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Densify vs OpenNebula 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

Densify
Ranking in Cloud Management
30th
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
10
Ranking in other categories
Cloud Migration (10th), Virtualization Management Tools (8th), Cloud Analytics (5th), Cloud Cost Management (19th)
OpenNebula
Ranking in Cloud Management
27th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
15
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Cloud Management category, the mindshare of Densify is 2.3%, up from 1.0% compared to the previous year. The mindshare of OpenNebula is 1.5%, down from 5.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Management Mindshare Distribution
ProductMindshare (%)
OpenNebula1.5%
Densify2.3%
Other96.2%
Cloud Management
 

Featured Reviews

AbhishekGupta2 - PeerSpot reviewer
Sr PreSales Cloud Architect at a outsourcing company with 10,001+ employees
Optimized cloud costs and automated right‑sizing have reduced spend while reporting needs improvement
The best features Densify offers are actionable optimization recommendations, which tell you how to reduce costs while maintaining performance; the ML-powered predictive analytics feature, which considers historical patterns to provide recommendations; multi-cloud coverage for optimization across AWS, Azure, and GCP; and a solid balance between performance and cost. Out of those features, I find myself relying on actionable optimization recommendations and predictive analytics features the most because Densify goes one step beyond by providing recommendations considering historical patterns, especially for workloads that only spike during certain times of the month. Densify has positively impacted my organization by providing significant cost savings through right-sizing and eliminating inefficient resources, allowing faster decisions based on data, and reducing manual intervention for cloud operations, thus providing automation of basic cloud routines. I usually see a twenty-five to thirty percent cost saving in my customer's environment, and from a time-saving perspective, it has almost halved the time of the operations team.
AB
CTO at Encha
A highly scalable solution that gives good value for money, but it does not have payment gateways
OpenNebula's templates are weak, and it could do something to make template creation a lot easier to use. The solution has a template for every single VM you create, which is not clever. You should be able to use a template for many different virtual machines. There are no payment gateways in OpenNebula.

Quotes from Members

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

Pros

"The tool will come back and tell us that we can operate with 1,000 minutes as an example, save 90% on the contractual rate and not run into any issues."
"I usually see a twenty-five to thirty percent cost saving in my customer's environment, and from a time-saving perspective, it has almost halved the time of the operations team."
"I would say that the initial thing is that it provides us with a technological basis to expand capacity management beyond Excel."
"We switched to Densify because it gave us a more complete end-to-end picture of the environment and really became the system of truth across all of our environments versus having to aggregate information from many dissimilar systems."
"Densify's ability to aggregate multiple on-premise vCenters and multiple cloud accounts, gives it a level of visibility not found in many places."
"Our team members are now spending more productive time on other priorities and are handling much more effective tasks."
"From my perspective, this product is really good, and we are not even using each and every feature."
"One would be the automatic rebalancing of the environment. That was one feature which helped. With that, we could improve our efficiency of our VMware infrastructure."
"It makes maintenance very easy and stress-free for our teams."
"What's best about OpenNebula that people like is that it's easy to deploy. It's also easy to manage. It's interesting because people choose OpenNebula over other solutions because of the ease of management."
"I'll definitely recommend OpenNebula because it's an open-source solution that's effortless to set up, and the total cost of ownership is low."
"The ability to use it almost like a public cloud for an organization is a big asset, as it will create a value proposition and can control costs in a great way."
"It has enabled us to decrease the optics by around 55 to 60%."
"It is quite easy to deploy."
"With a single click, we could set things up and initiate them."
"OpenNebula is lightweight, stable, and easy to customize."
 

Cons

"Densify can be improved in a couple of areas: the learning curve for new users, where it feels like an advanced optimization tool that needs time for full leverage; enhancements in reporting and filter options for more detailed custom reports; and improvements in UI performance since some users feel that the UI is a bit slow or outdated, especially with certain interfaces such as the Kubex Console or the Cloud Decks."
"It seems that the mechanism for integration is, it goes so far but I think there could be some standard integration to normal remedy service now etc. I think that should be out of the box."
"There are times when results are very slow when we search for servers."
"Unfortunately the tools and mechanisms which really came to maturity in the cloud, and were not mainstream on-premise, are still not implemented."
"Service management level integration is probably the biggest area for improvement."
"Some parts of the interface are rather complex and require a bit of time to navigate, but this has never stopped us as a Densify advisor is readily available to help with our "how to" queries."
"Normalization of CPU utilization is required. At present, the data is available based on entitlement level."
"The solution's stability is the primary concern for me."
"The storage feature that they have is a bit confusing."
"Most of the competitors are offering some sort of billing software to transform their installation to work as a small-sized public cloud, but those offerings from OpenNebula are still missing."
"There are no payment gateways in OpenNebula."
"They should add more features like object storage."
"Hosting platforms are limited so the deployment process needs improvement."
"An area for improvement in OpenNebula is the number of features it has. The solution doesn't have that many cloud features compared to other solutions. You'd say, "Okay, simplicity over a rich feature list?" Some say, "No, I need a big machine or a cloud interface for my customers to manage resources. I don't have to go and do it for them." Some people do it that way, and it works, but I'd like to improve the limited features in OpenNebula."
"Backup features are only available in the enterprise edition. The community version lacks a good solution for making backups."
"There are small things that are hard. For example, making sure that it is going to be installable on public clouds."
 

Pricing and Cost Advice

"There was some sticker shock, as this is not just another software product to spit out graphs."
"Densify has licensing setup so you can collect data without licensing. It gives you the ability to collect on everything, then choose later what you would like to license."
"Cost is always involved, but then I feel that this solution is better than other products that we have."
"Setup cost is negligible, as it scales fairly well."
"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."
"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."
"OpenNebula gives good value for money."
"VRA is very expensive but OpenNebula is free."
"We use the Community Edition, rather than the Enterprise Edition."
"The solution is open source so is free."
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Top Industries

By visitors reading reviews
Construction Company
14%
Comms Service Provider
13%
Financial Services Firm
10%
Retailer
10%
Comms Service Provider
13%
Financial Services Firm
12%
Computer Software Company
9%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business2
Midsize Enterprise1
Large Enterprise11
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise6
Large Enterprise3
 

Questions from the Community

What needs improvement with Densify?
Densify can be improved in a couple of areas: the learning curve for new users, where it feels like an advanced optimization tool that needs time for full leverage; enhancements in reporting and fi...
What is your primary use case for Densify?
My main use cases for Densify include cloud cost optimization, predictive resource sizing, assistance in multi-cloud and hybrid cloud environments, and reducing the manual analysis of the environme...
What advice do you have for others considering Densify?
My advice for others looking into using Densify is to focus on setting up governance policy early, integrate optimization results into your usual sprints, and train FinOps and engineering teams tog...
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Overview

 

Sample Customers

AIG, Bank of America, Cigna, Citi
Akamai, BBC, Fermilab, Terradue, Surf Sara, Produban, Netways, ESA, China Mobile, BlackBerry, Deloitte, Fuze, Telefonica, Trivago, Nokia, Encore Tech, Beeks.
Find out what your peers are saying about Densify vs. OpenNebula and other solutions. Updated: November 2026.
920,769 professionals have used our research since 2012.