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.
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.
Polymail
Freemium
Polymail is an email application for OS X and iOS known for its clean interface and additional features atop the Gmail platform.
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.
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.
Spark
Free
Spark is a fast, smart mail manager app.
MailMate
Commercial
MailMate is an IMAP email client for macOS featuring extensive keyboard control, Markdown integrated email composition, advanced search conditions.
Compare Apple Mail with alternatives
Compare Thunderbird and Apple Mail and decide which is most suitable for you.
Compare Microsoft Office Outlook and Apple Mail and decide which is most suitable for you.
Compare Zimbra Desktop and Apple Mail and decide which is most suitable for you.
Compare OpenProject and Apple Mail and decide which is most suitable for you.
Compare Kontact - KMail and Apple Mail and decide which is most suitable for you.
Compare Polymail and Apple Mail and decide which is most suitable for you.
Compare MailMate and Apple Mail and decide which is most suitable for you.