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IBM WebSphere Application Server vs Microsoft .NET Framework comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 5, 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 WebSphere Application S...
Ranking in Application Infrastructure
6th
Average Rating
7.8
Reviews Sentiment
5.4
Number of Reviews
32
Ranking in other categories
Application Server (5th)
Microsoft .NET Framework
Ranking in Application Infrastructure
1st
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
57
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Application Infrastructure category, the mindshare of IBM WebSphere Application Server is 4.7%, down from 10.0% compared to the previous year. The mindshare of Microsoft .NET Framework is 4.1%, down from 5.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Infrastructure Mindshare Distribution
ProductMindshare (%)
Microsoft .NET Framework4.1%
IBM WebSphere Application Server4.7%
Other91.2%
Application Infrastructure
 

Featured Reviews

CF
Senior Manager, MW & DB Automation at a computer software company with 11-50 employees
Has worked seamlessly in complex clustered environments and supports long-term development efforts
IBM WebSphere Application Server is currently at version 9.0.5.23. In recent months, they released fix 23, as they periodically release fixes. Previously, they frequently increased versions, but now they maintain 9.0.5 with different releases. It's based on Java J2EE 7 and Java SDK 1.8. Oracle announced that 2030 will be the last year when Java SDK 1.8 will be supported. Oracle currently deploys Java 2.x in parallel, with the latest being version 25. The future of IBM WebSphere Application Server remains uncertain since it's based on Java 1.8 and Java 7. I haven't found any white papers or official documentation from IBM outlining their trajectory post-2030.
Muhammad Qasim - PeerSpot reviewer
Solutions Architect at Diyar United Company
Has enabled building responsive multi-threaded applications while supporting rapid deployment workflows
Microsoft .NET Framework has already made significant improvements by becoming open source. Many developers are contributing to Microsoft .NET Framework, not just Microsoft itself. They have ported it to many platforms and allow a healthy ecosystem of open source tools. They have moved from Visual SourceSafe to supporting Git with Microsoft Visual Studio. Their IDE, Visual Studio Code, is open source and multi-platform. There are many third-party tools available, including AI-based tools such as Cursor and Bolt, which are forks of Visual Studio Code. Based on my understanding, I don't have any suggestions for improvement as they are already doing an excellent job.

Quotes from Members

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

Pros

"Once you deploy your application, it will be very stable with no issues at all."
"IBM WebSphere Application Server works well and fulfills all of the requirements that are demanded of it, so it is a product that I recommend."
"What's most valuable in IBM WebSphere Application Server is its resilience. When you use the solution, you know that after the communication has been done, there will be no doubt that the data has reached its destination."
"Security: It is compatible with the latest Java 8 security features, supports FIPS 140-2 and NIST SP 800-53 with strong ciphers and cryptography keys, and supports TLS 1.2 completely. Also, configuring client and server certificates is relatively easy."
"The solution has good performance."
"This solution is easy to use with a GUI that is intuitive and very helpful."
"The performance is good."
"This solution is very good in terms of stability."
"When using Microsoft .NET Framework, you start writing the code internally."
"The structure that can be created is beneficial because once you have the structure, you can be more productive and faster to create and interact with different clouds and implementations."
"The most valuable feature is customization."
"The APIs are completely effective."
"Pre-programmed functions for .NET Framework are widely available."
"Microsoft .NET Framework reduces the cost of entry and enables the development of applications with mature and enterprise features, thereby lowering the entry barriers."
"The most valuable thing about Microsoft .NET Framework is that it is an enterprise-grade language and platform."
"If we take low code, no code platform such as RPA platforms, you might end up writing 100 lines of code and you might do it in a single line of code using. NET."
 

Cons

"IBM WebSphere Application Server hasn't changed much. It's still a heavyweight for any company compared to what you get. Unless your code base is deeply linked with it, I don't think it's a great idea to go with this solution. The current trend is toward modularity and containerization, and given the product's requirements, containerization will be difficult. There is a memory requirement as well."
"The support could be a bit more responsive."
"WebSphere is very cumbersome and not user-friendly. It used to have its own JVM, which presented challenges such as different architecture and memory leaks."
"The solution could improve the integration."
"What could be improved in IBM WebSphere Application Server is its interconnection with other products, for example, Kafka. What I'd like to see in the next release of the solution is a better graphical user interface."
"The current trend is to move to Liberty because of the portability of its cloud and its Kubernetes, which containerize the application."
"I think in some moments, the security was a little bit more complex to configure when it was delegated to other systems, making it an area where improvements are required."
"The footprint could be reduced so that we can use a smaller virtual machine to run the application. We could also use more scripts. I would like this solution to be more script oriented, rather than GUI oriented."
"In the realm of Microsoft .NET Framework, particularly in the C# language, there have been significant developments that I find highly commendable. I am genuinely fascinated by the continuous evolution of the language, and staying abreast of the latest features in Azure is both challenging and enjoyable. Working with C# in Azure is particularly fantastic. I appreciate in .NET, as compared to Java, is the enforcement of types, providing a better experience in terms of technicalities. Additionally, the introduction of Roslyn in the past few years has brought about the concept of late .NET, which I find interesting and powerful. This allows for the transformation of symbolic code just before execution, eliminating the runtime decision-making process and enhancing efficiency. However, late .NET does come with a drawback – a delay in the last-minute computation when starting an executable. While some may find this less appealing in terms of instant responsiveness, especially in serverless cloud environments, the efficiency gained from executing strictly binary code is valuable. Despite potential drawbacks like the time required for activation, I view .NET favorably for its technical advancements and efficiency, especially in scenarios such as serverless cloud computing. It's essential to recognize the intricacies of how .NET processes code and the efficiency it brings, which some may overlook."
"I would like to see a better response time from the technical support."
"The pricing is a bit expensive."
"You need to have the technical expertise to use this product."
"Needs stronger security with respect to cloud issues."
"This solution should include Power BI so that we don't have to use any third-party tools."
"There may be some topics regarding connectivity and management of certificates that require attention. We are currently facing some issues."
"The runtime environment for ASP.NET needs improvement to make it more universal."
 

