MailBox 1.0 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac app was originally designed by ZENertain.
The following version: 1.0 is the most frequently downloaded one by the program users. The unique ID for this program's bundle is com.zentertain.mailboxmac. We recommend checking the downloaded files with any free antivirus. The latest version of the application is supported on Mac OS X 10.6 or later. The application lies within Communication Tools, more precisely E-mail.
From the developer:
MailBox is an app that puts a GMail client on your status bar.
You may want to check out more Mac applications, such as Mailboxer, MailboxManager or Email Filing Assistant, which might be similar to MailBox.
E-mail Tools