Betterbird is a fine-tuned version of Mozilla Thunderbird, Thunderbird on steroids, if you will.
Delta Chat
Delta Chat is like Telegram or Whatsapp but without the tracking or central control.
Geary
Geary is an email application built around conversations, for the GNOME 3 desktop.
Balsa
Balsa is an e-mail client for GNOME, highly configurable and incorporating all the features you would expect in a robust mail client.
Claws meili
Claws Mail is an email client (and news reader), based on GTK+, featuring
Tali vave
Fakaʻofoʻofa, mo e Interface
Fokotuʻutuʻu faingofua, tafa faingofua
Ngaahi meʻa lahi
Extensibility
Robustness mo e taʻeueʻia
Liliu heʻene hoko
Evolution is a personal information management application that provides integrated mail, calendaring and address book functionality.
Thunderbird School of
Thunderbird is a free email application that’s easy to set up and customize – and it’s loaded with great features!