Alternatives to nPOPuk for all platforms 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

  • Mailbird icon

    Mailbird

    The Best Email Client for Windows 7, 8 & 10 - Mailbird is more than just another email client. It's an all-in-one...

    Freemium Windows

  • 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

  • Roundcube icon

    Roundcube

    Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality...

    Open Source Self-Hosted PHP

  • Evolution icon

    Evolution

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

    Open Source Linux BSD GNOME

  • 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

  • eM client icon

    eM client

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

    Freemium Windows

  • Opera Mail icon

    Opera Mail Discontinued

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

    Free Mac Windows

  • 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

  • Claws Mail icon

    Claws Mail

    Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated...

    Open Source Windows Linux Xfce

  • Geary icon

    Geary

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

    Open Source Linux BSD GNOME

  • 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

  • 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 Apple Watch

  • EssentialPIM icon

    EssentialPIM

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

    Freemium Windows Android iPhone

  • Sylpheed

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

    Open Source Mac Windows Linux BSD Xfce

  • 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

  • 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

  • POP Peeper icon

    POP Peeper

    POP Peeper is an email notifier that runs in your Windows task bar and alerts you when you have new email on your POP3, IMAP (with...

    Free Windows

  • The Bat icon

    The Bat

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

    Commercial Windows

  • 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

  • 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

  • Foxmail icon

    Foxmail

    Foxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems.

    Free Windows

  • Gmail Notifier (restartless) icon

    Gmail Notifier (restartless)

    Gmail Notifier (restartless) is an open-source project that notify you about incoming emails from all your Google Mail accounts and...

    Open Source Mac Windows Linux Chrome Firefox

  • Email.biz icon

    Email.biz

    Indian Webmail service allowing people to sign up for an @email.biz mail account. Cloud based Login and Multiple Login System give...

    Free Web / Cloud

  • 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

  • Magic Mail Monitor (MMM) icon

    Magic Mail Monitor (MMM)

    Magic Mail Monitor (MMM) is a free POP3 mail monitor with multiple accounts support. It sits silently in your system tray, and...

    Free Windows

  • PopMan icon

    PopMan

    PopMan is a POP3 and IMAP4 manager. It can be used to list all e-mails received on your incoming mail server, without having to load...

    Free Windows

  • Mail icon

    Mail

    With the Mail application for Windows 8.1 you can now easily see all message from your favorite people, more clearly organize social...

    Free Windows RT

  • Polymail icon

    Polymail

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

    Free Mac iPhone iPad

  • IncrediMail icon

    IncrediMail Warning

    Advertising-supported email client for the Microsoft Windows operating system by IncrediMail Ltd. that offers the ability to add...

    Free Personal Windows

  • Gmail Notifier Pro icon

    Gmail Notifier Pro

    Gmail Notifier Pro is a Windows application capable of checking multiple Gmail accounts for new mail and display notifications. ...

    Free Personal Windows

  • Inbox2 icon

    Inbox2 Discontinued

    Inbox2 is a premium connected lifestyle application that brings communication - and the people you communicate with - into a single...

    Open Source Windows Web / Cloud

  • 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