Thunderbird
Open Source
Thunderbird is a open source mail client developed and maintained by Mozilla foundation.
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.
Mutt
Open Source
Mutt is a text-based email client for Unix-like systems.
OpenProject
Open Source
OpenProject is a web-based project management system for location-independent team collaboration.
Open365
Open Source
Open365 is an all-in-one productivity suite, based on KDE, Seafile, LibreOffice, Docker, and Jitsi.
Evolution
Open Source
Evolution is the official personal information manager for GNOME.
Sylpheed
Open Source
Sylpheed is an open-source e-mail client and news client licensed under the GPL.
Zimbra Desktop
Free Personal
Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool.
Kontact - KMail
Open Source
KMail is the email component of Kontact, the integrated personal information manager from KDE.
Compare Claws Mail with alternatives
Compare Thunderbird and Claws Mail and decide which is most suitable for you.
Compare Evolution and Claws Mail and decide which is most suitable for you.
Compare Sylpheed and Claws Mail and decide which is most suitable for you.
Compare Zimbra Desktop and Claws Mail and decide which is most suitable for you.
Compare OpenProject and Claws Mail and decide which is most suitable for you.
Compare Kontact - KMail and Claws Mail and decide which is most suitable for you.