IceWarp Alternatives & Competitors

Google's encompassing suite of cloud-based business apps.

Key Google Workspace features:

Integrations Collaboration Cloud Storage Security

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

Key Zimbra features:

Open Source Cost-Effective Scalability Feature-Rich

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s affordable, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Key VoIPstudio features:

Call Recording Call Forward Call Analytics and Reporting Call Conferencing

Try for free paid Free Trial $4.99 / Monthly (User)

Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs. .

Key Zoho Mail features:

Easy to Set-up and use Free Trial Forever Free Plan Available Clean UI

freemium $1.0 / Monthly (per user)

KerioConnect is a commercial mail and groupware server.

Key Kerio Connect features:

Cross-Platform Support Ease of Setup Integrated Security Features Mobile Device Support

Secure Email Gateway.

Key Microsoft Exchange features:

High Integration Robust Security Features Scalability Advanced Collaboration Tools

Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.

Key Axigen features:

Integration Capabilities Security Features Cross-Platform Support User-Friendly Interface

Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

Key Microsoft Exchange Server features:

Integration Security Scalability Mobility

Secure email with absolutely no compromises. Get your free encrypted email account today.

Key ProtonMail features:

End-to-End Encryption Zero Access to User Data Swiss Privacy Laws Open Source

freemium €5.0 / Monthly (user - 5 GB)

hMailServer is a free e-mail server for Microsoft Windows.

Key hMail Server features:

Free and Open Source Cross-Platform Compatibility Wide Protocol Support Built-in Anti-Spam and Anti-Virus

SmarterMail is a next generation email management server that is offering several business collaboration and communication features as well.

Key SmarterMail features:

Cost-Effective Feature-Rich Cross-Platform Support Scalability

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Key Microsoft Outlook features:

Integration with Microsoft Ecosystem Calendar and Task Management Strong Security Features Customizable Interface

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.

Key OX Open-Xchange features:

Open Source Integrated Suite Scalability Flexibility

Save time and scale faster with accessible, secure, and reliable cloud email services. A proven multitenant email solution for telcos and service providers.

Key Atmail features:

User-Friendly Interface Customizable Scalability Integration Capabilities

freemium $1.3 / Monthly (Per mailbox)