multiple displays

Scale and print PDF files on multiple pages to create banners and posters.

SessionTimer Pro is a handy time logging tool for multiple projects.

Application designed and developed to play multiple audio tracks.

Combine multiple iCal calendars and publish them to your .Mac account.

Use Norrkross Movie to edit video in multiple layered tracks

iPhoto Buddy can create, manage, and switch between multiple iPhoto Libraries.

Merge music, video, and playlists in multiple iTunes libraries over a network.