Thunderbird
Open Source
Thunderbird is a open source mail client developed and maintained by Mozilla foundation.
Mailbird
Freemium
Mailbird is a desktop email client for Windows 7, 8 and 10.
Postbox
Commercial
Postbox is powerful, intuitive, ultra-customizable, speedy task manager.
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.
Microsoft Mail and Calendar apps help you stay up to date on your email, manage your schedule and stay in touch with people you care about the most.
Microsoft Office Outlook
Commercial
Microsoft Outlook is a personal information manager from Microsoft.
eM Client
Free Personal
eM Client is a Windows based e-mail client for sending and receiving e-mails, managing calendars, contacts, and tasks.
The Bat
Commercial
The Bat! is an email program for Windows that protects the correspondence and empowers the users to handle large amounts of emails quickly and efficiently.
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.
Foxmail
Free
Foxmail is a freeware e-mail client.
Compare Claws Mail with alternatives
Compare Thunderbird and Claws Mail and decide which is most suitable for you.
Compare Microsoft Office Outlook and Claws Mail and decide which is most suitable for you.
Compare Mailbird and Claws Mail and decide which is most suitable for you.
Compare eM Client 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.
Compare Microsoft Mail and Calendar and Claws Mail and decide which is most suitable for you.