Quick Look Inbox for Gmail for Chrome from Jackie(Guokai) Han
Quick Look Inbox for Gmail is a free and highly-customizable application that will help you manage your Gmail account and be notified of any new email you receive.
This tool is easy to use and has a simple interface, allowing you to check your inbox without the need to download any other applications. It is capable of checking your email, viewing your recent emails, as well as performing some common operations.
This tool has rich settings that can be used to meet the needs of different users, and also has an excellent support team that will be available to help you whenever you need help.