Fastest Gmail Alternatives

POP Peeper is an email notifier that runs in your Windows task bar and alerts you when you have new email on your POP3, IMAP (with IDLE support), Hotmail\MSN\LiveMail, Yahoo, GMail, Mail.com, MyWay, Excite, iWon, Lycos.com, RediffMail, Juno and NetZero accounts.

Displays new emails, sender's contact photo, and notifications, and allows the user to listen, read or delete emails without opening Gmail! Supports multiple accounts plus and provides many other tools.

nPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of Windows-based operating systems

A desktop email client for your Mac, without a browser !.

Gmail™ Notifier is an open-source project that notifies you about incoming emails from all your Google Mail accounts and labels.

Magic Mail Monitor (MMM) is a free POP3 mail monitor with multiple accounts support. It sits silently in your system tray, and notifies you about new messages in your mailboxes. Then you can preview messages and delete unwanted mail in order to avoid spam and viruses.

PopMan is a POP3 and IMAP4 manager. It can be used to list all e-mails received on your incoming mail server, without having to load these mails completely. Unwanted e-mails can be deleted directly from the server.

Have you fallen in love with the fabulous email notifier program Poptray, but you're running a newer version of Windows than PopTray was designed for? Now there's a new option. Developer Jessica Brown has built upon PopTray to create PopTrayU!.

Gm-notify is a notifier for Linux/Gnome/Ubuntu 10.10(or more), perfectly integrated with Unity and Gala notification system "osd-notify"

Howard is a replacement for the Windows Live Messenger email notification. A tooltip and a sound will notify you about a new email. The tooltip shows you the sender and email subject. Just click the tooltip or icon to open your inbox in your browser or Windows Mail.

Displays the number of unread messages in your Google Mail inbox. You can also click the button to open your inbox.

Mail Notification monitors your mailboxes for new mail. It can monitor multiple mailboxes concurrently, and supports Evolution, Gmail, IMAP, Maildir, mbox, MH, Mozilla products (Mozilla, SeaMonkey, Thunderbird, …), POP3, Sylpheed, Windows Live Hotmail and Yahoo! Mail mailboxes.