1.

Dekko 2

Email by azubieta
Dekko2 is an convergent email client for Ubuntu Touch. It is under active development and usable in its beta form.Dekko2 lets you add multiple accounts and supports IMAP and SMTP (POP3 is considered experimental) details.
AppImage
Available as/for:64bit - x86AppImagearm64 - 64bitDesktopPhoneTablet
5.0
Feb 10 2021
2.

Owatron

Email by hb882
A Electron based Linux desktop app for Microsoft Outlook and Office 365 with desktop notifications (email/reminder), spellchecker, context menu and system tray integration.NOTE: This is only to provide appimages, I am not the developer.
AppImage
Available as/for:64bit - x86AppImage
5.0
Dec 17 2020
3.

Thunderbird - Appimage 78.3

Email by AJSlye
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!NOTE: This is only to provide appimages, I am not the developer.
AppImage
Available as/for:64bit - x86AppImagestable
5.7
Oct 06 2020
4.

Sieve

Email by hb882
Sieve is a powerful scripting language for server-side mail filtering. It is intended to be used with IMAP which is ubiquitous. Many IMAP Servers are capable of running Sieve filters. Sieve stores and runs all scripts on the server-side.NOTE: This is only to provide appimages, I am not the...
AppImage
Available as/for:64bit - x86AppImagegit
5.0
Aug 23 2020
5.

Freelook

Email by hb882
Freelook, an Electron-based client for Microsoft Outlook.NOTE: This is only to provide appimages, I am not the developer.
AppImage
Available as/for:64bit - x86AppImage
5.0
Dec 03 2019
6.

Inboxer

Email by hb882
Unofficial, free and open-source Inbox by Gmail Desktop App.NOTE: This is only to provide appimages, I am not the developer.
AppImage
Available as/for:64bit - x86AppImage
5.0
Mar 21 2019
7.

Tutanota

Email by hb882
Tutanota is an email client with a strong focus on security and privacy that lets you encrypt emails on all your devices.NOTE: This is only to provide appimages, I am not the developer.
AppImage
Available as/for:64bit - x86AppImage
5.0
Mar 21 2019
8.

Protonmail

Email by hb882
ProtonMail Desktop is an unofficial app that emulates a native client for the ProtonMail e-mail service. NOTE: This is only to provide appimages, I am not the developer.
AppImage
Available as/for:64bit - x86AppImage
2 comments
6.3
Nov 25 2018
9.

airsyncDownload 1.5

Email by mkoller
This little tool downloads your emails froman Exchange Server and stores them in a local mbox file.Optionally the mails can be kept on the server.It uses the Exchange ActiveSync protocol.See http://en.wikipedia.org/wiki/Airsyncconfiguration: see airsyncDownload --help
9 comments
5.0
Jun 17 2018
10.

Claws Mail 3.16.0

Email by claws
Claws Mail - the user-friendly, lightweight and fast email client!
6.6
Dec 17 2017