Email

5 Best Free and Open Source Lightweight GUI Email Clients

Email remains the killer information and communications technology. Email volume shows no sign of diminishing, despite the increasing popularity of collaborative messaging tools.

Messages are exchanged between hosts using the Simple Mail Transfer Protocol with software programs called mail transfer agents, and delivered to a mail store by programs called mail delivery agents, frequently referred to as email clients.

Email clients offer a variety of features. Many email clients offer a slew of features, some stick with just the basics. At the end of the day, what is important is that you find an email client that offers what you need, it is reliable, and works well on your computer. Thunderbird is widely regarded as an exceptional open source desktop email client, especially on Linux. It is highly customizable, has a rich set of features, and is geared for both novices and professional users. Our only real disaffection with Thunderbird is that it can feel a bit sluggish on inexpensive hardware. If you are looking for an alternative first-rate graphical email client that works with limited system resources, you have come to the right place.

Here is our take on the finest lightweight and user-friendly graphical email clients that can be widely used from beginners to power users. They are all released under an open source license.

Ratings chart for lightweight, graphical email clients

Lightweight Email Clients
SylpheedClient also based on the GTK+ GUI toolkit
Claws MailPowerful, user-friendly, fast and full-featured mail client based on GTK+
GearyLightweight mail client for GNOME that is written in Vala
AstroidLightweight and fast Mail User Agent
Trojit√°Qt-based IMAP email client
Best Free and Open Source SoftwareRead our complete collection of recommended free and open source software. Our curated compilation covers all categories of software.

The software collection forms part of our series of informative articles for Linux enthusiasts. There are hundreds of in-depth reviews, open source alternatives to proprietary software from large corporations like Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk.

There are also fun things to try, hardware, free programming books and tutorials, and much more.

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