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Feature Comparison

Compare IceWarp with our Competitors

E-mail, Calendaring & Integration

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Max. Number of Domains Unlimited Unlimited 900
Max. Number of Users Unlimited Unlimited 300
Active Directory Support (with SSO)
Archiving
Contacts, Shared and Public (GAL)
Calendars & Resource Management 3rd party
Tasks & Notes Tasks only Tasks only 3rd party
API Integration with External Systems
FTP Access 3rd party
White Label (for ISPs and enterprise customers)

The fact that our clients can use IceWarp on Linux CentOS liberates us from the need to pay for Microsoft Client Access Licenses (CALs).

Lim Seow Keang, CEO of MyTech

TeamChat

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Public & Private Channels Unlimited Public only
Free Guest Access
API Integration with Web Applications
Real-time Active Directory Sync
Video & Voice Calls (one-on-one) 3rd party 3rd party
Conferencing 3rd party 3rd party
Screen Sharing 3rd party 3rd party
Private Instant Messaging 3rd party

Storage

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Online Document Editing (Word, Excel, PowerPoint ..) Sharepoint online 3rd party
Opening, Editing & Saving in MS Office (Desktop)
Document Versioning SharePoint Online SharePoint Online 3rd party
Access Control Lists
WebDAV/SMB Protocols WebDav Online WebDav Online WebDav Online WebDav Online 3rd party
External Access to Files via URL Sharing SharePoint Online
Group Sharing

The ability to support various mobile devices, regardless of their operating system, was one of the winning factors.

Joiey Nizar, Sales Director at VizOne

Apps & Mobile Access

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
IceWarp Desktop Office (Desktop Client, Documents, Spreadsheets and Presentations)
Desktop Documents Editing
Desktop Spreadsheets Editing
Desktop Presentations Editing
FileSync client for Windows OneDrive OX drive OneDrive Google Drive 3rd party
FileSync client for Mac OneDrive OX drive OneDrive Google Drive 3rd party
FileSync client for Linux
Mobile Messenger App for iOS Skype Hangouts
Windows Outlook Compatibility
MacOS Compatibility
Exchange ActiveSync support for mobile devices 3rd party
Remote Configuration App for Windows

The support is something that really sets IceWarp apart from all others. We did this project on a very tight schedule and were successful.

Valerie Schafer, IT Director at Z-AXIS

Security

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Spam Filtering
Integrated Antivirus

Support

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Online Help
Office Hours Support phone
24/7 Phone Support

IceWarp Cloud: 14 Day Free Trial

Try it free Request a Quote
Your data will be stored in
Czech Republic, Prague (TTC Teleport)
United States, Reston VA (CoreSite)
Germany, Nürnberg (Hetzner Online)
Italy, Milan (Caldera)

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Netherlands
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New Caledonia
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Nicaragua
Niger
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Northern Mariana Islands
Norway
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Pakistan
Palau
Palestinian territories
Panama
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Paraguay
Peru
Philippines
Pitcairn
Poland
Portugal
Puerto Rico
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Reunion
Romania
Russian Federation
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Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent & the Grenadines
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
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Seychelles
Sierra Leone
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Slovenia
Solomon Islands
Somalia
South Africa
South Georgia and the South Sandwich Islands
Spain
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Sudan
Suriname
Svalbard & Jan Mayen Islands
Swaziland
Sweden
Switzerland
Syrian
Taiwan
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Tanzania
Thailand
Timor-Leste
Togo
Tokelau
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States
US Minor Outlying Islands
Uruguay
Uzbekistan
Vanuatu
Venezuela
Viet Nam
Virgin Islands, British
Virgin Islands (U.S.)
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe
Montenegro

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