Kopano
Sharing & communication software for business
16 Alternatives To Kopano
Airtable
Airtable works like a spreadsheet but gives you the power of a database to organise anything.
Airtable can store information in a spreadsheet that’s visually appealing and easy-to-use, but it’s also powerful enough to act as a database that businesses can use for customer-relationship management (CRM), task management, project planning, and tracking inventory.
Creativity 365
Cross-device content creation suite
G Suite
Google’s encompassing suite of cloud-based business apps.
Kolab Community
Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.
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.
OpenChange
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and…
Roundcube
Web-based IMAP email client
SOGo
SOGo is groupware server with a focus on scalability and open standards.
Slack
A messaging app for teams who see through the Earth!
Zentyal
Linux directory, domain, mail, gateway and infrastructure server for SMBs.
Zimbra
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.
Zimbra Collaboration Suite
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.
Zoho One
Zoho is an all-in-one online office suite.
eGroupWare
EGroupware is free open source groupware software intended for businesses from small to enterprises.
iRedMail
A fully fledged, free email server solution, an open source project (GPL v2).