4th Office is an inbox app that works with your existing e-mail. By redesigning your inbox around your contacts and giving each one their own stream, you can focus better on the important stuff. The 'Follow-up' feature lets you batch messages and get back to them at specific times. 4th Office’s ‘Team’ feature allows you to collaborate and work on group projects inside your inbox.
Mia for Gmail (was Notifier Pro for Gmail) is a desktop Gmail client which sits politely in your menu bar.
