Google Calendar

Free

Google Calendar is a cloud based calendar from Google.

Apple Mail

Free

Apple Mail is an email client included with the operating systems macOS, iOS and watchOS by Apple Inc.

Postbox

Commercial

Postbox is powerful, intuitive, ultra-customizable, speedy task manager.

Rainlendar

Freemium

Rainlendar is a calendar program for Windows, Mac OS X and Linux.

EssentialPIM

Freemium

EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries, e…

Airmail

Commercial

Airmail is a fast mail client for Mac and iPhone.

Mutt

Open Source

Mutt is a text-based email client for Unix-like systems.

Zimbra Desktop

Free Personal

Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool.

FullContact

Freemium

FullContact gives you all the power of your address book, right in your Gmail inbox.

Google Contacts

Free

Google Contacts is Googles contact management tool that is available in its free email service Gmail.

Contacts

Commercial

Contacts is a default contacts management app for Mac based operating systems.

Polymail

Freemium

Polymail is an email application for OS X and iOS known for its clean interface and additional features atop the Gmail platform.

MailMate

Commercial

MailMate is an IMAP email client for macOS featuring extensive keyboard control, Markdown integrated email composition, advanced search conditions.

FCorp ID Book

Free

FCorp ID Book is a portable, light but powerful address book.

Microsoft Office Outlook

Commercial

Microsoft Outlook is a personal information manager from Microsoft.

eM Client

Free Personal

eM Client is a Windows based e-mail client for sending and receiving e-mails, managing calendars, contacts, and tasks.

Apple Calendar

Free

Calendar is a personal calendar application made by Apple Inc. that runs on both the macOS desktop operating system and iOS mobile operating system.

MyLifeOrganized

Freemium

MyLifeOrganized (MLO) is the most flexible and powerful task management software for getting your to-dos finally done.

The Bat

Commercial

The Bat! is an email program for Windows that protects the correspondence and empowers the users to handle large amounts of emails quickly and efficiently.

Sylpheed

Open Source

Sylpheed is an open-source e-mail client and news client licensed under the GPL.

Fantastical

Commercial

Fantastical is the calendar app for Mac.

UV Outliner

Free

UV Outliner is a single pane outliner with multicolumn support.

OpenProject

Open Source

OpenProject is a web-based project management system for location-independent team collaboration.

Memotoo

Commercial

Memotoo sync all your contacts from Gmail, Facebook, phone, Thunderbird, Outlook, etc in a single address book.

AOL Mail

Free

AOL Mail (Aol Mail) is a free web-based email service.

Microsoft Mail and Calendar

Free

Microsoft Mail and Calendar apps help you stay up to date on your email, manage your schedule and stay in touch with people you care about the most.

Kontact - KOrganizer

Open Source

KOrganizer is the calendar and scheduling component of Kontact, the integrated personal information manager from KDE.

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Google Calendar vs Kontact

Compare Google Calendar and Kontact and decide which is most suitable for you.

Microsoft Office Outlook vs Kontact

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Apple Mail vs Kontact

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eM Client vs Kontact

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Postbox vs Kontact

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Apple Calendar vs Kontact

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Rainlendar vs Kontact

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MyLifeOrganized vs Kontact

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EssentialPIM vs Kontact

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The Bat vs Kontact

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Airmail vs Kontact

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Sylpheed vs Kontact

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Mutt vs Kontact

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Fantastical vs Kontact

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Zimbra Desktop vs Kontact

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UV Outliner vs Kontact

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FullContact vs Kontact

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OpenProject vs Kontact

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Google Contacts vs Kontact

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Memotoo vs Kontact

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Contacts vs Kontact

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AOL Mail vs Kontact

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Polymail vs Kontact

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Microsoft Mail and Calendar vs Kontact

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MailMate vs Kontact

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Kontact - KOrganizer vs Kontact

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FCorp ID Book vs Kontact

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Kontact Alternatives

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