• Google Calendar icon

    Google Calendar

    With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations...

    Free Web / Cloud Android iPhone Chrome OS Android Tablet iPad ... Sunbird Chrome

  • Apple Mail icon

    Apple Mail

    There’s big news attached. The best way to manage email on a Mac gets even better with OS X Yosemite.

    Free Mac iPhone iPad

  • eM Client icon

    eM Client

    Fully functional alternative to Microsoft Outlook, including native interoperability with Exchange servers.

    Free Personal Windows

  • Postbox icon


    Postbox is an email application that helps you organize your work life and get stuff done. It has all the elegance and simplicity...

    Commercial Mac Windows

  • Evolution icon


    Evolution is the official personal information manager and workgroup information management tool for GNOME. It combines e-mail...

    Open Source Linux BSD GNOME

  • Airmail icon


    Airmail is a lightweight and lightning fast mail client for Mac. Feature list: Accounts: - Unified Inbox and folders - Multi...

    Commercial Mac iPhone iPad Apple Watch

  • Apple Calendar icon

    Apple Calendar

    Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for...

    Free Mac iPhone iPad iCloud

  • Sylpheed icon


    Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA). Sylpheed runs on many systems such...

    Open Source Mac Windows Linux BSD

  • MyLifeOrganized icon


    MyLifeOrganized (MLO) is a personal task outliner and to-do list manager which will help you to organize your goals, projects and...

    Freemium Windows Android iPhone Android Tablet iPad Apple Watch

  • Rainlendar icon


    Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application...

    Freemium Mac Windows Linux

  • Org-mode icon


    Org-mode is for keeping notes, maintaining ToDo lists, doing project planning, and authoring with a fast and effective plain-text...

    Open Source Mac Windows Linux Android iPhone iPad

  • Know any more alternatives to Kontact?

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  • EssentialPIM icon


    EssentialPIM lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and...

    Freemium Windows Android iPhone

  • The Bat icon

    The Bat

    The Bat! is a secure email client software, built to protect your correspondence against third-parties.

    Commercial Windows

  • FullContact icon


    The FullContact Address Book lets you keep all your contacts in one place, automatically up-to-date. This social contact management...

    Freemium Web / Cloud Android iPhone Android Tablet iPad Chrome ... Gmail

  • Sparrow icon

    Sparrow Discontinued

    Sparrow is a minimalist mail application for Mac. It was designed to keep things simple and efficient. No fancy stuff here... just...

    Commercial Mac iPhone

  • Mutt icon


    Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message...

    Open Source Mac Windows Linux Xfce

  • Windows Live Mail icon

    Windows Live Mail Discontinued

    Windows Live Mail (formerly named Windows Live Mail Desktop) is a freeware email client from Microsoft. It is the successor to Outlook...

    Free Windows

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  • UV Outliner icon

    UV Outliner Discontinued

    UV Outliner is a small and powerful single-pane outliner. It is intended for creating, organizing, and collecting information. With...

    Free Windows

  • Zimbra Desktop icon

    Zimbra Desktop

    The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts...

    Free Personal Mac Windows Linux

  • Google Contacts icon

    Google Contacts

    Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service...

    Free Web / Cloud

  • Polymail icon


    The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.

    Free Mac iPhone iPad

  • Trojitá icon


    Trojitá, is a fast Qt IMAP e-mail client that respects open standards and facilitates modern technologies. Trojitá values...

    Open Source Windows Linux

  • Mail icon


    Windows 10 has Mail and Calendar apps already built in. With the Mail application you can now...

    Free Windows

  • Memotoo icon


    With Memotoo, sync all you want ! Sync and share your personal datas (bookmarks, address book, calendar, files, ...) with...

    Commercial Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Blackberry Android Tablet Windows Phone iPad Blackberry 10 PlayBook

  • AOL Mail icon

    AOL Mail

    FREE e-mail account with IMAP, spam and virus protection with UNLIMITED storage (GMail max. 7.3 GB). Because of this AOL WebMail is...

    Free Web / Cloud

  • Contacts icon


    Contacts, called Address Book before OS X Mountain Lion, is a computerized address book included with Apple Inc.'s macOS.

    Commercial Mac

  • UKs Kalender icon

    UKs Kalender

    This program helps you organizing your dates and tasks and reminds you of upcoming events.

    Free Windows

  • Week Plan icon

    Week Plan

    Check out this FREE online fluid weekly planner. Stop trying to be productive, be effective!

    Freemium Windows Web / Cloud Android iPhone Android Tablet iPad

  • sup icon


    Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic...

    Open Source Linux

  • Alpine icon

    Alpine Discontinued

    Alpine is a fast, easy to use email client that is suitable for both the inexperienced email user as well as for the most demanding of...

    Open Source Mac Windows Linux

  • nPOPuk icon

    nPOPuk Discontinued

    nPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of Windows-based operating systems

    Open Source Windows Windows Mobile

  • Simple Mail icon

    Simple Mail

    Simple Mail is a mail client for Firefox. It allows you to get notified, read and write messages for multiple email accounts inside...

    Free Mac Windows Linux Firefox

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