Microsoft Office Outlook
Commercial
Microsoft Outlook is a personal information manager from Microsoft.
Apple Mail
Free
Apple Mail is an email client included with the operating systems macOS, iOS and watchOS by Apple Inc.
SeaMonkey
Open Source
SeaMonkey is a free and open-source Internet suite.
Evolution
Open Source
Evolution is the official personal information manager for GNOME.
Mailspring
Freemium
Mailspring is a multi-platform email client.
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.
Airmail
Commercial
Airmail is a fast mail client for Mac and iPhone.
Mutt
Open Source
Mutt is a text-based email client for Unix-like systems.
Rambox
Open Source
Rambox is a free and Open Source messaging and emailing app that combines common web applications into one.
Spark
Free
Spark is a fast, smart mail manager app.
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.
Foxmail
Free
Foxmail is a freeware e-mail client.
Mailbird
Freemium
Mailbird is a desktop email client for Windows 7, 8 and 10.
eM Client
Free Personal
eM Client is a Windows based e-mail client for sending and receiving e-mails, managing calendars, contacts, and tasks.
K-9 Mail
Open Source
K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures.
Postbox
Commercial
Postbox is powerful, intuitive, ultra-customizable, speedy task manager.
Claws Mail
Open Source
Claws Mail is a free and open-source, GTK+-based email and news client. It offers easy configuration and an abundance of features.
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.
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.
Polymail
Freemium
Polymail is an email application for OS X and iOS known for its clean interface and additional features atop the Gmail platform.
MailMate
Commercial
MailMate is an IMAP email client for macOS featuring extensive keyboard control, Markdown integrated email composition, advanced search conditions.
TypeApp
Free Personal
TypeApp is a mobile email client app.
Compare Thunderbird with alternatives
Compare Microsoft Office Outlook and Thunderbird and decide which is most suitable for you.
Compare Mailbird and Thunderbird and decide which is most suitable for you.
Compare Apple Mail and Thunderbird and decide which is most suitable for you.
Compare eM Client and Thunderbird and decide which is most suitable for you.
Compare SeaMonkey and Thunderbird and decide which is most suitable for you.
Compare K-9 Mail and Thunderbird and decide which is most suitable for you.
Compare Evolution and Thunderbird and decide which is most suitable for you.
Compare Postbox and Thunderbird and decide which is most suitable for you.
Compare Mailspring and Thunderbird and decide which is most suitable for you.
Compare Claws Mail and Thunderbird and decide which is most suitable for you.
Compare The Bat and Thunderbird and decide which is most suitable for you.
Compare Airmail and Thunderbird and decide which is most suitable for you.
Compare Sylpheed and Thunderbird and decide which is most suitable for you.
Compare Zimbra Desktop and Thunderbird and decide which is most suitable for you.
Compare Kontact - KMail and Thunderbird and decide which is most suitable for you.
Compare Polymail and Thunderbird and decide which is most suitable for you.
Compare Microsoft Mail and Calendar and Thunderbird and decide which is most suitable for you.
Compare MailMate and Thunderbird and decide which is most suitable for you.
Compare Foxmail and Thunderbird and decide which is most suitable for you.
Compare TypeApp and Thunderbird and decide which is most suitable for you.