Thunderbird
Open Source
Thunderbird is a open source mail client developed and maintained by Mozilla foundation.
Postbox
Commercial
Postbox is powerful, intuitive, ultra-customizable, speedy task manager.
Mutt
Open Source
Mutt is a text-based email client for Unix-like systems.
Microsoft Office Outlook
Commercial
Microsoft Outlook is a personal information manager from Microsoft.
Airmail
Commercial
Airmail is a fast mail client for Mac and iPhone.
Kontact - KMail
Open Source
KMail is the email component of Kontact, the integrated personal information manager from KDE.
Compare Sylpheed with alternatives
Compare Thunderbird and Sylpheed and decide which is most suitable for you.
Compare Microsoft Office Outlook and Sylpheed and decide which is most suitable for you.
Compare Kontact - KMail and Sylpheed and decide which is most suitable for you.