Geary is a free and open source email client that is designed to provide users with an efficient and intuitive way to manage their email accounts. Geary is built to make email management easier for users by providing a modern, intuitive interface that makes it easy to quickly access, organize, and respond to emails. Geary provides users with a simple way to organize their emails, including threading conversations, archiving, and flagging important emails. With Geary, users can easily filter their emails by sender, subject, date, and more, and can quickly search through their emails with powerful search tools. Geary also supports a variety of popular email services, including Gmail, Yahoo!, and Outlook. Geary also provides users with powerful features to help them stay productive, such as a calendar, a task manager, and a notes app.
Outlook = centrado en MAPI, tiene un soporte mínimo para IMAP / POP3.
Designed for tablet use, mostly useless on a desktop.
Geary, EM Client and Mailspring are good alternatives for those who are used to the original versions of Outlook.
The discontinued Opera Mail is no longer updated and is no longer supported, but the latest version, 1.0.1044, released in February 2016, can still be downloaded from the official website.
It is more flexible, stable and with incredibly powerful extensions.