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, Linux, Self-Hosted, Android and iPhone apps. The best Horde alternative is Gmail, which is free. Other great apps like Horde are Roundcube, Zoho Mail, Mailpile and Vivaldi Mail.

filter to find the best alternatives

Horde alternatives are mainly WebMail Providers but may also be Email Clients or Mail Servers.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Horde.
Horde iconHorde
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Horde 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.

More about Horde
More about Horde
Horde alternatives page was last updated Mar 1, 2023
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  1. Gmail icon
    Gmail icon

    Gmail

     3196 likes
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    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.

    78 Gmail alternatives
    Gmail screenshot 1
    Gmail screenshot 2
    +5
    Gmail screenshot 3

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Google Chrome
    • Android Wear
    • Android TV
    • Software as a Service (SaaS)

    Top Gmail Features

    1.  Integrated Search
    2.  Integrated Chat
    3.  Multiple Account support
    4.  Mail Server
    5.  Basic html mode
    6.  Custom Backgrounds
    7.  Email Organizer
    8.  Works Offline
    9.  Mail Filtering
    10.  Unified inbox
    11. IFTTT icon  IFTTT Integration
    12.  Passkey Support
    Gmail iconHorde Icon

    Gmail VS Horde

    Is Gmail a good alternative to Horde?
     
    Comments about Gmail as an Alternative to Horde
     
    Mister Hutchinson

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

    Negative comment •Mar 1, 2023
    0
    Horde Icon
    Gmail icon

    • Gmail is the most popular Web-based, Android, iPhone & iPad alternative to Horde.

    • Gmail is the most popular free alternative to Horde.

    • Gmail is Free and ProprietaryHorde is Free and Open Source
  2. Roundcube icon
    Roundcube icon

    Roundcube

     166 likes
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    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.

    26 Roundcube alternatives
    Roundcube screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Self-Hosted
    • PHP
    • Cloudron
    Mailbox
    Dark mode
    +9
    Compose

    Roundcube Features

    1.  WYSIWYG Support
    2.  PGP Encryption
    3.  Dark Mode
    4.  IMAP Support
    5.  Hostable
    Roundcube iconHorde Icon

    Roundcube VS Horde

    Is Roundcube a good alternative to Horde?
     

    • Roundcube is the most popular Self-Hosted alternative to Horde.

    • Roundcube is the most popular Open Source alternative to Horde.

    • Roundcube is Free and Open SourceHorde is also Free and Open Source
  4. Zoho Mail icon
    Zoho Mail icon

    Zoho Mail

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

    104 Zoho Mail alternatives
    All-in-one view

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Apple Watch
    • Android Tablet
    All your tasks in a single place
    Take your bookmarks anywhere you go
    +3
    Instant chat for instant communication

    Properties

    1.  Privacy focused

    Features

    1.  Custom Domain
    2.  Ad-free
    3.  Mail Filtering
    4.  Virtual office
    5.  Two-factor Authentication
    6.  Document Sharing
    7.  Support for Aliases
    8.  Email reminder
    9.  SMTP Support
    10.  Snooze Mail
    11.  POP3 Support
    12.  Integrated Spam Protection
    Zoho Mail iconHorde Icon

    Zoho Mail VS Horde

    Is Zoho Mail a good alternative to Horde?
     

    • Zoho Mail is the most popular Windows, Mac & Linux alternative to Horde.

    • Zoho Mail is Freemium and ProprietaryHorde is Free and Open Source
    • Zoho Mail is Privacy focusedHorde is not according to our users
  5. Ad
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    Thexyz icon

    Thexyz

    Thexyz build the best tools around for email to make your life simple. Continually updating the product offerings to give customers the very best in email and domain technology.

    https://www.thexyz.com
    Learn More
  6. Mailpile icon
    Mailpile icon

    Mailpile

     117 likes
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    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.

    60 Mailpile alternatives
    Mailpile screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    Mailpile screenshot 1

    Mailpile Features

    1.  OpenPGP
    2.  Web-Based
    3.  Encrypted Email
    4.  IMAP Support
    5.  POP3 Support
    Discontinued

    The latest release (1.0.0rc6) was released in September 2019.

    Mailpile iconHorde Icon

    Mailpile VS Horde

    Is Mailpile a good alternative to Horde?
     
  7. Vivaldi Mail icon
    Vivaldi Mail icon

    Vivaldi Mail

     32 likes
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    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...

    95 Vivaldi Mail alternatives
    Mail

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Online
    • Vivaldi
    Calendar
    New Message
    +2
    Manage Folders

    Vivaldi Mail Features

    1.  Ad-free
    2.  PGP Encryption
    3.  Mail Filtering
    4.  Dark Mode
    5.  Calendar Integration
    6.  IMAP Support
    7.  POP3 Support
    8.  Encrypted Email
    9.  Web-Based
    Vivaldi Mail iconHorde Icon

    Vivaldi Mail VS Horde

    Is Vivaldi Mail a good alternative to Horde?
     
