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 é un cliente de correo electrónico para GNOME, altamente configurable e que incorpora todas as funcións que esperarías nun cliente de correo robusto.
Claws Mail
Claws Mail é un cliente de correo electrónico (e lector de noticias), baseado en GTK+, que inclúe
Resposta rápida
Interface elegante e sofisticada
Fácil configuración, operación intuitiva
Características abundantes
Extensibilidade
Robustez e estabilidade
Evolución
Evolution is a personal information management application that provides integrated mail, calendaring and address book functionality.
Thunderbird
Thunderbird is a free email application that’s easy to set up and customize – and it’s loaded with great features!