Software Alternatives, Accelerators & Startups

OpenPGP VS Zimbra

Compare OpenPGP VS Zimbra and see what are their differences

OpenPGP logo OpenPGP

The most widely used email encryption standard. Defined in RFC 4880.

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.
  • OpenPGP Landing page
    Landing page //
    2023-10-22
  • 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.

OpenPGP videos

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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?

Category Popularity

0-100% (relative to OpenPGP and Zimbra)
Security & Privacy
100 100%
0% 0
Email
0 0%
100% 100
Encryption
100 100%
0% 0
SMTP Server
0 0%
100% 100

User comments

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Reviews

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

OpenPGP Reviews

We have no reviews of OpenPGP yet.
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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

Social recommendations and mentions

Based on our record, OpenPGP seems to be more popular. It has been mentiond 4 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.

OpenPGP mentions (4)

  • WKD on custom domains
    You're trusting the service (openpgp.org seems to be the only server offering this?) to serve up your correct key. Source: about 2 years ago
  • Verification Key? OpenPGP and Keys, How to acquire Verification Code
    Hello, I used openpgp.org to create a set of pgp keys, and I tested them out and all is well. I went to a web site and uploaded my pub key fine, but now it asks for a Verification Code/Key? What is that, and how do I get that off my newly created PGP keys? Thanks. Source: over 2 years ago
  • Future of Key-Pools
    Not sure, but it looks like keys.openpgp.org is up. I found a keyserver still running where I could find my public key (this one: http://pgp.mit.edu/) and uploaded it to the openpgp.org one. This seems rather recent; there's a related post on r/GnuPG. Source: about 3 years ago
  • Keyservers are gone
    Anyways; it looks like openpgp.org is trying to get on the right side of these crowds ... Source: about 3 years ago

Zimbra mentions (0)

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

What are some alternatives?

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

Skizzle Email - Skizzle is the most secure way to share end-to-end encrypted files through email, backed by blockchain

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

Virtru - Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?

Roundcube - Web-based IMAP email client

OpenPGP Keyserver - Pool of places to publish and search OpenPGP public keys.

mailcow - An open source mailserver suite.