Thunderbird, Microsoft Office Outlook, Spark Mail, Mailbird, Apple Mail, Evolution, Mailspring, Postbox, Airmail, EssentialPIM, Mutt, Windows Live Mail, IncrediMail, Geary, Spike, Juicy Mail, Foxmail, Trojitá, FileOne, Superhuman, Microsoft Outlook Express, WunderMail, MailMate, ProfiMail, Opera Mail, nPOPuk, Nylas Mail Lives, Canary Mail, Fuser, Polymail, Hiri, Zoho Calendar, Zimbra Desktop, TouchMail, Delta Chat, SolMail, SlideMail, Simple Mail, aerc, Koma-Mail, Claws Mail, Pantheon Mail, Mailbox for Zoho, EmailTray, Google Calendar Checker, Becky! Internet Mail, DreamMail, Ymail2, Clyton, Columba, FossaMail, Inbox2, GyazMail, Postler, AutoSnoozer, Bluemail for mac, LeaderSend, Mailsmith, Spicebird, InboxZero, Mulberry, Mail Pilot, Mailburn, Smampi, Coolendar are some alternatives to EM Client.