Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. Created by Zimbra Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.Other key advantages include advanced compatibility with existing desktop email clients, over-the-air sync to smartphones (iPhone, Android, BlackBerry) as well as better server scalability and more efficient administration. More Info »Zimbra provides open source email and calendar groupware software, Zimbra is a popular choice for Linux and Mac OS X email servers and supports SaaS deployment, appliances and virtualization platforms.
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Zimbra Collaboration Suite
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| # | Image | App Name | Features | Platforms | Price | Website Link |
| 1 |  |
G Suite | Web | Mac Chrome OS Windows Linux |
Commercial | Website |
| 2 |  |
Microsoft Office 365 | Web | Software as a Service (SaaS) | Commercial | Website |
| 3 |  |
Roundcube | Self-Hosted Cloudron PHP |
Free | Website | |
| 4 |  |
mailcow: dockerized | Linux | Free | Website | |
| 5 |  |
Zoho | Web | Commercial | Website | |
| 6 |  |
Horde | Web | Self-Hosted | Free | Website |
| 7 |  |
Kolab Community | Web | Self-Hosted Linux |
Freemium | Website |
| 8 |  |
iRedMail | BSD Self-Hosted Linux |
Freemium | Website | |
| 9 |  |
Kolab Now |
Web DAVdroid |
Software as a Service (SaaS) | Commercial | Website |
| 10 |  |
Kopano |
Web S/MIME |
Mac Windows Android iPhone Microsoft Office Outlook iPad Self-Hosted Linux Windows Phone Android Tablet Software as a Service (SaaS) |
Freemium | Website |