No specific info about version 1.3. Please visit the main page of Inboxer on Mac Informer.
Manage your Gmail account directly from your desktop.
Gmail Browser is a standalone browser for the Gmail website.
Google Notifier is Google's application for notifying you on new Gmail messages.
With Beyond Inbox you can backup, transfer and restore your mailbox.
Back up Gmail Inbox, Sent Items, Drafts, Spam, Trash, etc.