Kontact AlternativesCalendar Apps & Email Clients like Kontact

Kontact is described as 'Personal Information Manager (Mail, Contact, Calendar and more)' and is a Calendar app in the office & productivity category. There are more than 100 alternatives to Kontact for a variety of platforms, including Windows, Mac, iPhone, Web-based and Android apps. The best Kontact alternative is Google Calendar, which is free. Other great apps like Kontact are Fossify Calendar, Evolution, Microsoft Outlook and eM Client.

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Kontact alternatives page was last updated Mar 23, 2025

Google Calendar
945 likes
Manage events seamlessly with syncing across devices, automatic event creation from Gmail, shareable schedules, customizable reminders, and a user-friendly interface. Features include dark mode, integration with Google services, and support for recurring events and global time zones.
155 Google Calendar alternatives
Cost / License
Free
Proprietary
Application type
Calendar App
Origin
United States
Platforms
Online
Android
iPhone
Chrome OS
Android Tablet
iPad
Sunbird
Google Chrome
+4
Is Google Calendar a good alternative to Kontact?
Google Calendar is the most popular Web-based, Android, iPhone & iPad alternative to Kontact.
Google Calendar is the most popular free alternative to Kontact.
Google Calendar is Free and ProprietaryKontact is Free and Open Source
Fossify Calendar
47 likes
Your privacy-aware, open-source calendar with intuitive design and multi-platform syncing.
50 Fossify Calendar alternatives
Cost / License
Free
Open Source
Application type
Calendar App
Origin
India
Platforms
Android
Android Tablet
F-Droid
Is Fossify Calendar a good alternative to Kontact?
Fossify Calendar is the most popular Open Source alternative to Kontact.
Fossify Calendar is Free and Open SourceKontact is also Free and Open Source
Fossify Calendar is Privacy focused, Customizable and LightweightKontact is not according to our users
Evolution
205 likes
Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.
69 Evolution alternatives
Cost / License
Free
Open Source
Application types
Email Client
Calendar App
Origin
United States
Platforms
Linux
BSD
Flathub
S/MIME
GNOME
OpenPGP
+4
Is Evolution a good alternative to Kontact?
Evolution is the most popular Linux alternative to Kontact.
Evolution is Free and Open SourceKontact is also Free and Open Source
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Google Calendar
Manage events seamlessly with syncing across devices, automatic event creation from Gmail, shareable schedules, customizable reminders, and a user-friendly interface. Features include dark mode, integration with Google services, ...

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Microsoft Outlook
397 likes
Streamline emails, calendars, contacts, and task management with a smart inbox prioritizing critical messages. Includes calendar scheduling, third-party app integration like Facebook, Dropbox, and Trello, and support for Microsoft Exchange, Outlook.com, and Gmail, ensuring efficient task and email handling.
126 Microsoft Outlook alternatives
Cost / License
Pay once or Subscription
Proprietary
Application types
Email Client
Calendar App
Origin
United States
Platforms
Mac
Windows
Online
Android
iPhone
Android Tablet
iPad
Apple Watch
Android Wear
+7
Is Microsoft Outlook a good alternative to Kontact?
Microsoft Outlook is the most popular Windows & Mac alternative to Kontact.
Microsoft Outlook is the most popular commercial alternative to Kontact.
Microsoft Outlook is Paid and ProprietaryKontact is Free and Open Source
eM Client
232 likes
eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.
61 eM Client alternatives
Cost / License
Freemium (Pay once)
Proprietary
Application types
Email Client
Calendar App
Origin
Czechia
EU
Platforms
Mac
Windows
Android
+5
Is eM Client a good alternative to Kontact?
Apple Mail
244 likes
Access, view and manage messages from all your email accounts in one place. Categorize your messages into easy to browse categories. Catch up on email easily with Apple Intelligence powered Priority Messages and summarizations.
105 Apple Mail alternatives
Cost / License
Free
Proprietary
Application type
Email Client
Origin
United States
Platforms
Mac
Online
iPhone
iPad
Apple Watch
Is Apple Mail a good alternative to Kontact?
Fantastical
73 likes
Simplify scheduling with natural language input, major platform sync, vibrant color-coded views, personalized writing style recognition, task and conference call integration, and customizable widgets for comprehensive calendar management.
68 Fantastical alternatives
Cost / License
Freemium (Subscription)
Proprietary
Application type
Calendar App
Origin
United States
Platforms
Mac
Windows
iPhone
iPad
Apple Watch
visionOS
+7
Is Fantastical a good alternative to Kontact?
EssentialPIM
75 likes
The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.
174 EssentialPIM alternatives
Cost / License
Freemium (Pay once or Subscription)
Proprietary
Application types
Todo List Manager
Task Management Tool
Origin
Estonia
EU
Platforms
Windows
Android
iPhone
+9
Is EssentialPIM a good alternative to Kontact?
Google Contacts
68 likes
Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
49 Google Contacts alternatives
Cost / License
Free
Proprietary
Application type
Contact Manager
Origin
United States
Platforms
Online
Android
Android Tablet
Android Wear
+2
Is Google Contacts a good alternative to Kontact?
Simple Calendar
51 likes
A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers.
Cost / License
Freemium (Pay once)
Proprietary
Application type
Calendar App
Origin
Israel
Alerts
Warning
Platforms
Android
Android Tablet
+5
Is Simple Calendar a good alternative to Kontact?
Apple Calendar
144 likes
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.
99 Apple Calendar alternatives
Cost / License
Free
Proprietary
Application type
Calendar App
Origin
United States
Platforms
Mac
iPhone
iPad
iCloud
+1
Is Apple Calendar a good alternative to Kontact?
Right Calendar
9 likes
Right Calendar app is a versatile scheduling tool that offers unparalleled flexibility to its users. One of its standout features is that it is built on an open-source platform. This not only ensures transparency but also allows for constant updates and bug fixes from a...
Cost / License
Free Personal
Open Source
Application type
Calendar App
Origin
International
Platforms
Android
Is Right Calendar a good alternative to Kontact?