
SeaMonkey
Open SourceSeaMonkey is a free and open-source Internet suite.
Looking for Thunderbird alternatives? We've curated 9 top alternatives that offer similar functionality. Whether you need Linux options, free plans, or open source solutions, explore our comprehensive list to find the perfect fit for your needs.
SeaMonkey is a free and open-source Internet suite.
Evolution is the official personal information manager for GNOME.
Claws Mail is a free and open-source, GTK+-based email and news client. It offers easy configuration and an abundance of features.
Geary is an email application built around conversations, for the GNOME 3 desktop. It allows you to read, find and send email.
Sylpheed is an open-source e-mail client and news client licensed under the GPL.
Mutt is a text-based email client for Unix-like systems.
Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool.
Rambox is a free and Open Source messaging and emailing app that combines common web applications into one.
KMail is the email component of Kontact, the integrated personal information manager from KDE.
SeaMonkey is a free and open-source Internet suite.
Evolution is the official personal information manager for GNOME.
Claws Mail is a free and open-source, GTK+-based email and news client. It offers easy configuration and an abundance of features.
Geary is an email application built around conversations, for the GNOME 3 desktop. It allows you to read, find and send email.
Sylpheed is an open-source e-mail client and news client licensed under the GPL.
Mutt is a text-based email client for Unix-like systems.
Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool.
Rambox is a free and Open Source messaging and emailing app that combines common web applications into one.
KMail is the email component of Kontact, the integrated personal information manager from KDE.
Want to see how Thunderbird stacks up against alternatives? Select any option below for a detailed comparison.