Clyton

Clyton is an email client with advanced security and spam filtering features.

Claws Mail

Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response

Apps/Evolution - GNOME Wiki!

Foxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems.

Email client by KDE, supporting POP3 and IMAP mailboxes.

Mailbird is the best email client for Windows 7, 8 and 10

Mailspring is a mail client for Mac, Windows and Linux.

Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

Mail and Calendar apps already built in Windows 10.

í ½í² Mail app for Nextcloud

Opera Mail powerfully organizes, indexes, and sorts your messages.

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Pegasus Mail has been in existence longer than any other PC email client.

The Power Email App for busy professionals, like you.

The Bat! is a secure desktop email client for Windows, designed to protect your correspondence against third-parties and to save your time.

TrulyMail is a multiple email management program for those users who have to frequently sign in to multiple email accounts.

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.

eM Client is a Windows-based email client for sending and receiving emails, and managing calendars, contacts and tasks.

nPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of…