Emails
Simple, easy and secure mail server with a convenient and simple interface.
17 Alternatives To Emails
AWS IoT
Easily and securely connect devices to the cloud.
Archiveopteryx
Archiveopteryx stores email in a database and provides access to it through IMAP and more.
Asana
Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done. With Asana, remote teams can organize projects, manage shifting priorities, and get work done.
Citadel
Is a collaboration suite (messaging and groupware).
Cyrus IMAP
The Cyrus IMAP server differs from other IMAP server implementations in that it is generally…
Dovecot
Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with…
Kopano
Sharing & communication software for business
Mail-in-a-box
Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
MailEnable
MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.
Microsoft Exchange Server
Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
Microsoft Teams
Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
Roundcube
Web-based IMAP email client
Zimbra Collaboration Suite
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.
eGroupWare
EGroupware is free open source groupware software intended for businesses from small to enterprises.
iMail
Fast, safe, heavy mail solution.
iRedMail
A fully fledged, free email server solution, an open source project (GPL v2).