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OpenNebula vs Zesty comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 17, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

OpenNebula
Ranking in Cloud Management
26th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
15
Ranking in other categories
No ranking in other categories
Zesty
Ranking in Cloud Management
31st
Average Rating
8.8
Reviews Sentiment
6.5
Number of Reviews
5
Ranking in other categories
Cloud Cost Management (20th)
 

Mindshare comparison

As of October 2026, in the Cloud Management category, the mindshare of OpenNebula is 1.5%, down from 5.8% compared to the previous year. The mindshare of Zesty is 1.0%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Management Mindshare Distribution
ProductMindshare (%)
OpenNebula1.5%
Zesty1.0%
Other97.5%
Cloud Management
 

Featured Reviews

FOURES Jean-Philippe - PeerSpot reviewer
Products Manager at a tech services company with 501-1,000 employees
Reliable, simple to manage, and offers great technical support
The support of VXLAN fits with our network management. Thanks to this we can propose mixed solutions using virtual resources on OpenNebula and bare metal servers hosted in our facilities linked to each other on the sale network. This use case is very useful when some applications need bare metal power (Kubernetes workers, huge databases, AI models computations, et cetera). The cluster management is very useful for splitting our different clusters (mutual vs dedicated). We can manage deployments and capacity planning without pain. The API is also really simple and it helped us to develop the Terraform provider to manage OpenNebula like any other cloud infrastructure.
Srinivas Rayudu  - PeerSpot reviewer
Director at Zensa Technologies
Managing complex onboarding has been challenging but automated cost optimization delivers strong savings
Zesty is a good solution; however, the learning curve can be complex for new users without a solid tech background, posing a challenge in training and the initial setup process. I would deduct one point for this aspect since everything else is fine. A specific example of where the learning curve caused issues is when we introduced Zesty to our new development team, which struggled to understand the platform while working on a project related to AI and ML. Our system architects explained how Zesty works, but I believe a more proactive approach to training and foundational data could help teams be more self-sufficient and less reliant on internal support.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"OpenNebula has given us tremendous knowledge about cloud computing and about Cloud Management platforms, commonly known as CMP."
"It is quite easy to deploy."
"OpenNebula is lightweight, stable, and easy to customize."
"It makes maintenance very easy and stress-free for our teams."
"I also like the ability to build custom functions. I can define a function where I have two types of views and configure the dependencies. The virtual data centers concept allows me to define users. If a user wants to join certain kinds of machines, the host and the other user won't see them. It gives me the flexibility to define multiple views and data centers in one place."
"The most valuable feature of OpenNebula is that it scales very well."
"The live migration feature has been great and is something we use very often."
"With a single click, we could set things up and initiate them."
"The turnkey aspect of Zesty is very valuable."
"One of the reasons we decided to onboard Zesty was that it started supporting Windows instances."
"I think Zesty is a really useful tool, it is really quick, it is really powerful, they are always improving it, and the customer service is flawless."
"Zesty has positively impacted our organization by providing a good return on investment, with a total reported percentage of savings around 40 to 50%."
"From a metrics perspective, Zesty reduced our Kubernetes infrastructure spend by about 24% in the first six months, we also cut wasted storage costs by roughly 18% and improved saving plan utilization by around 12%, and on the operational side, we saved roughly 40 to 50 hours a month in manual cloud cost tuning."
 

Cons

"The UI, monitoring, and alerting could benefit from further improvements."
"The front-facing API can be improved to support lots of requests when the platform is huge with lots of virtual resources."
"The web interface could be better. It's not very difficult to use, but there's room for enhancement."
"As with all enterprise software licensing, the pricing is not intuitive and must be negotiated; grandfathered contracts are better than anything offered today."
"There are small things that are hard. For example, making sure that it is going to be installable on public clouds."
"There are no payment gateways in OpenNebula."
"They have been saying for the past two and a half years that they would develop a feature to hot-add RAM and CPU, but it does not work."
"The storage feature that they have is a bit confusing."
"There are different resource types that we would like to leverage and get reserved instances for, such as RDS instances."
"It would be really useful if Zesty had more code snippets that were easy to use, an easier library instead of their documentation, and something that provided an automated finish to insert code so it could give you code hints."
"Zesty is a good solution; however, the learning curve can be complex for new users without a solid tech background, posing a challenge in training and the initial setup process."
"I would like to get RDS-reserved instances that I could buy and sell, but that's a limitation on AWS."
"The biggest area for improvement is still reporting depth."
 

Pricing and Cost Advice

"The licensing for OpenNebula used to be free, but now it's no longer free. A customer contacted me asking to move to another provider because of the changes in the licensing terms for OpenNebula. I have no information on how much the OpenNebula license is because the customer pays for it, and I only do the integration."
"VRA is very expensive but OpenNebula is free."
"OpenNebuoa has recently come up with a new subscription model that is economical and a lot of new customers are choosing this as it is an easy subscription model."
"We use the Community Edition, rather than the Enterprise Edition."
"The solution is open source so is free."
"OpenNebula gives good value for money."
"The solution’s pricing is reasonable."
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915,341 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Comms Service Provider
12%
Financial Services Firm
11%
Computer Software Company
10%
Manufacturing Company
7%
Financial Services Firm
13%
Comms Service Provider
12%
Manufacturing Company
11%
Media Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise6
Large Enterprise3
No data available
 

Questions from the Community

Ask a question
Earn 20 points
What is your experience regarding pricing and costs for Zesty?
My experience with pricing, setup cost, and licensing was great, as we had a great account manager that we did not have to query too much about it. The free one was nearly good enough to start with...
What needs improvement with Zesty?
I find myself using the online editor the most often, and what would be better is if you could have multiple windows open to work in, something like an actual program rather than having to shift be...
What is your primary use case for Zesty?
My main use case for Zesty is the CMS. For our corporate website, my team uses Zesty's CMS to allow users from any point in the company to upload content, add posts, add pages, and promote the comp...
 

Comparisons

 

Overview

 

Sample Customers

Akamai, BBC, Fermilab, Terradue, Surf Sara, Produban, Netways, ESA, China Mobile, BlackBerry, Deloitte, Fuze, Telefonica, Trivago, Nokia, Encore Tech, Beeks.
Walkme, Wiz, Gong, Grubhub, Singular
Find out what your peers are saying about OpenNebula vs. Zesty and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.