Microsoft Mail and Calendar Alternatives

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 Google Calendar, Betterbird, Fossify Calendar and Evolution.

More about Microsoft Mail and Calendar

Microsoft Mail and Calendar alternatives page was last updated Mar 5, 2025

Ltt.rs
3 likes
No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP).
Cost / License
Free
Open Source
Application type
Email Client
Origin
Germany
EU
Platforms
Android
F-Droid
Is Ltt.rs a good alternative to Microsoft Mail and Calendar?
Meru (formerly Gmail Desktop)
1 like
Desktop app for Gmail, available on macOS, Linux & Windows.
Cost / License
Free
Open Source
Application type
Email Client
Platforms
Mac
Windows
Linux
Is this a good alternative to Microsoft Mail and Calendar?
Polymail
22 likes
The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.
Cost / License
Subscription
Proprietary
Application type
Email Client
Origin
United States
Platforms
Mac
Windows
Online
iPhone
iPad
Is Polymail a good alternative to Microsoft Mail and Calendar?
Ad
Morgen
Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling simil...

https://morgen.so
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LucaMail
9 likes
LucaMail is an open source, cross-platform email client. LucaMail is developed to provide cross-platform alternative to Email Clients that are really exists. LucaMail focuses on modern technologies as well as maintaining a user-friendly UI.
70 LucaMail alternatives
Cost / License
Free
Open Source
Application type
Email Client
Origin
India
Alerts
Discontinued
Platforms
Mac
Windows
Linux
+5
Is LucaMail a good alternative to Microsoft Mail and Calendar?
VueMinder Calendar
19 likes
Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and notes with a simple glance at a transparent calendar that sits right on your Windows desktop.
54 VueMinder Calendar alternatives
Cost / License
Freemium
Proprietary
Application type
Calendar App
Origin
United States
Platforms
Windows
Is VueMinder Calendar a good alternative to Microsoft Mail and Calendar?
Scribe Mail
7 likes
Scribe is a small portable email client with an intergrated contact database and calendar. It supports all the major internet mail protocols and uses international standards where possible. Scribe doesn't required installing or uninstalled and can be used from a removable...
Cost / License
Free
Open Source
Application types
Email Client
Calendar App
Platforms
Mac
Windows
Linux
Haiku
+1
Is Scribe Mail a good alternative to Microsoft Mail and Calendar?
sup
13 likes
Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact- list management, custom code insertion via a hook system, and more.
46 sup alternatives
Cost / License
Free
Open Source
Application type
Email Client
Platforms
Linux
Is sup a good alternative to Microsoft Mail and Calendar?
Orbit Communicator
1 like
Orbit Communicator is a client server application that's designed to be deployed locally on your desktop machine. It currently provides an integrated email / calendaring experience based on external IMAP mail sources.
Cost / License
Free
Proprietary
Application types
Email Client
Calendar App
Origin
United Kingdom
Platforms
Mac
Linux
Self-Hosted
Is Orbit Communicator a good alternative to Microsoft Mail and Calendar?
Calendar Buddy
1 like
Your daily schedule is created from your logged Activities. Comfortably browse what activities you have planned for the day on the main “day” page. Watch them light up as you go through your day and collect streaks for each day you plan.
Cost / License
Freemium (Subscription)
Proprietary
Application type
Calendar App
Platforms
iPhone
iPad
Is Calendar Buddy a good alternative to Microsoft Mail and Calendar?
Pegasus Mail
14 likes
Pegasus Mail is a free, standards-based electronic mail client suitable for use by single or multiple users on single computers or on local area networks.
Cost / License
Free
Proprietary
Application type
Email Client
Origin
New Zealand
Platforms
Windows
+2
Is Pegasus Mail a good alternative to Microsoft Mail and Calendar?
Columba
6 likes
Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.
Cost / License
Free
Open Source
Application type
Email Client
Alerts
Discontinued
Platforms
Mac
Windows
Linux
BSD
Is Columba a good alternative to Microsoft Mail and Calendar?
Mulberry
8 likes
Mulberry is a powerful, easy to use electronic mail (email) and calendar program that allows you to send, access, and manage email and calendars. Mulberry also helps you manage other related information, such as contact information.
Cost / License
Free
Open Source
Application types
Email Client
Calendar App
Origin
United States
Alerts
Discontinued
Platforms
Mac
Windows
Linux
Is Mulberry a good alternative to Microsoft Mail and Calendar?