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AWS Control Tower vs OpenNebula comparison

 

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

AWS Control Tower
Ranking in Cloud Management
23rd
Average Rating
8.6
Reviews Sentiment
6.9
Number of Reviews
19
Ranking in other categories
No ranking in other categories
OpenNebula
Ranking in Cloud Management
21st
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 August 2026, in the Cloud Management category, the mindshare of AWS Control Tower is 1.4%, down from 1.4% compared to the previous year. The mindshare of OpenNebula is 1.6%, down from 6.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Management Mindshare Distribution
ProductMindshare (%)
OpenNebula1.6%
AWS Control Tower1.4%
Other97.0%
Cloud Management
 

Featured Reviews

Sharkrit Impat - PeerSpot reviewer
Head Of Platform Engineering at Ascend Group Co., Ltd.
Streamlines governance and security management but requires effort in managing hidden costs
I believe AWS Control Tower could be improved. I compare it with Huawei Cloud's enterprise project, which is a similar concept but different implementation. In Huawei Cloud, you partition in one single account, but in AWS, you have to separate many accounts. You end up with maybe 20 or 30 accounts if you try to separate. It has limitations; you pay a fixed amount for 15 accounts, but if you exceed that, you have to pay more. It could be useful for implementing a Cloud Center of Excellence (CCOE) for multiple organizations, but for one organization, I would advise against it; it is too much overhead and adds hidden costs. There are limitations on the Landing Zone feature as well. If we implement AWS Control Tower, we need to implement Landing Zone and the security policy, guardrails, and Account Factory; it is not one single product. Using another cloud's enterprise project, you can just create the project and manage it already. It requires some learning curve to get hands-on. For pricing and licensing of AWS Control Tower, it has hidden costs. The Control Tower itself does not cost much, but the child accounts created from AWS Control Tower add costs for checking all configurations, logging, and metrics.
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

"There are two features in Control Tower which are the most valuable. One is the guardrails because it has preventive and detective guardrails."
"The most intriguing feature is the automatic generation of user accounts. Leveraging Active Directory and global company settings, AWS Cloud Tower enables the creation of AWS user accounts based on job descriptions in Active Directory. This establishes a direct correlation between the user's name, job definition, and the corresponding rules applied to each account."
"One of the standout advantages is the fine-grained control it offers in terms of permissions and privileges."
"AWS Control Tower helps companies save costs."
"AWS Control Tower helps to save a lot of work and manage multiple accounts."
"AWS Control Tower provides tremendous value by simplifying multi-account governance and reducing operational complexity."
"The advantages of AWS Control Tower that stand out for me include centralized management and easy governance control."
"It is incredibly user-friendly and functions seamlessly."
"OpenNebula is lightweight, stable, and easy to customize."
"The live migration feature has been great and is something we use very often."
"The solution provides templates for configurations that can easily be exchanged to VMs."
"It has enabled us to decrease the optics by around 55 to 60%."
"For the entire data center, as a private cloud, I believe that user management, expert management, and the virtual data center is completely magic for the users."
"OpenNebula freed my customer from doing the maintenance operations of the servers because now that can be done by his clients."
"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."
"It's easy to integrate OpenNebula with our IT systems."
 

Cons

"By making APIs and organizational units more centralized, it would be simpler to pinpoint the source of issues in case of a breach and would ultimately benefit everyone involved."
"AWS should provide more resources, examples, and tutorials."
"It would be beneficial if AWS offered the capability to seamlessly deploy your infrastructure to another region to ensure continuous availability and redundancy."
"The product's affordability depends on the value it brings to specific organizations."
"The process of closing an AWS account using Control Tower needs improvements to simplify it, especially when managing multiple accounts."
"The initial setup is complex."
"There aren't any additional features that I feel are missing. However, it's worth noting that Control Tower seems to function as a layer utilizing standard AWS products in the background. Occasionally, the interface may appear less streamlined, with changes in layout based on the underlying products being used. While this doesn't impact functionality, having a more standardized user interface, irrespective of the background products, could enhance the user experience."
"The sole drawback is its restriction to enable only one Control Tower."
"They should add more features like object storage."
"The front-facing API can be improved to support lots of requests when the platform is huge with lots of virtual resources."
"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."
"Hosting platforms are limited so the deployment process needs improvement."
"As with all enterprise software licensing, the pricing is not intuitive and must be negotiated; grandfathered contracts are better than anything offered today."
"It should have a simple REST API like most other tools. It's the industry standard format. An XML-RPC API gives you an XML document that you have to convert and then do something with that. REST API endpoint provides outputs in a JSON document. I would also like to see support for user data or heat templates, which OpenStack offers, but OpenNebula doesn't have this yet."
"The storage feature that they have is a bit confusing."
"The protocol for clusterization is rough and doesn't work well."
 

Pricing and Cost Advice

"The pay-as-you-go model ensures you're only charged for what you use, which offers great flexibility for different types of companies."
"AWS Control Tower is not really that expensive."
"It is expensive but it is an investment in my opinion."
"On a scale of one to ten, where one is a low price and ten is a high price, I rate the pricing an eight."
"I believe it's free of charge or comes at a very low cost. It's an additional feature. Even if there is a fee, it's minimal. AWS seems to assist customers in gaining a comprehensive view of their security setups within AWS. Using Control Tower is highly recommended, especially as your company grows and involves Active Directory, various departments, and different architectural aspects. It becomes more advisable to leverage Control Tower rather than managing these aspects manually, especially for larger organizations."
"The solution is free."
"It operates on a pay-as-you-go model, meaning we are charged only for the services we actively use within it."
"The pricing structure is closely intertwined with the specifics of your environment and the billing strategy you employ."
"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."
"VRA is very expensive but OpenNebula is free."
"We use the Community Edition, rather than the Enterprise Edition."
"OpenNebula gives good value for money."
"The solution is open source so is free."
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Top Industries

By visitors reading reviews
Financial Services Firm
14%
Manufacturing Company
8%
Comms Service Provider
8%
Insurance Company
7%
Financial Services Firm
11%
Comms Service Provider
11%
Computer Software Company
9%
University
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise3
Large Enterprise8
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise6
Large Enterprise3
 

Questions from the Community

What is your experience regarding pricing and costs for AWS Control Tower?
Control Tower within the AWS Organization does not have a charge. It is free and does not incur additional charges.
What needs improvement with AWS Control Tower?
I would like to see greater customization and flexibility for the landing zone, easier integration with existing enterprise environments, more advanced reporting and governance dashboards, and expa...
What is your primary use case for AWS Control Tower?
My primary use case for AWS Control Tower is multi-account governance, as it provides a standardized landing zone that allows us to provision accounts consistently, enforce security guardrails, cen...
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Overview

 

Sample Customers

Expedia, Intuit, Royal Dutch Shell, Brooks Brothers
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 AWS Control Tower vs. OpenNebula and other solutions. Updated: August 2026.
908,800 professionals have used our research since 2012.