Client Communication
PowerMail
Ctmdev(Trial version)HTTP Mail Plugin
Solar Model(Free)GPGMail
GPGMail(Free)Google Notifier for Mac
Google Inc.(Free)Apple Mail Update
Apple(Free)Revolver Mail
Revolversoft(Free)Mia for Gmail
Stephane Queraud - Sovapps(Free)Emailchemy
Weirdkid(Trial version)Outlook Express
Microsoft(Free)MacResponder
Brunoblondeau(Free)