Script Debugger provides everything you need to quickly and easily author AppleScripts that work.
Flexibly schedule the execution of AppleScript, perl, and shell scripts, as well as Automator workflows and applications.
Auto Schedued Tasks allows you to schedule any script, program, or document.
AppleScript app for adding or removing tasks from the launchd database.
Backup software designed to automate all your backup and archiving tasks.