OpenChange
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and...
OpenChange Alternatives [Page 2]
The best OpenChange alternatives based on verified products, community votes, reviews and other factors.
Latest update:
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Network Solutions - Original domain name registration and reservation services with variety of internet-related business offerings. Quick, dependable and reliable.
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Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.
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Warm up your cold email inbox, and never land in spam anymore!
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Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.
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Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.
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With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
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OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.
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An open source mailserver suite.
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Is a collaboration suite (messaging and groupware).
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On-demand technical interview coaching by engineers
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Webmail is an open-source webmail script for existing IMAP servers.
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Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
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Full featured email server built in docker with free plan.
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Fast, safe, heavy mail solution.