Thunderbird
Open Source
Thunderbird is a open source mail client developed and maintained by Mozilla foundation.
Mailspring
Freemium
Mailspring is a multi-platform email client.
Geary
Open Source
Geary is an email application built around conversations, for the GNOME 3 desktop. It allows you to read, find and send email.
OpenProject
Open Source
OpenProject is a web-based project management system for location-independent team collaboration.
Evolution
Open Source
Evolution is the official personal information manager for GNOME.
Claws Mail
Open Source
Claws Mail is a free and open-source, GTK+-based email and news client. It offers easy configuration and an abundance of features.
Sylpheed
Open Source
Sylpheed is an open-source e-mail client and news client licensed under the GPL.
Compare Opera Mail with alternatives
Compare Thunderbird and Opera Mail and decide which is most suitable for you.
Compare Evolution and Opera Mail and decide which is most suitable for you.
Compare Mailspring and Opera Mail and decide which is most suitable for you.
Compare Claws Mail and Opera Mail and decide which is most suitable for you.
Compare Sylpheed and Opera Mail and decide which is most suitable for you.
Compare OpenProject and Opera Mail and decide which is most suitable for you.