Software Alternatives & Reviews

Greatmail

Greatmail is an email hosting service provider built for businesses of all sizes.

Top 8 Open-Source Alternatives to Greatmail

Mailpile Cypht Rainloop Roundcube SOGo mailcow iRedMail Thexyz

Summary

The top open-source alternatives to Greatmail are Mailpile, Cypht, and Rainloop. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
    Pricing:
    • Open Source

    #Email #Email Clients #Email Management

  2. 2
    All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.
    Pricing:
    • Open Source

    #Email #Email Clients #Email Management 4 social mentions

  3. RainLoop is a web based email client.
    Pricing:
    • Open Source

    #Email #Email Clients #Email Management

  4. Web-based IMAP email client
    Pricing:
    • Open Source

    #Email #SMTP Server #Email Clients 16 social mentions

  5. 5
    SOGo is groupware server with a focus on scalability and open standards.
    Pricing:
    • Open Source

    #Email #Email Clients #Self-hosted Email 1 social mentions

  6. An open source mailserver suite.
    Pricing:
    • Open Source

    #Email #Self-hosted Email #Email Service Provider 82 social mentions

  7. A fully fledged, free email server solution, an open source project (GPL v2).
    Pricing:
    • Open Source

    #Email #SMTP Server #Self-hosted Email 2 social mentions

  8. 8
    Secure premium email service with mobile sync apps for calendar, contacts, tasks, notes and FISMA compliant email archiving.
    Pricing:
    • Open Source
    • Paid
    • $2.95 / Monthly (25GB)

    #Email #Email Security #Email Archiving 1 social mentions

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