MathLink for AppleScript is a Scripting Addition (OSAX) that makes it possible to use Mathematica as a computational engine in AppleScript programs.
Use iSight Disabler to quickly turn on/turn off your built-in Intel Mac USB iSight with a handy AppleScript.
The Script Editor is the application used to read, write, record, and save AppleScript scripts.
Location Helper brings the power of Core Location to AppleScript.
iCal allows you to create a backup file by selecting File -> Back up iCal.
DMG Tool is an AppleScript Studio GUI front end for the command line tool hdiutil.
24U Appearance OSAX allows AppleScript to communicate with user in many more ways than those offered by basic installation.
Folder Manager X is an AppleScript-based application that can be used to batch process folders, performing common repetitive tasks.
MailMergeApp is an AppleScript Studio application that makes it amazingly simple to create 'merged' mailings using the built in Address Book and Email programs in Mac OS X.
Export Artwork is an AppleScript Studio application for use with iTunes on Mac OS X.