Kerio Connect vs Zimbra


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Kerio Connect
Kerio Connect is a commercial mail and groupware server developed by Kerio Technologies. It runs on Windows, Linux, and Mac OS X. Its features include encrypted access using SSL, anti-virus and anti-spam protection, native over-the-air handheld synchronization, webmail interface, connector for Microsoft Outlook and groupware features.
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Zimbra
Zimbra Collaboration Server is an email and calendar server plus much more; think about it like a next-generation Microsoft Exchange server. In addition to email and calendar, it provides file sharing, tasks, contacts, social media, document management and simplified administrative controls all in an award winning webmail user interface built with the latest AJAX web technology. ZCS also provides mobility and syncs to desktop client applications; the server is deployed on commodity Linux and Mac server hardware.
Comparing Kerio Connect vs Zimbra is like comparing apples to oranges. Because your business is unique and nobody except you can decide, which is better for your company. But we can add some fun to your research and suggest some new comparison parameters.

Ok, now let's compare the UI. Looks like Zimbra has more user-friendly interface than Kerio Connect because it's bigger. At least on our screenshots


To compare the popularity of the solutions we counted how many alternatives people search for each of them on the Internet. And it turns out that Zimbra is more popular than Kerio Connect

Now let's look at the recent activities of our competitors:

- Synacor acquired Zimbra (in 2015)
- VMware buying Zimbra from Yahoo (in 2010)
- Yahoo released Zimbra Desktop 1.0 (in 2009)
- Zimbra Heads To The Cloud For Academic Institutions (in 2008)
- Yahoo Updates Calendar: Leverages Zimbra Technology (in 2008)
- Yahoo Gives IMAP Access to All Users Through Zimbra Desktop (in 2008)
- New Zimbra Version Utilizes iPhone’s Active Sync (in 2008)
- Zimbra Web e-mail goes mobile (in 2008)
- Now Yahoo's, Zimbra takes mail and documents offline (in 2008)
- MicroHoo: Welcome to Open Source, Microsoft (in 2008)

Looks like Zimbra was recently more active than Kerio Connect (at least in our news). We also found some news, in which Kerio Connect and Zimbra meet head to head:

2010 - VMware buying Zimbra from Yahoo to win over Kerio Connect

VMware Zimbra
What this deal means? For Yahoo - it's the end of the Enterprise game. The company will focuse on its consumer portal and will not interfere with its new strategical partner - Microsoft (because Zimbra - is MS Exchange competitor). For VMWare - this is another huge step to the elite of Cloud Computing market. WMWare is the largest developer of virtualization systems, that are used in public and private cloud platforms. In addition, the company has recently bought Springsource to create its own web platform - an alternative to Google App Engine. The most popular open-source collaboration suite Zimbra will let VMWare to enter the Web-applications market. There’s no word on the sale price yet, but it's probably lower than the $350 million paid by Yahoo in 2006.