The Bat - The Bat! is a secure desktop email client for Windows, designed to protect your correspondence against third-parties and to save your time.
Warmup Inbox - Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.
Mailspring - Mailspring is a mail client for Mac, Windows and Linux.
MailReach.co - The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.
Geary - Geary is an email application built for GNOME 3.
Warmbox.ai - Warm up your cold email inbox, and never land in spam anymore!