs, joysticks, gamepads, etc. Version 1.0.3 provides compatibility with Panther and no longer disables the media keys on Apple keyboards.
SubRosaSoft DiskGuardian is a disk drive repair and monitoring utility. This version provides Panther compatibility.
AquaMon v1.5.8 is a system monitoring utility. This update, like others here, provides Panther compatibility.