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Instead of Zimbra Collaboration

Zimbra Collaboration alternatives

Apps that do what Zimbra Collaboration does, from the email server software list, the ones you can start free with first.

  1. 1

    Cyrus IMAP

    Free plan LinuxSelf-hosted
    7.3 Free plan Visit site
  2. 2

    Dovecot

    Free plan LinuxSelf-hosted
    7.3 Free plan Visit site
  3. 3

    mailcow

    Free plan AndroidiPhoneLinux+2
    7.3 Free plan Visit site
  4. 4

    MailEnable

    Free plan AndroidiPhoneSelf-hosted+2
    7.3 Free plan · paid from $395 · 60-day trial Visit site
  5. 5

    Mailu

    Free plan APILinuxSelf-hosted+1
    7.3 Free plan Visit site
  6. 6

    Maddy Mail Server

    Free plan LinuxSelf-hosted
    7.1 Free plan Visit site
  7. 7

    poste.io

    Free plan APILinuxSelf-hosted+1
    7.1 Free plan · paid from $349/yr Visit site
  8. 8

    Docker Mailserver

    Free plan LinuxSelf-hosted
    7.0 Open source Visit site
  9. 9

    Mail-in-a-Box

    Free plan APILinuxSelf-hosted+1
    7.0 Open source Visit site
  10. 10

    Modoboa

    Free plan LinuxSelf-hostedWeb
    7.0 Free plan Visit site
  11. 11

    SmarterMail

    Free plan AndroidiPhoneLinux+3
    7.0 Free plan · paid from $500 · 30-day trial Visit site
  12. 12

    Stalwart Mail Server

    Free plan APILinuxMac+3
    7.0 Free plan · paid from $2.40/yr · 30-day trial Visit site
  13. 13

    grommunio

    Free plan AndroidiPhoneLinux+3
    6.8 Free plan · paid from €1.99/user/mo Visit site
  14. 14

    Pegasus Mail

    Free plan Windows
    6.7 Free plan Visit site
  15. 15

    Postfix

    Free plan LinuxMacSelf-hosted
    6.6 Open source Visit site
  16. 16

    KumoMTA

    Free plan Linux
    6.2 Free plan Visit site
  17. 17

    Whitemail

    Free plan AndroidiPhoneWeb
    6.1 Free plan · pricing on request Visit site
  18. 18

    OpenSMTPD

    Free plan LinuxMac
    5.8 Free plan Visit site
  19. 19

    Stalwart Mail Server

    by Stalwart Labs
    Free plan
    5.7 Visit site
  20. 20

    Synology MailPlus Server

    Free plan AndroidiPhoneWeb
    5.7 Free plan Visit site
  21. 21

    Microsoft Exchange Online

    by Microsoft Exchange Online
    Paid AndroidiPhoneMac+2
    5.6 Visit site
  22. 22

    RabiMail

    Paid AndroidiPhoneLinux+3
    4.9 From ₹199/mo · 30-day trial Visit site
  23. 23

    CommuniGate Pro

    Paid LinuxMacWindows
    4.8 Pricing on request Visit site
  24. 24

    EVO Mail Server

    Paid Windows
    4.7 From $259 Visit site

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