OBM AlternativesOnly apps categorised as Mail Servers
The best Mail Server alternative to OBM is Zimbra Collaboration Suite, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to OBM and 16 are Mail Servers so hopefully you can find a suitable replacement. Other interesting Mail Server alternatives to OBM are Microsoft Exchange, Kolab Now, OX App Suite and iRedMail.
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OBM alternatives are mainly Mail Servers but may also be WebMail Providers or Calendar Apps. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of OBM.- Mail Server
- Free • Open Source
- 43 Zimbra Collaboration Suite alternatives
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
License model
- Freemium • Open Source
Application types
Platforms
- Linux
- Online
- Self-Hosted
Zimbra Collaboration Suite Features
- Real time collaboration
- ActiveSync
- Active Directory integration
Zimbra Collaboration Suite VS OBM
Is this a good alternative to OBM? - 44 Microsoft Exchange alternatives
Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.
License model
- Paid • Proprietary
Application type
Platforms
- Windows
- Online
- Self-Hosted
- Microsoft Office 365
Microsoft Exchange Features
- Real time collaboration
Microsoft Exchange VS OBM
Is Microsoft Exchange a good alternative to OBM? - 77 Kolab Now alternatives
Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.
License model
- Paid • Open Source
Application types
Platforms
- Online
- Software as a Service (SaaS)
- DAVdroid
Kolab Now Features
- Support for Aliases
- Real time collaboration
- Privacy focused
- End-to-End Encryption
- CalDAV Support
- WebDAV Sync
- CardDAV Support
Kolab Now VS OBM
Is Kolab Now a good alternative to OBM? - 19 OX App Suite alternatives
The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.
License model
- Free • Open Source
Application types
Platforms
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
OX App Suite Features
- Real time collaboration
- Cloud Sync
- Calendar Integration
- Personal Information Manager (PIM)
- Group Mail
- German
- WebDAV Support
- WebDAV Sync
OX App Suite VS OBM
Is OX App Suite a good alternative to OBM? - 67 iRedMail alternatives
A fully fledged, free email server solution, an open source project (GPL v2).
Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support.
Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.
Works on both no.
iRedMail VS OBM
Is iRedMail a good alternative to OBM? - 29 OpenChange alternatives
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
License model
- Free • Open Source
Application type
Platforms
- Linux
OpenChange Features
- Exchange
DiscontinuedLast release is from 2015
OpenChange VS OBM
Is OpenChange a good alternative to OBM? - 39 CrossBox alternatives
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
License model
- Paid • Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
CrossBox Features
- File Hosting
CrossBox VS OBM
Is CrossBox a good alternative to OBM? - 41 IceWarp alternatives
IceWarp integrates all communication & collaboration features in one unified solution. Available in cloud or for on-premises deployment, IceWarp is a great tool to share and exchange all information and ideas online, offline or via mobile devices.
License model
- Paid • Proprietary
Application types
Platforms
- Windows
- Linux
- Online
Top IceWarp Features
- Team discussion
- Secure File Sharing
- Real time collaboration
- Unlimited team members
- Outlook integration
- Compatible with Microsoft Office
- Cloud based
- Document Sharing
- Voice Chat
- Video Conferencing
- Integrated File Sharing
- Shared Calendar
IceWarp VS OBM
Is IceWarp a good alternative to OBM? - 10 Blue-Mind alternatives
Blue Mind is a complete solution of company messaging, calendars and collaborative work. It aims to enable you to work daily with comprehensive, useful, efficient and effective tools.
License model
- Paid • Open Source
Application types
Platforms
- Linux
Blue-Mind Features
- ActiveSync
- Calendar Sync
- Reduce mobile data usage
- REST API
Blue-Mind VS OBM
Is Blue-Mind a good alternative to OBM? - 24 EGroupware alternatives
Online Collaboration with Chat and Online Office. Is developed as open source software in Germany, offered as free community version and as commercial version. Operation as self-hosted or as SaaS from the computer centre.
License model
- Freemium • Open Source
Application types
Platforms
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
EGroupware Features
- Real time collaboration
- Kanban Board
- Document Sharing
- Remote Work
- Web-Based
- CalDAV Support
- RDP
- WebDAV Support
- CardDAV Support
- Calendar Sync
EGroupware VS OBM
Is EGroupware a good alternative to OBM? - 16 Kerio Connect alternatives
Kerio Connect makes email, calendars, contacts and task management easy and affordable. With Kerio Connect, you have immediate, secure access to your communications anytime, anywhere, on any device - without complexity or expensive overhead.
License model
- Paid • Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Online
Kerio Connect Features
- Xmpp
- Sync Contacts
- POP3 Support
- Calendar Sync
Kerio Connect VS OBM
Is Kerio Connect a good alternative to OBM? - 15 Zarafa alternatives
Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and stable Outlook sharing (100% MAPI).
License model
- Paid • Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Online
Zarafa Features
- Real time collaboration
Discontinued"Last year we released the announcement that Zarafa customers could transition to Kopano. We also announced that Zarafa would not be maintained beyond May 1st, 2017. Most ZCP customers have moved to a Kopano subscription now."
Zarafa VS OBM
Is Zarafa a good alternative to OBM?