GmailStatus 1.1 for Mac can be downloaded from our website for free. This free Mac application was originally produced by Carsten Guenther. The software is included in Communication Tools.
From the developer:
GmailStatus is a Gmail notifier for Apple Macintosh users. It installs itself in the OS X menubar and shows the number of unread messages in the inbox.
Features
User-definable hotkey opens Gmail inbox in browser.
Choose "Check now" to check for new messages at any time.
Choose "Open inbox" to open Gmail in your browser.
Choose "New message" to compose a new message in Gmail.
See labels and their unread count. Open labels in the browser.
You may want to check out more Mac applications, such as Hogwasher, Portable Thunderbird or MacBiff, which might be similar to GmailStatus.