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IBM Open Liberty vs Oracle WebLogic Server comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 7, 2025

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
8th
Average Rating
10.0
Reviews Sentiment
2.8
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Oracle WebLogic Server
Ranking in Application Server
3rd
Average Rating
8.0
Reviews Sentiment
6.6
Number of Reviews
36
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the Application Server category, the mindshare of IBM Open Liberty is 4.3%. The mindshare of Oracle WebLogic Server is 12.8%, down from 25.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Server Market Share Distribution
ProductMarket Share (%)
Oracle WebLogic Server12.8%
IBM Open Liberty4.3%
Other82.9%
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.
Thomas Waltair - PeerSpot reviewer
Regional Head And Director Product Development at Neptune Software Group
Stable and scalable enterprise deployment with Cloud-Native support
Oracle WebLogic Server helps with my deployment strategy in both monolithic as well as Cloud-Native ways. I think it is useful; this Cloud-Native support helps with deployment in both on-prem and cloud. For container deployment, we are not very rich. We are in the process of moving our business logic to containerization. But in terms of this being a big product, a core banking system, I prefer on-prem rather than cloud. The use cases and the scrum help me a lot in an iterative, incremental manner. I would recommend this product; it is an enterprise, large volume, and of course, it is worth it to deploy. I am providing this review with a rating of 9.

Quotes from Members

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

Pros

"It is a stable solution compared to other vendors."
"The flexibility to create different services in different environments using IBM Open Liberty was important."
"The product is flexible and allows us to leverage deployments."
"It is good because it's easy to use. It doesn't crash frequently like other servers."
"One of the good features of Oracle WebLogic Server was the ability to add some custom parameters to its deployment and performance."
"The tool's technical support is very good."
"I would rate Oracle WebLogic Server nine out of ten, possibly even ten points."
"The technical support is responsive. They are always ready to help by various communication channels, such as Zoom calls. However, sometimes it will take a while because when we are dealing with a problem, they need to look at the logs and configuration. A lot of the issues are related to the configuration that they need to look at thoroughly before they can give us a solution and it can take a few days depending on the type of problem."
"It is quite robust in comparison to other application servers."
"It's a very stable solution."
 

Cons

"Its support documentation could have detailed information on database integration."
"To improve IBM Open Liberty, more integration with Kafka and message systems, and asynchronous messaging would be beneficial."
"Oracle WebLogic Server's configuration could be improved because we need to do multiple configurations when setting up anything."
"If you want to use Oracle products to the fullest with enhanced customizations, you need to get trained. There is enough documentation and the flexibility to configure the application to your needs but you will need to spend more time gathering the knowledge."
"Its pricing should be better. We are analyzing other options, such as JBoss, because of the cost of WebLogic."
"The integration could be improved."
"Oracle's support team fails to understand the real problem of the customer, which is why they take time to resolve issues."
"In the future, I would like to see better support for the REST interface."
"There are always ways to improve. But it's getting better every time, with every new release, and every new patch, it's getting better."
"There's a bug related to the managed services."
 

Pricing and Cost Advice

"It is less costly than one of its competitors."
"The licensing fees are annual and depend on the model."
"It is expensive."
"The licensing of the product is expensive"
"In our country, this is an expensive product."
"As Oracle WebLogic Server is a product from Oracle, it is bound to be an expensive solution. My company needs to make annual payments towards the licensing costs attached to the product."
"Pricing for Oracle WebLogic Server is expensive."
"I would not compare WebSphere and WebLogic because both servers are really good. The only difference is that Weblogic is lighter and consumes less memory."
"The tool's pricing is yearly."
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Top Industries

By visitors reading reviews
Financial Services Firm
50%
Manufacturing Company
7%
Computer Software Company
7%
Insurance Company
5%
Financial Services Firm
17%
Government
10%
Computer Software Company
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise6
Large Enterprise17
 

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 Oracle WebLogic Server?
I am not sure at this stage about any areas for improvement.
What is your primary use case for Oracle WebLogic Server?
The main purposes for which I use Oracle WebLogic Server is for enterprise deployment. It is an enterprise application deployment. I work with Cloud-Native support in Oracle WebLogic Server. We are...
 

Also Known As

No data available
WebLogic Application Server
 

Overview

 

Sample Customers

Information Not Available
Colab Consulting Pty. Ltd., Infosys Ltd., Sascar, Banca Transilvania, UL, Center for Railway Information Systems, SPAR Austria Group, Reliance Commercial Finance, Industrial Bank of Korea, Al Jaber Group, Safe Water Kenya, Chhattisgarh Infotech and Biotech Promotion Society
Find out what your peers are saying about IBM Open Liberty vs. Oracle WebLogic Server and other solutions. Updated: February 2026.
881,757 professionals have used our research since 2012.