Gmail Mail Checkers
Gmail Notifier - Gmail Mail Checker
Gmail Notifier offers stylish and useful new mail announcements for a Gmail account.
Google Notifier for Mac OS X
Google Notifier for Mac OS X is a slick and simple but also clever and capable Gmail alert mechanism for the OS X menu bar that also previews senders and subjects, provides many shortcuts to the Gmail site and can make Gmail the default OS X mail program. (Mac)
GAlert is a stylish announcer for new mail in multiple Gmail accounts that can flexibly let you know about messages in specific labels and color-codes accounts or labels, too. (Windows)
Gee! is a wonderfully elegant and efficiently handy way to keep an eye on your Gmail Inbox with a menu bar icon displaying the number of new messages and the menu giving you the details. (Mac)
GMail Counter - Windows Vista Gadget
GMail Counter is a slick Windows Vista gadget that announces new mail in a Gmail account with a short preview and links to individual messages. (Windows)
Gmail Checker Widget
Gmail Checker Widget, in all its splendid simplicity, indicates new unread messages in a Gmail account with the aptitude of a mail stamp. (Mac)
Gmail Notifier Firefox Extension
Gmail Notifier informs you about new messages in a Gmail account via icons in either a Mozilla Firefox toolbar or the status bar, and you can learn which Gmail labels have unread messages, too.
Gmail+Growl adds the spice, elegance and sheer utility of Growl notifications to the more mundane and earthly Gmail Notifier for Mac OS X.
GmailGeiger is a widget for the Yahoo! Widget Engine that lets you watch multiple Gmail accounts and specific labels in them for new unread mail. (Windows, Mac)
GmailStatus gives a convenient count of unread mail in your Gmail account in the Mac OS X menu bar and lets you know which labels received new mail, too. (Mac)
GPush - Push Gmail iPhone App
GPush brings push alerts for new Gmail messages to your iPhone or iPod touch. (iPhone, iPod touch)
MailPop not only displays new messages in your Gmail account (including sender, subject and a few lines of body text) in best Dashboard widget manner, MailPop can also continue checking for mail when hidden and announce new mail by speaking it to you. (Mac)