It is free email application that’s easy to set up and customize – and it’s loaded with great features as well. Thunderbird is yet another popular free email client.

It is a paid app and multiple options are available for purchase. It also comes with customization options along with support for built in apps like Facebook, Twitter, Whatsapp, Dropbox, Google Calendar, Asana, Todoist and many more.

It is light weight on resources and does not hog your system memory. One of the best features of MailBird is that it eliminates clutter from your inbox and presents the emails in a beautiful app.