KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news, and email.

HCL Domino is described as 'An enterprise application server that integrates information into a single workspace, integrates also a full mail server' and is a Email Client in the office & productivity category. There are more than 25 alternatives to HCL Domino for a variety of platforms, including Linux, Mac, Windows, BSD and iPad apps. The best HCL Domino alternative is Thunderbird, which is both free and Open Source. Other great apps like HCL Domino are Evolution, Microsoft Outlook, Apple Mail and OpenProject.
KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news, and email.

aerc is an email client that runs in your terminal. It's highly efficient and extensible, perfect for the discerning hacker.


Engineered for iOS, macOS, and watchOS, this fast mail client supports multiple account types, custom actions, Smart Inbox filtering, unified inbox, privacy mode, email scheduling, snooze, third-party app integration, flexible personalization, and advanced workflow tools.



Mail is designed to let you manage your email quickly and effortlessly. Its interface is based on conversations, so you can read an entire discussion without having to click from message to message.

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.




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.

Aerion is a modern, lightweight email client inspired by Geary, focused on resource efficiency and a clean user experience.

Omea Pro replaces tools like your Email Organizer, Desktop Search Utility, RSS Reader, Personal Information Manager, Newsgroup Reader, Task Manager, Contact Manager, Bookmark Manager, and Instant Message History Manager.



The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.




A fully fledged, free email server solution, an open source project (GPL v2).
Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support.
Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.
Works on both no.

Experimental terminal mail client aiming for configurability and extensibility with sane defaults.