Pricing and Cost Advice

"The licensing cost is 1,000 of euros for a 30-year table."
"The pricing is a little expensive."
"There is an Eclipse Plugin provided by IBM, so no need to buy IBM Rational Application Developer or Rational Software Architect tools."
"When you purchase Maximo, you get WebSphere for free."
"The price of IBM WebSphere Application Server could be less expensive and there is an annual license required for this solution."
"We used to pay about $100,000-$120,000 US or somewhere around there. That was a bit cost-prohibitive for us to continue."
"It costs more than some of the others, but, you get what you pay for."
"Room for improvement would only be in the licensing. As with all IBM products the licensing can be complex and expensive. Bargain well and try to get as much discount as possible. Discounts of 85% are possible. Without the discount, I think the product is overrated."
"Microsoft .NET Framework is free of cost."
"Microsoft .NET Framework is very cost-effective for corporate users."
"The Microsoft .NET Framework is free of charge, without licensing cost."
"Do your homework. Consider the partnership program."
"Considering the bigger picture, opting for the Microsoft ecosystem can be beneficial and it is priced well. When relying on entirely open-source solutions, you may encounter challenges associated with dealing with multiple vendors and potentially compromised security measures. However, it is important to note that Microsoft could enhance its performance when it comes to addressing critical security concerns."
"The pricing could be cheaper."
"It's an expensive solution"
"There is a Community Edition that can be used free of charge, but the licensing cost for the Enterprise version is quite high."
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Top Industries

By visitors reading reviews
Financial Services Firm
28%
Comms Service Provider
8%
Computer Software Company
7%
Construction Company
6%
Construction Company
19%
Outsourcing Company
14%
Financial Services Firm
9%
Real Estate/Law Firm
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise6
Large Enterprise23
By reviewers
Company SizeCount
Small Business28
Midsize Enterprise10
Large Enterprise23
 

Questions from the Community

What is your experience regarding pricing and costs for IBM WebSphere Application Server?
At Royal Bank, which is a major IBM customer with mainframes and numerous IBM products, they have a specific agreement regarding pricing. The pricing structure for large enterprise customers differ...
What needs improvement with IBM WebSphere Application Server?
IBM WebSphere Application Server is currently at version 9.0.5.23. In recent months, they released fix 23, as they periodically release fixes. Previously, they frequently increased versions, but no...
What is your primary use case for IBM WebSphere Application Server?
I was part of an application where I integrated IBM WebSphere Application Server with Node.js and Blue Prism. I did a lot of REST applications because at my core, I'm a developer. Currently, I'm an...
What is your experience regarding pricing and costs for Microsoft .NET Framework?
I don't know about pricing. I'm paying for Visual Studio, even though I'm not using the new version yet. Prices can always be better, but I think for the environment provided, the prices are accept...
What needs improvement with Microsoft .NET Framework?
The Visual Studio ID that we are using requires more RAM and IP. Sometimes it goes high on this phone exchange, and it crashes sometimes. We have to review this with Microsoft itself. That is somet...
What is your primary use case for Microsoft .NET Framework?
We have been using the Viasat QoS, which is a web application platform. We are using a part of this web application. Regarding Nexity, we are not getting whatever they are offering, but it is fine ...
 

Also Known As

WebSphere Application Server
MS .NET Framework
 

Overview

 

Sample Customers

TalkTalk, Property management group, E.SUN Bank, Ohio National Financial Services, Aviarc, Cincom Systems, FJA-US, D+H, Staples, Michigan Municipal League
Curtin University, Rockwell Automation, Aruba Networks, Insurity Inc., City of Barcelona, Pennsylvania DCNR, University of Petroleum and Energy Studies, A1 Telekom Austria AG, Eastman Chemical Company
Find out what your peers are saying about IBM WebSphere Application Server vs. Microsoft .NET Framework and other solutions. Updated: September 2026.
913,683 professionals have used our research since 2012.