OX App Suite AlternativesOnly apps categorised as Mail Servers

The best Mail Server alternative to OX App Suite 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 OX App Suite and 11 are Mail Servers so hopefully you can find a suitable replacement. Other interesting Mail Server alternatives to OX App Suite are Axigen, Microsoft Exchange, CrossBox and OBM.

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OX App Suite 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 OX App Suite.

OX App Suite

Mail Server
Free • Open Source

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...

More about OX App Suite

OX App Suite alternatives page was last updated Jan 24, 2022

Zimbra Collaboration Suite
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.
43 Zimbra Collaboration Suite alternatives
License model
- Freemium • Open Source
Application types
- Mail Server
- Calendar App
Platforms
- Linux
- Online
- Self-Hosted
Zimbra Collaboration Suite Features
Real time collaboration
ActiveSync
Active Directory integration
Show all NaN Zimbra Collaboration Suite features ▾
Zimbra Collaboration Suite VS OX App Suite
Is this a good alternative to OX App Suite?
- Zimbra Collaboration Suite is the most popular Web-based & Linux alternative to OX App Suite.
- Zimbra Collaboration Suite is Freemium and Open SourceOX App Suite is Free and Open Source

Axigen
Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding options and is localized in over 29 languages (including right-to-left writing mode).
27 Axigen alternatives
License model
- Paid • Proprietary
Application types
- Mail Server
- WebMail Provider
Platforms
- Mac
- Windows
- Linux
- BSD
- Self-Hosted
- Microsoft Office Outlook
- Software as a Service (SaaS)
+1
Top Axigen Features
1. Real time collaboration
2. Shared Folders
3. Customizable
4. Shared Calendar
5. Clustering
6. Customizable branding
7. CalDAV Support
8. Email Archiving
9. Clustering Support
10. Multiple languages
11. Delegated Administration
Show all NaN Axigen features ▾
Axigen VS OX App Suite
Is Axigen a good alternative to OX App Suite?
- Axigen is the most popular Windows, Mac & SaaS alternative to OX App Suite.
- Axigen is the most popular commercial alternative to OX App Suite.
- Axigen is Paid and ProprietaryOX App Suite is Free and Open Source

Microsoft Exchange
Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.
44 Microsoft Exchange alternatives
License model
- Paid • Proprietary
Application type
- Mail Server
Platforms
- Windows
- Online
- Self-Hosted
- Microsoft Office 365
Microsoft Exchange Features
Real time collaboration
Show all NaN Microsoft Exchange features ▾
+1
Microsoft Exchange VS OX App Suite
Is Microsoft Exchange a good alternative to OX App Suite?

CrossBox
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
39 CrossBox alternatives
License model
- Paid • Proprietary
Application types
- Mail Server
- WebMail Provider
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
CrossBox Features
File Hosting
Show all NaN CrossBox features ▾
+9
CrossBox VS OX App Suite
Is CrossBox a good alternative to OX App Suite?
- CrossBox is the most popular Android, iPhone, iPad & Android Tablet alternative to OX App Suite.
- CrossBox is Paid and ProprietaryOX App Suite is Free and Open Source

OBM
OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.
21 OBM alternatives
License model
- Free • Open Source
Application types
- Mail Server
- WebMail Provider
Platforms
- Mac
- Windows
- Linux
OBM Features
Real time collaboration
CalDAV Support
Show all NaN OBM features ▾
Discontinued
The GitHub repository has been archived and the last update was in 2017.

OBM VS OX App Suite
Is OBM a good alternative to OX App Suite?

EGroupware
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.
24 EGroupware alternatives
License model
- Freemium • Open Source
Application types
- Mail Server
- Calendar App
Platforms
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
+6
EGroupware Features
1. Real time collaboration
2. Kanban Board
3. Document Sharing
4. Remote Work
5. Web-Based
6. CalDAV Support
7. RDP
8. WebDAV Support
9. CardDAV Support
10. Calendar Sync
Show all NaN EGroupware features ▾
EGroupware VS OX App Suite
Is EGroupware a good alternative to OX App Suite?

Expanding Communication
Turnkey Solutions for the Enterprise Cloud

Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file sharing, and file transfers.
33 Expanding Communication alternatives
License model
- Paid • Proprietary
Application types
- Mail Server
- Email Client
Platforms
- Linux
Expanding Communication Features
1. Cloud Sync
2. Contacts
3. CalDAV Support
4. Cloud based
5. Video Conferencing
6. CardDAV Support
Show all NaN Expanding Communication features ▾
Expanding Communication VS OX App Suite
Is this a good alternative to OX App Suite?

iMail
Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited mail accounts, storage, attachment size, custom logo. Free for commercial use.
43 iMail alternatives
License model
- Paid • Proprietary
Application types
- Mail Server
- WebMail Provider
Platforms
- Windows
- Self-Hosted
iMail VS OX App Suite
Is iMail a good alternative to OX App Suite?

Sanwhole Exchange
Sanwhole Exchange is a server running iMail, iPress and iStore services. iMail is an enterprise-class email server does Microsoft Exchange and Gmail work. iPress sets blog, forums and tickets in one. iStore is an online store.
43 Sanwhole Exchange alternatives
License model
- Paid • Proprietary
Application type
- Mail Server
Platforms
- Windows
Sanwhole Exchange VS OX App Suite
Is Sanwhole Exchange a good alternative to OX App Suite?

Netrepid Hosted Exchange Services
Hosted Exchange solutions from Netrepid - the best hosted exchange provider. Accelerate your technology at on demand speed.
19 Netrepid Hosted Exchange Services alternatives
License model
- Paid • Proprietary
Application types
- Mail Server
- WebMail Provider
Platforms
- Online
Netrepid Hosted Exchange Services VS OX App Suite
Is this a good alternative to OX App Suite?

DeskNow
DeskNow is a fully featured and easy to use mail and collaboration server with build-in antivirus and antispam. SyncML for mobile devices is separately licensed.
7 DeskNow alternatives
License model
- Paid • Proprietary
Application type
- Mail Server
Platforms
- Windows
- Linux
DeskNow Features
Real time collaboration
Show all NaN DeskNow features ▾
DeskNow VS OX App Suite
Is DeskNow a good alternative to OX App Suite?