SmallCubed MailSuite provides you with four handy components in a single Mail plugin. You can use MailTags to escape the constraints of folders and organize your messages by keywords, projects, importance, color, due dates and more. The Mail Act-Ons powerful keystroke rules and message filing interface gives you the ability to quickly take action on your e-mail. The Mail Perspectives helps you create a compact Perspective window for each of your critical mailboxes, while the SigPro module allows you to create a signature once and use it for all accounts.
Mia for Gmail (was Notifier Pro for Gmail) is a desktop Gmail client which sits politely in your menu bar.
