Software Alternatives & Reviews

Zimbra VS Thunderbird

Compare Zimbra VS Thunderbird and see what are their differences

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.

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Zimbra Landing Page
Zimbra Landing Page

Zimbra is the trusted email and collaboration platform and productivity suite that includes contacts, calendar, tasks, chat and file sharing, plus videoconferencing, document editing, and file storage. Built on an open source core, it features a modern interface, pre-integrations with popular third-party apps like Zoom, Slack and Dropbox, and can be deployed in the cloud or in on-prem and hybrid environments. Enterprises, governments, financial institutions, service providers and remote teams around the world rely on Zimbra to support complex privacy, data sovereignty and security requirements. Today, Zimbra powers hundreds of millions of mailboxes on desktop and mobile devices in more than 140 countries, and is offered by more than 500 BSPs and 2,000 channel partners. Also available now for small and medium-sized business is Zimbra Cloud, starting at $2.95 per month for 30 GB of storage. Visit to learn more and begin a free trial.

Thunderbird Landing Page
Thunderbird Landing Page

Zimbra details

Email Email Client SMTP Server

Thunderbird details

Email Email Client Calendar Enterprise Communication

Zimbra videos

Modern Collaboration: Discover why Zimbra is the open source leader in Email and Collaboration

More videos:

  • - Zimbra #01 introduction of Open Source Email Collaboration Solution
  • - Zimbra Review: Why The University of Pennsylvania Likes Zimbra Email?

Thunderbird videos

Thunderbird Review Holiday World Launched Wing Coaster

More videos:

  • - Here's Why the 2002 Ford Thunderbird Was a Retro Failure
  • - MotorWeek | Retro Review: 1989 Ford Thunderbird SC (Update)

Category Popularity

0-100% (relative to Zimbra and Thunderbird)


These are some of the external sources and on-site user reviews we've used to compare Zimbra and Thunderbird

Zimbra Reviews

5 open source webmail clients for browser-based email
Zimbra is a well-maintained project that has been hosted at a number of different corporate entities through the years, and was acquired by Synacore in 2016. It features most of the things you've come to expect in a modern webmail client, from webmail to folders to contact lists to a number of pluggable extensions, and generally works very well. I have to admit that I'm most...
Best Open Source Collaboration & Groupware Software Solutions
Zimbra Collaboration Suite (ZCS) is a collaborative software suite that includes an email server, a web client, calendar, chat, and many other tools. It is a groupware application that has gained a lot of popularity due to the features it provides in an OpenSource way. There are two versions, a Community Edition (Opensource and a Network Edition (Enterprise). The community...
5 Awesome Open Source Groupware Software Suite
Zimbra Collaboration Suite (ZCS) is free and open source collaborative software suite, that includes an email server and web client. Feature includes email, calendar, collaboration server with web interface and lots of integration. Zimbra also provides native two-way sync to many mobile devices such as BlackBerry, Windows Mobile, iPhone, Android and more.

Thunderbird Reviews

10 Alternatives to Thunderbird Reddit – Ease Your Email Life!
FAQs On Thunderbird Alternative Email Thunderbird is so slow, why? As a result, Thunderbird is slower when MSF files, which store emails’ indexes, get corrupted. You can test this by opening Thunderbird in Safe Mode in Windows 10 to see if the problem is with third-party applications. Can Thunderbird email be used on Windows 10? Microsoft Windows 10 and Mozilla Thunderbird...
Best Alternatives to Thunderbird
Mozilla Thunderbird is an open-source email client and is loaded with rich features. But they are not as promising as the need of current digital users. The existing users need more incredible features that would enhance their emailing experience and help them maintain their calendar, tasks, etc. with a less complex interface. In this post, we have mentioned some email...
11 Best Thunderbird Alternatives That Make Email Easier
Nevertheless, Thunderbird is still alive in 2021 without having any updated features just as the bygone mode of tool. If being among the 25 million users of Thunderbird one is chaotic then one must know about the hardiness of Thunderbird.
10 Alternatives to Mozilla Thunderbird
If you need more, eM Client (Windows, Mac) and Airmail (Mac) achieve a reasonable balance between power and usability. They provide a less-cluttered interface than Thunderbird while still retaining most of its power. Users of Microsoft Office should also consider Outlook, an email client with a familiar Microsoft interface and similar features to Thunderbird.
7 Best Free Alternatives To Outlook in 2019
Mozilla Thunderbird is very commonly cited as one of the best alternatives to Microsoft Exchange because of its advanced customization options.

What are some alternatives?

When comparing Zimbra and Thunderbird, you can also consider the following products

iRedMail - A fully fledged, free email server solution, an open source project (GPL v2).

Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Roundcube - Web-based IMAP email client

Mailbird - Mailbird is the best email client for Windows 7, 8 and 10

Microsoft Exchange Server - Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.

User reviews

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