Horde AlternativesWebMail Providers and other similar apps like Horde

Horde is described as 'Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project' and is a webmail provider in the online services category. There are more than 25 alternatives to Horde for a variety of platforms, including Web-based, Self-Hosted, Linux, Android and iPhone apps. The best Horde alternative is Gmail, which is free. Other great apps like Horde are Zoho Mail, Roundcube, mailcow: dockerized and Mailpile.

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Alternatives list

  1. Gmail icon

    Gmail

     3206 likes

    Gmail offers robust spam blocking, undo send, Google Chat for collaboration, Spaces for organizing projects, Google Meet video calls, Smart Reply, threaded conversations, and swift notifications, seamlessly integrating with Google Workspace for a comprehensive email experience.

    83 Gmail alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Google Chrome
    • Android Wear
    • Android TV
    • Software as a Service (SaaS)
    Gmail screenshot 1
     
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    1
    Comments about Gmail as an Alternative to Horde
    Mister Hutchinson
    Negative
    0

    Gmail is a webmail service, not software for self-hosting, and definitely not open-source.

    Gmail icon
    Gmail icon
    • Gmail is Free and ProprietaryHorde is Free and Open Source
  2. Zoho Mail icon

    Zoho Mail

     123 likes

    Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

    108 Zoho Mail alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • HUAWEI AppGallery
    • Samsung Galaxy Store
    All-in-one view
     
  4. Roundcube icon

    Roundcube

     170 likes

    Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.

    27 Roundcube alternatives

    Cost / License

    Application type

    Platforms

    • Self-Hosted
    • PHP
    • Cloudron
    • Nextcloud
    Roundcube screenshot 1
     
  5. Ad
    Screenshot
    Zoho Mail icon
    Zoho Mail

    Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

    https://www.zoho.com
    Learn More
  7. Mailpile icon

    Mailpile

     117 likes

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    Mailpile screenshot 1
     
  8. Vivaldi Mail icon

    Vivaldi Mail

     34 likes

    Vivaldi Mail is a free email service with no ads and no strings attached developed by Vivaldi Technologies. It also offers contacts and calendar features, search capabilities, folders management, WEB/POP/IMAP access, 10GB of storage capacity, 20 MB of maximum attachment size...

    101 Vivaldi Mail alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Vivaldi
    Mail
     
  10. Mailo icon

    Mailo

     25 likes

    The mail service which respects you.

    83 Mailo alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • OpenPGP
    Mobile
     
  11. Rainloop icon

    Rainloop

     58 likes

    Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no database required. All these make RainLoop Webmail a perfect choice for your email solution.

    13 Rainloop alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Alerts

    • Discontinued

    Platforms

    • Online
    • Self-Hosted
    • Nextcloud
    • JavaScript
    • PHP
    • Cloudron
    Login
     
  13. Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

     35 likes

    Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.

    46 Zimbra Collaboration Suite alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Linux
    • Online
    • Self-Hosted
    Zimbra Collaboration Suite screenshot 1
     
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    1
    Comments about Zimbra Collaboration Suite as an Alternative to Horde
    sondrak
    Positive
    0

    Similar scope of groupware functionality, including calendar, tasks, etc.

    Zimbra Collaboration Suite icon
    Zimbra Collaboration Suite icon
    • Zimbra Collaboration Suite is Paid and ProprietaryHorde is Free and Open Source
  14. SOGo icon

    SOGo

     30 likes

    SOGo is groupware server with a focus on scalability and open standards.

    SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV.Share your calendars, address books and mails in.

    61 SOGo alternatives

    Cost / License

    Application type

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron
    SOGo screenshot 1
     
  15. PissMail icon

    PissMail

     4 likes

    Handing out free email addresses on edgy/based/cringe domain names since 2021.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    PissMail screenshot 1
     
12 of 41 Horde alternatives