Mailbird Visit Website Visit Website A high-performance desktop email clients for GMail and Microsoft Exchange users on Windows
Best Office Software in 2026 Thunderbird Manage your calendar, contacts, and email inbox with a free client from Mozilla HCL Notes An email client built for enterprises that includes a large email server, messenger application and more eM Client Email client packaged with other helpful features such as tasks, calendars, notes, chat, and more Amazon WorkMail A combined calendar and email program that helps you function efficiently Airmail A high-performance, streamlined email client with advanced spam filtering features for Apple smartphones, tablets, and laptops Zimbra Desktop Open source email solution for managing all email accounts in one fully-featured app
