Software Alternatives, Accelerators & Startups

ProtonVPN VS Zimbra

Compare ProtonVPN VS Zimbra and see what are their differences

ProtonVPN logo ProtonVPN

ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.

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.
  • ProtonVPN Landing page
    Landing page //
    2023-09-17
  • 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.

ProtonVPN videos

ProtonVPN Review 2019 - HONEST REVIEW!

More videos:

  • Review - ProtonVPN Review 2020 - WATCH BEFORE YOU BUY
  • Review - ProtonVPN Review 2020 - here is the TRUTH

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 ProtonVPN and Zimbra)
VPN
100 100%
0% 0
Email
0 0%
100% 100
Cloud VPN
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 ProtonVPN and Zimbra

ProtonVPN Reviews

Best 5 Psiphon Alternatives in 2023
The risks associated with picking a free VPN usually outweigh the pros, but in the case of ProtonVPN that’s a trusted service, you might just get away without paying a single dime for spoofing your location. There are obvious downsides with going for a completely free service – only 3 server locations and no access to geo-restricted Netflix content. However, the moment you...
The Best NordVPN Alternatives in 2022
What’s unique about ProtonVPN is its VPN Accelerator solution combined with a 10 Gbps server network to increase VPN speeds by over 400 percent. It also uses multiple OpenVPN processes for every server and re-engineered OpenVPN for optimum distribution of load.
Source: www.alphr.com
Best NordVPN Alternatives
ProtonVPN hails from a long line of privacy-centric products like ProtonMail. Moreover, CERN scientists are responsible for the company behind this VPN. Thus, it has a reputation to uphold, that of a privacy-centric VPN. Furthermore, the providers also offer a free ProtonVPN version by subsidizing the premium user base. As expected, the company hails from Switzerland and...
Source: vpnwired.com
10 Best NordVPN Alternatives – Safe & Fast VPNs in 2022
ProtonVPN is one of the reliable alternatives of NordVPN when it comes to well-optimized servers. The VPN service has both free and premium plans, but users can’t select servers in the free plan. In total, ProtonVPN has 526 servers in 42 countries, and it’s always known for its ping time and faster speed.
Source: techviral.net
The 10 Best Open Source VPN Apps
If you frequently watch YouTube, you must have at least heard of this VPN application. Not only is ProtonVPN available on all Windows, macOS, and Linux-based systems, but you’ll also find its mobile apps on both Google Play Store and Apple App Store. A little background on this app: ProtonVPN has been developed by a team of scientists from MIT and CERN, so you know it’s...

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, ProtonVPN seems to be more popular. It has been mentiond 310 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.

ProtonVPN mentions (310)

  • I can’t make an account or login into One
    Try the free version of Proton VPN specifically. Source: 7 months ago
  • Pirating on Mac extremely slow
    Hey there, after doing some research it seems like the conclusion is your vpn. Nord VPN has a lack of port forwarding, while other vpns have port forwarding (proton, mullvad). That is most likely interrupting your speed. also, apparently nord does keep some sort of logs if your interested in that. I would recommend cancelling nord and getting something else like proton or mullvad (i would recommend proton more)... Source: 7 months ago
  • ⟳ 4 apps added, 121 updated at f-droid.org
    ProtonVPN - Secure and Free VPN (version 4.7.41.0): Free Swiss VPN with advanced security and privacy features. Source: 10 months ago
  • The 10 tools I install on every new Mac I get
    Other essentials are a VPN (I use Mullvad and ProtonVPN), but that's about it. - Source: dev.to / 10 months ago
  • Why people use VPN on torrent and which torrent software should i use ?
    If you end up finding out that you need a VPN, then bind it to qbittorent with this guide. Recommended VPNs are ProtonVPN and Mullvad. Source: 10 months ago
View more

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 ProtonVPN and Zimbra, you can also consider the following products

Windscribe - Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.

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

OpenVPN - OpenVPN - The Open Source VPN

Roundcube - Web-based IMAP email client

NordVPN - NordVPN offers VPN technology that encrypts data twice.

mailcow - An open source mailserver suite.