Alternatives to Horde for Windows with any license


Show 19 less popular platforms
  • Mailpile icon


    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...

    Free Open Source Mac OS X Windows Linux Web Self-Hosted ... OpenPGP

  • nvlope icon


    Simple and minimal email with custom domain and own API.

    Commercial Mac OS X Windows Linux

    No features added Add a feature
    • Discontinued Website down, twitter deleted.
  • atmail icon


    Atmail allows you to choose between on-premises or cloud deployment. Features include email, contact, calendar, task, storage, synchronisation and provisioning. ...

    Commercial Mac OS X Windows Linux Android iPhone ... Android Tablet iPad

  • 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 Firefox. Usage: Configure one or...

    Free Mac OS X Windows Linux Firefox

    No features added Add a feature
  • AfterLogic Aurora icon

    AfterLogic Aurora

    Afterlogic Aurora is an enterprise collaboration system for small and medium-sized business. Aurora provides collaboration of webmail, contacts, calendar, files and...

    Commercial $ $ $ Open Source Windows Web Android iPhone Self-Hosted

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