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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
32nd
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 (6th), Cloud Cost Management (20th)
OpenNebula
Ranking in Cloud Management
24th
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 September 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 6.1% 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.
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.

Quotes from Members

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

Pros

"This product has provided us with a more comprehensive solution that is now replacing nearly all other tools which were previously used in the different platforms and environments within the account."
"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."
"From my perspective, this product is really good, and we are not even using each and every feature."
"The Control Console is an incredible way to give a quick view of current capacity utilization allowing technical people to drill down quickly and allowing business/management people to get a quick overview of the environment."
"The solution's tech support is excellent."
"I would say that the initial thing is that it provides us with a technological basis to expand capacity management beyond Excel."
"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."
"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."
"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 makes maintenance very easy and stress-free for our teams."
"OpenNebula has very good integration with SAP Storage, is easy to use, has a good UI, and is very scalable."
"OpenNebula has given us tremendous knowledge about cloud computing and about Cloud Management platforms, commonly known as CMP."
"The live migration feature has been great and is something we use very often."
"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."
"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."
"It's easy to integrate OpenNebula with our IT systems."
 

Cons

"The solution's stability is the primary concern for me."
"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."
"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."
"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."
"Unfortunately the tools and mechanisms which really came to maturity in the cloud, and were not mainstream on-premise, are still not implemented."
"A closer integration to the service management processes."
"Normalization of CPU utilization is required. At present, the data is available based on entitlement level."
"Service management level integration is probably the biggest area for improvement."
"The UI, monitoring, and alerting could benefit from further improvements."
"I would like to see OpenNebula add more integration with REST API. XML-RPC API is good, but it becomes a pain to form a resting output."
"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."
"Backup features are only available in the enterprise edition. The community version lacks a good solution for making backups."
"The storage feature that they have is a bit confusing."
"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."
"The front-facing API can be improved to support lots of requests when the platform is huge with lots of virtual resources."
"Template management also needs improvement in OpenNebula because it's inferior right now."
 

Pricing and Cost Advice

"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."
"Setup cost is negligible, as it scales fairly well."
"There was some sticker shock, as this is not just another software product to spit out graphs."
"Cost is always involved, but then I feel that this solution is better than other products that we have."
"The solution is open source so is free."
"We use the Community Edition, rather than the Enterprise Edition."
"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."
"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."
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Top Industries

By visitors reading reviews
Construction Company
14%
Comms Service Provider
12%
Manufacturing Company
11%
Financial Services Firm
10%
Comms Service Provider
11%
Financial Services Firm
11%
Computer Software Company
10%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business1
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: September 2026.
913,806 professionals have used our research since 2012.