Open-Xchange alternatives

How each one differs from Open-Xchange

1. 

   Zimbra

   Self-hosted email, calendar and file sharing for organizations

   • Zimbra also lists Windows, macOS, Linux, iOS and Android apps.
   • Zimbra also covers tasks.

   Suits: Companies and schools that need to keep email on servers they control

   Zimbra vs Open-XchangeZimbra pricing and details
2. 

   Kopano

   Container-based business email and calendar for hosting providers

   • Kopano also covers tasks.

   Suits: Hosting providers reselling mail under their own brand

   Kopano vs Open-XchangeKopano pricing and details
3. 

   SOGo

   Open-source groupware with webmail, calendars and contacts

   • SOGo is free.
   • SOGo has a free plan, which Open-Xchange lacks.

   Suits: Organizations replacing Exchange with a self-hosted groupware server

   SOGo vs Open-XchangeSOGo pricing and details
4. 

   BlueMind

   Open-source collaborative email and calendar with Outlook support

   • BlueMind also covers shared inbox.

   Suits: Public-sector bodies and universities that want French or EU-hosted mail

   BlueMind vs Open-XchangeBlueMind pricing and details
5. 

   IceWarp

   Business email, chat, files and meetings, cloud or self-hosted

   • IceWarp starts at $1.50 per user / month, billed monthly ($1.35 billed annually).
   • IceWarp also lists Windows, macOS, iOS and Android apps.
   • IceWarp also covers team chat, video calls and file sharing.

   Suits: Small teams wanting email plus chat and meetings in one suite

   IceWarp vs Open-XchangeIceWarp pricing and details
6. 

   Afterlogic WebMail

   Webmail front end for an existing IMAP mail server

   • Afterlogic WebMail starts at $49 one-time for 5 users, first year of support included.
   • Afterlogic WebMail has a free plan, which Open-Xchange lacks.

   Suits: Hosting providers adding a webmail to an existing mail server

   Afterlogic WebMail vs Open-XchangeAfterlogic WebMail pricing and details

Limits worth knowing in Open-Xchange