OpenChange
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and...
Some of the top features or benefits of OpenChange are: Open Source, Interoperability, and Community Support. You can visit the info page to learn more.
OpenChange Alternatives & Competitors
The best OpenChange alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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/zimbra-alternativesZimbra 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
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/microsoft-exchange-server-alternativesMicrosoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
Key Microsoft Exchange Server features:
Integration Security Scalability Mobility
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Visit websiteThe #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder. .
Key MailReach.co features:
Deliverability Improving Email Warming Meaningful Warming Content Smart Warming Algorithm
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/kolab-community-alternativesKolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.
Key Kolab Community features:
Open Source Software Comprehensive Groupware Flexible Deployment Strong Privacy Features
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/iredmail-alternativesA fully fledged, free email server solution, an open source project (GPL v2).
Key iRedMail features:
Open Source Comprehensive Features Easy Installation Excellent Documentation
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/axigen-alternativesAxigen 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
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/hmail-server-alternativeshMailServer 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
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/roundcube-alternativesWeb-based IMAP email client.
Key Roundcube features:
Open Source User-Friendly Interface Extensibility Security
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/sogo-alternativesSOGo is groupware server with a focus on scalability and open standards.
Key SOGo features:
Open Source Multi-Platform Support Integration Web Interface
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/expanding-communication-alternativesTurnkey Solutions for the Enterprise Cloud.
Key Expanding Communication features:
Improved Connectivity Increased Engagement Enhanced Information Sharing
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/google-workspace-alternativesGoogle's encompassing suite of cloud-based business apps.
Key Google Workspace features:
Integrations Collaboration Cloud Storage Security
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/grommunio-alternativesgrommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.
Key grommunio features:
Open Source Cost Effective Comprehensive Features Compatibility
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/nextcloud-hub-alternativesOn-premises, enterprise collaboration solution for documents, emails, calendars and more.
Key Nextcloud Hub features:
Open Source Data Privacy Collaboration Features Scalability
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/crossbox-alternativesDesigned for those who settle only for the best — CrossBox is beautiful, dazzlingly fast, and comes with advanced features that provide you and your team with cutting-edge communication technologies.
Key CrossBox features:
Email Chat Files Contacts
OpenChange discussion
