Check Gmail inbox, read and send messages from the top menu bar of your Mac.
MenuApp for Gmail is a simple application that lets you access Gmail from the top menu bar of your Mac.
Manage your Gmail account directly from your desktop.
Franz is a messaging application designed for Mac.
Gmail Browser is a standalone browser for the Gmail website.
Google Notifier is Google's application for notifying you on new Gmail messages.
Use an unofficial Inbox by Gmail client for desktop platforms.