  8. mailcow: dockerized icon
    mailcow: dockerized icon

    mailcow: dockerized

     41 likes
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    mailcow is a mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration.

    22 mailcow: dockerized alternatives
    mailcow: dockerized screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • Self-Hosted
    mailcow: dockerized screenshot 1
    mailcow: dockerized screenshot 2
    +3
    mailcow: dockerized screenshot 3

    Top mailcow: dockerized Features

    1.  Mail Server
    2.  Self hosted mail
    3. Docker icon  Support for Docker
    4.  ActiveSync
    5.  Dark Mode
    6.  Ad-free
    7.  Two-factor Authentication
    8.  Mail Filtering
    9.  Email Organizer
    10.  Spam Filter
    11.  Support for Aliases
    12.  Modular System
    mailcow: dockerized iconHorde Icon

    mailcow: dockerized VS Horde

    Is mailcow: dockerized a good alternative to Horde?
     
  10. Mailo icon
    Mailo icon

    Mailo

     23 likes
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    The mail service which respects you.

    78 Mailo alternatives
    Mobile

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • OpenPGP
    Mobile
    Mobile
    +3
    Mobile

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  IMAP Support
    2.  PGP Encryption
    3.  POP3 Support
    4.  Cloud Sync
    5.  Calendar Sync
    6.  Ad-free
    7.  End-to-End Encryption
    8.  GPG Encryption
    9.  Calendar Integration
    10.  No Tracking
    11.  Spam Filter
    12.  Mail Filtering
    Mailo iconHorde Icon

    Mailo VS Horde

    Is Mailo a good alternative to Horde?
     
  11. Rainloop icon
    Rainloop icon

    Rainloop

     59 likes
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    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.

    12 Rainloop alternatives
    Login

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Nextcloud
    • JavaScript
    • PHP
    • Cloudron
    Compose
    Change theme

    Rainloop Features

    1.  Ad-free
    2.  Multiple Account support
    3.  IMAP Support
    4.  Dockerized
    5.  Encrypted Email
    Discontinued

    The last update is from August 2022.

    Rainloop iconHorde Icon

    Rainloop VS Horde

    Is Rainloop a good alternative to Horde?
     
  12. Zimbra Collaboration Suite icon
    Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

     35 likes
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    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.

    44 Zimbra Collaboration Suite alternatives
    Zimbra Collaboration Suite screenshot 1

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted

    Zimbra Collaboration Suite Features

    1.  Real time collaboration
    2.  ActiveSync
    3. Microsoft Active Directory icon  Active Directory integration
    Zimbra Collaboration Suite iconHorde Icon

    Zimbra Collaboration Suite VS Horde

    Is this a good alternative to Horde?
     
    Comments about Zimbra Collaboration Suite as an Alternative to Horde
     
    sondrak

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

    Positive comment •Mar 22, 2019
    0
    Horde Icon
    Zimbra Collaboration Suite icon
    • Zimbra Collaboration Suite is Freemium and Open SourceHorde is Free and Open Source
  13. InstAddr icon
    InstAddr icon

    InstAddr

     12 likes
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    Disposable email address application.

    97 InstAddr alternatives
    InstAddr screenshot 1
    InstAddr screenshot 2
    +5
    InstAddr screenshot 3

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Android
    • iPhone
    • iPad

    InstAddr Features

    1.  Support for Aliases
    InstAddr iconHorde Icon

    InstAddr VS Horde

    Is InstAddr a good alternative to Horde?
     
  14. SnappyMail icon
    SnappyMail icon

    SnappyMail

     7 likes
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    The drastically upgraded & secured fork of RainLoop Webmail Community edition.

    12 SnappyMail alternatives
    SnappyMail screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Web Browser

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Support for Themes

    Features

    1.  No Tracking
    2.  Dark Mode
    3.  Extensible by Plugins/Extensions
    4.  Ad-free
    5.  PGP Encryption
    6.  WYSIWYG Support
    7.  Multiple Account support
    8.  GPG Encryption
    9.  Two-factor Authentication
    10.  Mobile friendly
    11.  S/MIME Support
    SnappyMail iconHorde Icon

    SnappyMail VS Horde

    Is SnappyMail a good alternative to Horde?
     
  15. SOGo icon
    SOGo icon

    SOGo

     30 likes
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    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.

    63 SOGo alternatives
    SOGo screenshot 1
    SOGo screenshot 2
    SOGo screenshot 3

    License model

    • Freemium • Open Source

    Application type

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron

    SOGo Features

    1.  Support for Multiple Users
    2.  Scheduling
    3.  CalDAV Support
    4.  CardDAV Support
    SOGo iconHorde Icon

    SOGo VS Horde

    Is SOGo a good alternative to Horde?
     
12 of 42 Horde alternatives