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.
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.
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 Mailspring with alternatives
Compare Thunderbird and Mailspring and decide which is most suitable for you.
Compare Evolution and Mailspring and decide which is most suitable for you.
Compare Zimbra Desktop and Mailspring and decide which is most suitable for you.
Compare OpenProject and Mailspring and decide which is most suitable for you.
Compare Kontact - KMail and Mailspring and decide which is most suitable for you.