Software Alternatives, Accelerators & Startups

Squirrelmail

SquirrelMail is a standards-based webmail package written in PHP.

Some of the top features or benefits of Squirrelmail are: Lightweight, Compatibility, Security, Simplistic Interface, and Open Source. You can visit the info page to learn more.

Squirrelmail

Squirrelmail Alternatives & Competitors

The best Squirrelmail alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. EU Alternatives. Latest update:

  1. 31

    Web-based IMAP email client.

    Key Roundcube features:

    Open Source User-Friendly Interface Extensibility Security

    Open Source

    /roundcube-alternatives
  2. 24

    RainLoop is a web based email client.

    Key Rainloop features:

    User-Friendly Interface Lightweight No Database Required Support for Multiple Email Providers

    Open Source

    /rainloop-alternatives
  3. The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder. .

    Key MailReach.co features:

    Deliverability Improving Email Warming Meaningful Warming Content Smart Warming Algorithm

    Visit website paid $19.5 / Monthly (Pro)

    Visit website
  4. 23

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

    Key Mailpile features:

    Privacy Focus Open Source User Control Feature-Rich

    Open Source

    /mailpile-alternatives
  5. 18

    Horde Groupware is a free, enterprise ready, browser based collaboration suite.

    Key Horde features:

    Open Source Wide Range of Features Web-Based Interface Active Community Support

    /horde-alternatives
  6. 14

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

    Key SOGo features:

    Open Source Multi-Platform Support Integration Web Interface

    Open Source

    /sogo-alternatives
  7. Starting with version 0.9.8, mu provides an emacs-based e-mail client which uses mu as its back-end: mu4e.

    Key Mu4e features:

    Speed Integration with Emacs Lightweight Customization

    /mu4e-alternatives
  8. Webmail is an open-source webmail script for existing IMAP servers.

    Key Afterlogic Webmail features:

    User Interface Customization Security Features Integration

    /afterlogic-webmail-alternatives
  9. 10

    All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.

    Key Cypht features:

    Unified Interface Lightweight Open Source Flexible Configuration

    Open Source

    /cypht-alternatives
  10. 13

    Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server applicatio...

    Key AfterLogic Webmail Lite features:

    Cost-effective Source Code Access User-Friendly Interface Lightweight

    /afterlogic-webmail-lite-alternatives
  11. Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

    Key Mail-in-a-box features:

    Ease of Setup Full Control Cost-effective Open Source

    Open Source

    /mail-in-a-box-alternatives
  12. Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

    Key Gmail features:

    Generous Storage Integration with Google Services Powerful Search Functionality Spam and Virus Protection

    /gmail-alternatives
  13. Simple and easy-to use PHP e-mail client.

    /postaci-alternatives
  14. Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

    Key Zimbra features:

    Open Source Cost-Effective Scalability Feature-Rich

    /zimbra-alternatives
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