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IBM Open Liberty vs Tomcat comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 8, 2026

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

IBM Open Liberty
Ranking in Application Server
7th
Average Rating
10.0
Reviews Sentiment
2.8
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Tomcat
Ranking in Application Server
2nd
Average Rating
8.4
Reviews Sentiment
7.7
Number of Reviews
53
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Application Server category, the mindshare of IBM Open Liberty is 4.4%, up from 2.6% compared to the previous year. The mindshare of Tomcat is 13.1%, down from 15.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Server Mindshare Distribution
ProductMindshare (%)
Tomcat13.1%
IBM Open Liberty4.4%
Other82.5%
Application Server
 

Featured Reviews

FABIO LUIS VELLOSO DA SILVA - PeerSpot reviewer
Partner at SouJava
Has enabled flexible deployment of modular services with high availability and smooth dynamic updates
The best features of IBM Open Liberty are the implementation of MicroProfile and Jakarta EE, along with fault tolerance and high availability. It's easy to use and deploy new features. The profile is easy to configure and set up features. For example, using fault tolerance from MicroProfile or using servlets or JAX-RS allows for easy configuration and creation of modular applications. The configuration is modular. The main point for us in this project was high availability, high performance, and the implementation of MicroProfile and Jakarta EE. We utilized the modular architecture of IBM Open Liberty by creating different microservices using different environments. We created different configurations for different services using the configuration of IBM Open Liberty. This was very beneficial. We created different environments only by changing the configuration, depending on the functionality we needed. It was good and very flexible for us. I used the dynamic updates feature of IBM Open Liberty and different configurations in different services and servers, based on the functionality we provided for our clients. The flexibility to create different services in different environments using IBM Open Liberty was important. The high availability is guaranteed by the architecture of IBM Open Liberty, Java, and MicroProfile. The architecture guaranteed high availability, and the flexibility comes from being able to configure needed features. There's no need to load all WebSphere or functionalities in all environments. I can configure it and create a more highly available and scalable process. I implemented monitoring tools for IBM Open Liberty using Grafana and OpenTracing using the functionalities from MicroProfile and IBM Open Liberty. The monitoring tools helped with managing system performance.
Sanjay Sahu - PeerSpot reviewer
Project Manager at Capgemini
Customization and flexibility enhance web applications while support effectively resolves queries
Regarding improvements in Tomcat, I personally haven't used it very extensively, but all Apache products are very useful for our web applications. Although the web server setup is a little different, it has everything we have been using, and as of now, everything is good with no deficiencies that need improvement. I think that Tomcat needs a more robust logging error details feature; the current logging feature is available, but it should be more user-friendly. This improvement would make error handling more user-friendly.

Quotes from Members

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

Pros

"The flexibility to create different services in different environments using IBM Open Liberty was important."
"It is a stable solution compared to other vendors."
"Tomcat brings the biggest benefit through its simplicity; it is not just simple in terms of interface, it is simple for managing or very quickly running this server."
"Tomcat is user-friendly and easy to set up, especially compared to WebLogic or JBoss where some specialty is required. If you are going for Tomcat, you can use their guidelines and can set it up easily."
"Tomcat is a lightweight application server, which makes it easy to deploy and install small applications."
"Web apps are very easy to deploy."
"The most valuable feature is how simple it is to deploy the solution."
"Compared to Oracle Web Projects, it's very user-friendly and the administration is very simple."
"I love Tomcat for its scalability, reliability, availability, and steadiness."
"We use Tomcat for various purposes, and our company finds it to be perfect; we are getting all the solutions out of that."
 

Cons

"To improve IBM Open Liberty, more integration with Kafka and message systems, and asynchronous messaging would be beneficial."
"Its support documentation could have detailed information on database integration."
"This product needs an improvement to its centralized management console that can apply configurations and deployments for large scale clusters and groups of servers without the need of accessing each server to apply the changes."
"The solution cannot host .NET applications."
"The solution's interface and backup features could be better."
"Tomcat is not user-friendly."
"The current procedure appears complex and could benefit from a more straightforward solution."
"The cluster management and load balancing is a bit complex."
"Deployment in Tomcat should be done through a GUI. We deploy applications from the backend using commands."
"The interface is not user-friendly."
 

Pricing and Cost Advice

"It is less costly than one of its competitors."
"The solution is open source so is free."
"The price of the solution is good."
"This is an open-source product and it's free to use."
"I rate the product's price an eight on a scale of one to ten, where one is a high price, and ten is a low price."
"If it is a community version of the solution, no payment is required. However, if it is a Linux version, we must buy the solution from JBoss."
"It's open-source. We don't pay for the license."
"Tomcat's pricing is very cheap."
"We are currently using the open-source version."
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Top Industries

By visitors reading reviews
Financial Services Firm
37%
Insurance Company
7%
Manufacturing Company
6%
Comms Service Provider
6%
Financial Services Firm
21%
Government
9%
Comms Service Provider
9%
Outsourcing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business23
Midsize Enterprise4
Large Enterprise28
 

Questions from the Community

What needs improvement with Open Liberty?
To improve IBM Open Liberty, more integration with Kafka and message systems, and asynchronous messaging would be beneficial. Having more integration with Kafka, Mongo, and middleware systems that ...
What is your primary use case for Open Liberty?
I used IBM Open Liberty for an application for financial services using IBM Open Liberty and MicroProfile to process data for financial services work.
What advice do you have for others considering Open Liberty?
I used IBM Open Liberty in the past in a project, but today I'm not using it anymore. I had a good experience working with it in a financial services company. This was very beneficial. My review ra...
What needs improvement with Tomcat?
Tomcat lacks a visual tool for configuring. Everything is from the command line. I would like a visual tool for configuration to be added to Tomcat, as I see this feature missing.
What is your primary use case for Tomcat?
I work with Tomcat as a programmer, but not as an administrator. My major use case involves using Tomcat, mostly enclosed in any Java image for a Java application for REST API. I do not work with t...
What is your experience regarding pricing and costs for Tomcat?
I am familiar with pricing for Tomcat. For me, it is open source. Since it is open source, I don't see any fee for that regarding whether the license for Tomcat is usually expensive or quite afford...
 

Overview

 

Sample Customers

Information Not Available
1. Adobe Systems 2. Amazon 3. Apple 4. AT&T 5. Bank of America 6. Boeing 7. Cisco Systems 8. Citigroup 9. Dell 10. eBay 11. Facebook 12. General Electric 13. Google 14. Hewlett-Packard 15. IBM 16. Intel 17. JPMorgan Chase 18. Microsoft 19. Netflix 20. Oracle 21. PayPal 22. Salesforce 23. Samsung 24. Sony 25. Target 26. Twitter 27. Uber 28. Verizon 29. Visa 30. Volkswagen 31. Walmart 32. Yahoo
Find out what your peers are saying about IBM Open Liberty vs. Tomcat and other solutions. Updated: November 2026.
920,929 professionals have used our research since 2012.