No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP).




Koma-Mail is described as 'Email client which is comfortable and has very handy functions. It does not need an installation, so that you can run Koma-Mail from your flash drive but, of course, also on your desktop' and is a Email Client in the office & productivity category. There are more than 50 alternatives to Koma-Mail for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Koma-Mail alternative is Thunderbird, which is both free and Open Source. Other great apps like Koma-Mail are K-9 Mail, Google Calendar, Evolution and Microsoft Outlook.
No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP).




LucaMail is an open source, cross-platform email client. LucaMail is developed to provide cross-platform alternative to Email Clients that are really exists. LucaMail focuses on modern technologies as well as maintaining a user-friendly UI.




Scribe is a small portable email client with an intergrated contact database and calendar. It supports all the major internet mail protocols and uses international standards where possible. Scribe doesn't required installing or uninstalled and can be used from a removable...




Modern open-source email client supporting unified inbox, IMAP/SMTP, Gmail and Outlook with OAuth2, conversation threading, rich text TipTap composing, CardDAV contact sync, tracking removal, dark mode, color themes, vim-style shortcuts, and a detachable window.

Productivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative features like live views and comments.




Mac IMAP email client featuring keyboard control, Markdown email composition, advanced search capabilities, smart mailboxes, automatic signature handling, cryptographic options with OpenPGP/S-MIME, tagging, multiple notifications, and customizable layouts including widescreen.








Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact- list management, custom code insertion via a hook system, and more.

newDay is an experimental timekeeping and calendar system that helps users to set intentions for each of the ten newHours that comprise a newDay.



Your daily schedule is created from your logged Activities. Comfortably browse what activities you have planned for the day on the main “day” page. Watch them light up as you go through your day and collect streaks for each day you plan.




Alpine is a fast, easy to use email client for the command line that is suitable for both the inexperienced email user as well as for the most demanding of power users. Alpine is based on the Pine® Message System (http://www.washington.

Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.


