Editing
Quickspace
Little brother to Dizzy, add 3D Models to your Photoshop work with this little plug-in - also available for Windows!
iOpener (1 User)
If you have ever had problems opening art in it's publisher through Quark theniOpener is a must for you. iOpener allows you to open multiple graphics at the same time, simply select the items you want to work with and open iOpener through the menu or use the easy key command.