Opera Mail is a pretty new email client made by Opera, authors of the popular web browser with the same name.
Users can add and manage different email accounts in this program, it supports IMAP and POP protocols to keep or not email copies on server. For example, you can add multiple Gmail accounts and verify, compose and manage them directly from Opera Mail, without accessing each separate email account with different logins.
It has an interface with tabs, a modern look and feel, allows to search and filter messages or mark them with different colors.
