Alternatives to IBM Notes for all platforms with any license

  • 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

  • Notezilla icon

    Notezilla

    Take quick notes on Post-It(r) like sticky notes on Windows desktop, stick those notes to websites, documents & folders. Set...

    Commercial Windows Web / Cloud Android iPhone Android Tablet iPad

  • Geary icon

    Geary Discontinued

    Geary is a lightweight email program designed around conversations and built for the GNOME...

    Open Source Linux BSD GNOME

  • 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

  • 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

    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

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

    Free Windows

  • XWiki icon

    XWiki

    A fully-featured wiki for the Enterprise. It's also a second generation wiki offering the ability to install and develop small...

    Open Source Mac Windows Linux Java Mobile

  • Kontact icon

    Kontact

    Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications under...

    Open Source Windows Linux

  • Polymail icon

    Polymail

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

    Free Mac iPhone iPad

  • sup icon

    sup

    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

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  • 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

  • nPOPuk icon

    nPOPuk

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

    Free Windows Windows Mobile

  • iRedMail icon

    iRedMail

    A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD...

    Open Source Linux BSD Self-Hosted

  • 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

  • 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

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  • mu icon

    mu

    mu is a tool for dealing with e-mail messages stored in the Maildir-format, on Unix-like systems. mu's main purpose is to help you...

    Open Source Mac Linux BSD

  • Omea Pro icon

    Omea Pro

    Omea Pro replaces tools like your Email Organizer, Desktop Search Utility, RSS Reader, Personal Information Manager, Newsgroup Reader...

    Free Windows

  • Evomail icon

    Evomail Discontinued

    Email is stale. We’re driving email forward through innovation across all mail clients and server implementations -- with or without...

    Free iPhone iPad

  • MailMate icon

    MailMate

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

    Commercial Mac

  • FleetDB Discontinued

    FleetDB offers a flexible and expressive data model designed for the needs of modern application developers; a combination of...

    Open Source Mac Windows Linux

  • TrulyMail icon

    TrulyMail

    TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.). Features:...

    Free Windows

  • Ymail2 icon

    Ymail2

    yMail2 is a standalone email client for Windows (and Linux), available for free since 2003. Now with SSL support included so you can...

    Free Windows Linux

  • Persevere

    Persevere is designed to create applications with user interface implemented primarily on the client side and Persevere playing the...

    Open Source Mac Windows Linux

  • do-Organizer icon

    do-Organizer

    do-Organizer includes useful tools to improve your experience and qualify you as an achiever. Store valuable information with a...

    Commercial Windows