MailToBotic
Eudora Thing
ShadowIRC
DigiChat (full package)
ICQ (OS X)
LocationChanger
KidsFilterShare
eMail Ripper
POPmonitor
Email Effects (OS X)
WebPeek (OS X)
Pitbull Pro (OS X)
WebPeek
Swifty
Delete2Archive
ByeByeBirdie
IP Copy
MiniMail
SafariNoTimeout
SimblPluginsForTwitter
QuadCom
redmail.com
FastEmailCheck Pro
MondoMail Email Plugin for FileMaker
Caem
Entourage Time Machine
PowerSMS
MailWing
Export-Import Entourage X
SnapTalk
InfoManager
SnapMail
MailBar