Software Alternatives & Reviews

Zimbra VS Slack

Compare Zimbra VS Slack and see what are their differences

Zimbra logo 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.

Slack logo Slack

A messaging app for teams who see through the Earth!
  • Zimbra Landing page
    Landing page //
    2023-05-06

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 www.zimbra.com to learn more and begin a free trial.

  • Slack Landing page
    Landing page //
    2023-07-18

Zimbra videos

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

More videos:

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

Slack videos

Review: How & Why We Use Slack At Our Office

More videos:

  • Review - What is Slack?
  • Tutorial - Slack App Tutorial: How & Why We Use SLACK For Our Remote Team

Category Popularity

0-100% (relative to Zimbra and Slack)
Email
100 100%
0% 0
Communication
0 0%
100% 100
SMTP Server
100 100%
0% 0
Project Management
0 0%
100% 100

User comments

Share your experience with using Zimbra and Slack. For example, how are they different and which one is better?
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Reviews

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

Zimbra Reviews

Alternative to Zimbra - atmail versus Zimbra - email for telcos
If you’re tired of Zimbra email, talk to us instead. We have more than 20 years of global email expertise and power 170 million mailboxes worldwide. We can be trusted to keep your platform secure, stable, scalable and private. Our modern, white label, multitenant and monetisable solutions are available both on-premises and in the cloud. We also won’t make you go through a...
Source: www.atmail.com
Overview of 5 Best Microsoft Exchange Server Alternatives
If you are an enterprise-level company that is looking for a solution based on open-source technologies, then Zimbra might be what you are looking for. As per the team behind Zimbra, this collaboration platform encompasses multiple open source projects under one supported and certified open-source collaboration application tailored to satisfy the needs of enterprises.
Source: jatheon.com
15 Best iRedMail Alternatives 2021
Zimbra has a calendar feature like iRedMail with a simple web and mobile UI that lets you manage your calendars and address books. Similarly, it also supports POP, IMAP, CardDAV, and CalDAV protocols.
Top 10 Webmail Clients in 2021
Zimbra Zimbra also works in web browsers. But it isn’t like PHP web clients as it uses the AJAX set of web technologies instead. It offers email and calendar functionality and you can view messages and conversation formats. Its approach to visual search is particularly effective in making short work of managing the largest inboxes. Zimbra is one of the open-source webmail...
Source: www.plesk.com
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...
Source: opensource.com

Slack Reviews

  1. Best app for getting in touch with my colleagues

    Slack is best platform to be used for professional purposes. It helps me keep my professional and personal life separate.

    🏁 Competitors: Microsoft Teams
    👍 Pros:    Bulk messaging
    👎 Cons:    Sometimes the download is slow
  2. Best tool for messaging to business.

    Slack helps business to get their teams in touch with each other. The interface is very user friendly and easy to use.

    🏁 Competitors: Microsoft Teams
    👍 Pros:    Easy to use|User friendly interface
    👎 Cons:    Costly
  3. great tool for teamwork

    i have been using slack for my work and it is truly amazing. provides great effeciency and helps to manage a large number of team and stay connected throughout. reccomended for businesses with big teams

    👍 Pros:    High quality|User-friendly|Good support
    👎 Cons:    Notifications|Notification and alert

20 Telegram Alternatives to Chat With in 2024
Slack works more like a forum than Teams does – falling somewhere in between a forum and a chat software. It lets you organize discussions into different channels, as well as by thread. You can invite others into a thread by @mentioning them, and it lets you add lots of different types of content. Slack works really well for 1:1 audio meetings, “huddles,” that give you the...
Why we switched to Mattermost
Now, obviously core messaging functionality is critical. Mattermost is great there, but so is Slack. In fact, Slack features like third-party integrations and threaded messaging were missed greatly (thank you, Mattermost, for recently adding threaded messaging). So the relative parity between the solutions from a ‘speeds and feeds’ perspective was table stakes, but we...
Source: netfoundry.io
Microsoft Teams Vs Clariti: Which one should you choose?
The main reason behind the sudden rise of Teams is it is being offered at no added cost to Office 365 users. This strategy paid for Teams as it was able to increase its market share and overtake its potential rival Slack in no time. Though Microsoft is not earning any revenue (they may actually be losing money in selling Teams), they are able to sustain due to their deep...
Source: clariti.app
15 Best Instant Messaging Apps for Business
Clariti is a relatively new instant messaging app that has been gaining in popularity among small businesses and the startup community especially in the technology and media markets. A key reason for its success has been its ability to address issues that other long-standing tools like Slack and Teams have perpetuated with their chat-focused communication paradigm. Clariti...
Source: clariti.app
14 of the Best Slack Alternatives for 2022
Luckily, when it comes to choosing the right communication tool for your team, you have a variety of options. I’ve briefly covered the best apps your team might enjoy, but if you need more in-depth information on team chat tools like Slack, check out Chanty’s Slack alternatives review. It shares Chanty's experience and feedback from testing seven different team chat software...

Social recommendations and mentions

Based on our record, Slack seems to be more popular. It has been mentiond 208 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Zimbra mentions (0)

We have not tracked any mentions of Zimbra yet. Tracking of Zimbra recommendations started around Mar 2021.

Slack mentions (208)

View more

What are some alternatives?

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

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

Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

Roundcube - Web-based IMAP email client

Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

mailcow - An open source mailserver suite.

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.