Microsoft Mail and Calendar is described as 'Windows 10 has Mail and Calendar apps already built in' and is a Email Client in the office & productivity category. There are more than 50 alternatives to Microsoft Mail and Calendar for a variety of platforms, including Windows, Mac, Linux, iPhone and Android apps. The best Microsoft Mail and Calendar alternative is Thunderbird, which is both free and Open Source. Other great apps like Microsoft Mail and Calendar are Betterbird, Google Calendar, Microsoft Outlook and Fossify Calendar.
Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the calendars you want.
United States
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.
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Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).
Japan
The Bat! is a secure email client software, built to protect your correspondence against third-parties.
Moldova
Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various features to support mailing lists, including...
United States
Merkuro is a calendar and contact application that allows you to manage your tasks, events and contacts. Merkuro supports both local calendars as well as a multitude of online calendars: Nextcloud, Google® Calendar, Outlook®, Caldav, and many more.
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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.
Productivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative features like live views and comments.
United States
aerc is an email client that runs in your terminal. It's highly efficient and extensible, perfect for the discerning hacker.
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.
United States
No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP).
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An enterprise application server that integrates information into a single workspace, integrates also a full mail server
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