Alternatives · Email

IceWarp alternatives

As of Nov 13, 2026, the highest-graded IceWarp alternative is Axigen (2.2 GPA). It's also the best free one.

IceWarp compared with 9 alternatives: Axigen, SmarterMail, Zimbra, Open-Xchange, MDaemon and 4 more.

IceWarp is a paid product with a free trial, starting at $1.50 per user / month, billed monthly ($1.35 billed annually). 3 of the 9 alternatives are free or have a free plan. 3 more offer a free trial.

Listings checked up to Nov 13, 2026 · Where the facts come from

Black Friday: is there a IceWarp sale?

At a glance

Tool	Price	Free plan	Runs on
IceWarpThis tool	Free trial · from $1.50/mo	Trial only	Web, macOS, Windows, iOS, Android
Axigen	Free plan	Yes	Web, Windows, Linux
SmarterMail	Free plan · from $550	Yes	Web, Windows, Linux
Zimbra	Paid	No	Web, macOS, Windows, Linux, iOS, Android
Open-Xchange	Paid	No	Web
MDaemon	Free trial	Trial only	Web, macOS, Windows
BlueMind	Paid	No	Web
GFI KerioConnect	Free trial	Trial only	macOS, Windows, Linux
hMailServer	Free	Free	Windows
Kopano	Free trial	Trial only	Web

How each one differs from IceWarp

Axigen
Mail server with calendars and webmail for Windows and Linux
- Axigen has a free plan, which IceWarp lacks.
- Axigen also lists a Linux app.
- Axigen lists no macOS, iOS and Android apps, which IceWarp has.
- Axigen is self-hostable, according to its own site.
- Axigen does not cover team chat, video calls and file sharing, which IceWarp does.
Suits: Small teams that fit within 10 free users
Axigen vs IceWarp Axigen pricing and details
SmarterMail
Business mail server for Windows and Linux with webmail
- SmarterMail starts at $550 for Professional with 50 mailboxes; license term not stated.
- SmarterMail has a free plan, which IceWarp lacks.
- SmarterMail also lists a Linux app.
- SmarterMail lists no macOS, iOS and Android apps, which IceWarp has.
- SmarterMail is self-hostable, according to its own site.
Suits: SMBs and ISPs replacing Exchange with a cheaper server
SmarterMail vs IceWarp SmarterMail pricing and details
Zimbra
Self-hosted email, calendar and file sharing for organizations
- Zimbra also lists a Linux app.
- Zimbra is open source and self-hostable, according to its own site.
- Zimbra also covers tasks.
- Zimbra does not cover team chat, video calls and file sharing, which IceWarp does.
Suits: Companies and schools that need to keep email on servers they control
Zimbra vs IceWarp Zimbra pricing and details
Open-Xchange
OX App Suite email platform sold to providers and governments
- Open-Xchange lists no Windows, macOS, iOS and Android apps, which IceWarp has.
- Open-Xchange is open source and self-hostable, according to its own site.
- Open-Xchange does not cover team chat, video calls and file sharing, which IceWarp does.
Suits: Telcos, ISPs and hosting companies offering branded email to customers
Open-Xchange vs IceWarp Open-Xchange pricing and details
MDaemon
Email server for Windows with webmail and Outlook connector
- MDaemon lists no iOS and Android apps, which IceWarp has.
- MDaemon is self-hostable, according to its own site.
- MDaemon does not cover team chat, video calls and file sharing, which IceWarp does.
Suits: Windows-based IT teams replacing a legacy mail server
MDaemon vs IceWarp MDaemon pricing and details
BlueMind
Open-source collaborative email and calendar with Outlook support
- BlueMind lists no Windows, macOS, iOS and Android apps, which IceWarp has.
- BlueMind is open source, according to its own site.
- BlueMind also covers shared inbox.
- BlueMind does not cover team chat, video calls and file sharing, which IceWarp does.
Suits: Public-sector bodies and universities that want French or EU-hosted mail
BlueMind vs IceWarp BlueMind pricing and details
GFI KerioConnect
Self-hosted business mail server with calendar, chat and local AI
- GFI KerioConnect also lists a Linux app.
- GFI KerioConnect lists no web app and iOS and Android apps, which IceWarp has.
- GFI KerioConnect is self-hostable, according to its own site.
- GFI KerioConnect also covers shared inbox.
- GFI KerioConnect does not cover team chat, video calls and file sharing, which IceWarp does.
Suits: Organizations that want to run their own mail server
GFI KerioConnect vs IceWarp GFI KerioConnect pricing and details
hMailServer
Free open-source mail server that runs on Windows
- hMailServer is free.
- hMailServer has a free plan, which IceWarp lacks.
- hMailServer lists no web app and macOS, iOS and Android apps, which IceWarp has.
- hMailServer is open source and self-hostable, according to its own site.
- hMailServer also covers workflow automation.
Suits: Administrators who want a free mail server on Windows
hMailServer vs IceWarp hMailServer pricing and details
Kopano
Container-based business email and calendar for hosting providers
- Kopano lists no Windows, macOS, iOS and Android apps, which IceWarp has.
- Kopano is self-hostable, according to its own site.
- Kopano also covers tasks.
- Kopano does not cover team chat, video calls and file sharing, which IceWarp does.
Suits: Hosting providers reselling mail under their own brand
Kopano vs IceWarp Kopano pricing and details

Limits worth knowing in IceWarp

Self-hosted licenses are priced per user per year; those amounts were not readable, so only cloud prices are listed.
Booking and webinar mode require the Business tier.
The pricing page offers the free trial and sales contact, not a self-serve card checkout.

IceWarp pricing and details

Common questions

What are the alternatives to IceWarp?

The alternatives to IceWarp in this directory are Axigen, SmarterMail, Zimbra, Open-Xchange, MDaemon, BlueMind, GFI KerioConnect, hMailServer and Kopano. Each one has a side-by-side comparison with IceWarp.

Is there a free alternative to IceWarp?

Yes. hMailServer is free to use. Axigen and SmarterMail have a free plan alongside paid ones.

Which IceWarp alternatives work on Linux?

The IceWarp listing does not include a Linux app. Axigen, SmarterMail, Zimbra and GFI KerioConnect list one.

Is there an open-source alternative to IceWarp?

Zimbra, Open-Xchange, BlueMind and hMailServer are described as open source on their own sites.

When were these prices checked?

Each listing shows its own date. On this page they run from Nov 12, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.

How this page was made

Where any alternative here is in our top three email apps, the best for most people is the highest placed of them: the top three weigh who each tool suits as well as its grades. Otherwise the page names the highest-graded alternative in the same category as IceWarp, the one its listing names first winning a tie. The best free one is the highest-graded alternative that is free or has a free plan (a free trial does not count), with its catch quoted from its listing where the listing states a short one. The GPA is the average of our five grades for each tool.
The alternatives are the tools IceWarp’s listing names as its closest substitutes, and the tools whose listings name IceWarp.
Prices, plans and platforms come from each tool’s listing, which names the pages they were read from.
The differences are worked out from those listings.

Read the method All email apps

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