Gmail on or offline...
A free app for Windows, by Google
A Google Talk client to call your Gmail contacts for free
Easily switch from a desktop email client to Gmail
Access Gmail and online services
Check your Gmail messages without opening your browser
A desktop email client for your Mac, without a browser!
Gmail client with unique options
A free program for mac
Minimalist desktop client for Gmail
AJAX-based collaboration tool
A promising alternative to Outlook
Powerful slick mail client
E-mail, calendar and IM client in one
Free minimalist desktop client for Gmail
A full version program for mac
Email client compatible with POP, IMAP, Hotmail, Yahoo and Gmail
A Twitter, Facebook, Gmail, Hotmail and Yahoo Mail client for your windows that floats around your desktop.
Email client for Gmail accounts