AppleScripts to manipulate iChat & iTunes
Mailsum gives you insight in your email behavior.
webmail & calendaring service supports iCal, POP, IMAP
Check multiple Gmail accounts at specified intervals.
Email client with a clean, intuitive interface and end-to-end encryption.
Make international Voip calls.
Send and track personalized messages.
Collection of 100 top-quality templates for Apple Mail.
Fast, stable IRC client.
Check and access your Gmail accounts from the menu bar.
People-centric email client.
Manage bookmarks with Delish and connect to your delicious.com or pinboard.in accounts.