Alternatives to Microsoft Office Outlook for macOS with any license

  • Thunderbird icon

    Thunderbird

    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after...

    Open Source Mac Windows Linux BSD Haiku

  • Sunrise Calendar icon

    Sunrise Calendar Discontinued

    Sunrise is a free calendar made for Google Calendar, iCloud and Exchange. Sunrise also connects with all your favorite apps like...

    Free Mac Web / Cloud Android iPhone Chrome OS Android Tablet ... iPad Apple Watch

  • 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

  • Opera Mail icon

    Opera Mail

    Opera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), supports...

    Free Mac Windows

  • Postbox icon

    Postbox

    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

  • Nylas N1 icon

    Nylas N1

    N1 is an email client designed to be friendly and easy to use but also powerful and highly extensible. It works "out of the...

    Freemium Mac Windows Linux Web / Cloud Self-Hosted

  • Airmail icon

    Airmail

    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

  • Sylpheed icon

    Sylpheed

    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

  • 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

  • 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

  • Inky icon

    Inky

    End-to-End Encrypted Email that is a Delight to Use, on all devices, with all email accounts.

    Commercial Mac Windows Android iPhone Android Tablet iPad

  • Mutt icon

    Mutt

    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

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  • Open365 icon

    Open365

    The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better...

    Open Source Mac Windows Linux Android iPhone Self-Hosted

  • 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

  • CloudMagic icon

    CloudMagic

    The email app that gets work done. Works with Gmail, Exchange, Yahoo, Outlook, iCloud, Google Apps, Office 365 and any IMAP account. ...

    Freemium Mac Android iPhone Android Tablet iPad Apple Watch ... Android Wear

  • Polymail icon

    Polymail

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

    Free Mac iPhone iPad

  • 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

  • Kontact - KMail icon

    Kontact - KMail

    KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager...

    Open Source Mac Windows Linux BSD

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  • GyazMail icon

    GyazMail

    GyazMail is a email client software for Mac OS X, based on Cocoa framework, simple, easy-to-use with many features.

    Commercial Mac

  • BusyCal icon

    BusyCal

    Share Calendars on a LAN and sync with Google Calendar. BusyCal combines a beautiful, personal desktop calendar with an award...

    Commercial Mac

  • Columba icon

    Columba Discontinued

    Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization...

    Open Source Mac Windows Linux BSD

  • Mulberry icon

    Mulberry Discontinued

    Mulberry is a powerful, easy to use electronic mail (email) and calendar program that allows you to send, access, and manage email and...

    Open Source Mac Windows Linux

  • MailMate icon

    MailMate

    MailMate is an IMAP email client for Mac OS X featuring extensive keyboard control, Markdown supported email composition.

    Commercial Mac

  • IBM Notes icon

    IBM Notes

    IBM Notes (formerly IBM Lotus Notes) is a desktop client for social business. This email software includes messaging, applications and...

    Commercial Mac Windows Linux

  • Ominder icon

    Ominder

    Keep track of all your Events with free SMS and Email notifications. Store and organize your Events and To-do on Ominder and never...

    Free Mac Windows Linux Android Windows Phone

  • Google Calendar Checker icon

    Google Calendar Checker

    Quickly see the time until your next meeting from any of your calendars. Click on the button to be taken to your calendar. Update: ...

    Free Mac Windows Linux

  • Alarms icon

    Alarms Discontinued

    Intuitive task management/reminder app for the Mac. Just drag the items you want to be remembered of to the Alarms menu and place...

    Commercial Mac

  • i.Scribe (InScribe) icon

    i.Scribe (InScribe)

    Scribe is a small and fast email client with an intergrated contact database and calendar. It supports all the major internet mail...

    Freemium Mac Windows Linux Haiku

  • GmailDockAttach icon

    GmailDockAttach Discontinued

    GmailDockAttach is a small OS X app for ultra-fast composing Gmail messages with attachments. Just drop a file ar whole folder on...

    Free Mac

  • Caliander icon

    Caliander

    Caliander is the calendar that lets you create events faster and with less effort while keeping you on top of things with its smart...

    Commercial Mac

  • PreMinder icon

    PreMinder

    PreMinder is an easy to use calendar with monthly, two-monthly, week or multi-week views. A handy scrollbar that lets you move through...

    Commercial Mac