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IBM WebSphere Application Server vs Microsoft .NET Framework comparison

 

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
3rd
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
2nd
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
56
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the Application Infrastructure category, the mindshare of IBM WebSphere Application Server is 6.8%, down from 11.3% compared to the previous year. The mindshare of Microsoft .NET Framework is 4.7%, down from 5.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Infrastructure Market Share Distribution
ProductMarket Share (%)
Microsoft .NET Framework4.7%
IBM WebSphere Application Server6.8%
Other88.5%
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

"Starting with version 8, WAS provides a special folder called monitor deployment. Once you put the .war or .ear file in there, it is deployed automatically without human intervention. This greatly helps us in our continuous integration server. Once the deployment binary is ready, we write a script to copy it to that folder and then, voila! The application is up and running and accessible from its context root."
"We needed this type of integration and WebShepere is the best tool for it."
"Ease of administration: It has an Integrated Solutions Console, what we call the administrative console, with very detailed configurations and Help pages for each configurable item."
"The most valuable features are its user-friendliness and reliability in terms of application hosting."
"WebSphere Application Server's best features include the data subscription and connection viewer."
"The scalability of the product is quite good."
"IBM WebSphere Application Server is the ultimate product; there is nothing superior to IBM WebSphere Application Server, and while there are other options such as Tomcat, JBoss, and Oracle's solution, IBM WebSphere Application Server stands above them all."
"It has good stability of the application server in the long term compared to other solutions."
"The .NET framework is a mature platform that is very helpful and saves time during the software development process."
"The addition of generics to handle common functionality across types, and the more recent upgrade of the dataset to the Entity Framework, has cut development time drastically, while increasing quality and confidence between builds."
"I like that ASP.NET is used for the framework and the core web services."
"The technology is very scalable and accessible to use."
"The .NET Framework simplified operations dealing with the allocation and deallocation of memory spaces and the additional processing resources."
"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."
"Proven solution with valuable customization."
"The solution has assisted our organization in the full-stack development process. The tool can be deployed on all types of devices, including mobiles and desktops. The MAUI capabilities of the solution have been the most beneficial feature for our organization's development needs."
 

Cons

"The main issue we faced was its limited compatibility with non-Java technologies, which can result in difficulty detecting potential bugs and requiring additional integration efforts."
"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."
"I think that this is a good product but I think that the cloud environment could be improved. I think that the future is in the utilization of the product in a product as a service way which is something that is lacking at this moment."
"While WebSphere mostly supports IBM HTTP Server (IHS) as the web server plugin, I think it would be beneficial if it also supported Apache and NGINX web servers. That would give customers more flexibility in their choices."
"The licensing could be improved, and I would like it to give the longevity of the lifespan of the visions. In the next release, I would like to be able to download and extract the files so that I can just use my application server."
"Sometimes, I feel WebSphere runs a bit slow. It might be loading unnecessary libraries, impacting its performance compared to other application servers."
"It should be able to serve more concurrent requests like Oracle. Oracle has more powerful stability, availability, and real-time serving."
"I find the server okay, however, using the Maker instance, the Moving instance, and the Change instance is a little bit complicated without WebSphere knowledge."
"The product’s reliability needs improvement."
"There is room for Microsoft .NET Framework to improve cloud platform capabilities."
"The learning curve could be improved."
"The pricing is a bit expensive."
"They could enhance support for Python within Visual Studio, as integrating Microsoft products with other frameworks can present a steep learning curve."
"If Microsoft would provide a monthly subscription at a cost that a developer can afford then it would be really helpful."
"The product is nearing its sunset, and we think that by 2028, we won't get support anymore"
"The significant challenge is that you need an enterprise-level company to maintain software in Microsoft .NET Framework with a proper structure."
 

Pricing and Cost Advice

"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."
"I don't remember the price, but there are no additional costs."
"The pricing is a little expensive."
"When you purchase Maximo, you get WebSphere for free."
"The price of this product is higher than that of competitors."
"IBM WAS base is part of the deal when you purchase IBM FileNet P8 Content Engine."
"It is very expensive."
"In the interim, there's no need to purchase videos for viewing. Microsoft has made significant moves in the .NET space, starting with their response in Visual Studio Code and now providing Visual Studio entirely for free. This is a notable shift from the past when we used to pay substantial amounts for technical subscriptions. Previously, a group of ten developers could cost several thousand dollars annually for licensing. However, the current trend is to offer these tools for free to maintain their dominance in the developer market. The market dynamics have changed, and now developers can freely download Visual Studio, making it a preferred choice over other paid options."
"Microsoft .NET Framework is very cost-effective for corporate users."
"The solution is free but you need to pay for a license for the hosting service."
"The product is not expensive."
"The pricing could be cheaper."
"I rate the solution's pricing a two out of ten because .NET is an open-source framework. You don't have to pay for a license."
"We have an annual license, and we pay extra for extended support."
"The support is an extra cost when purchasing the license. The price of the solution is overall reasonable and paid annually or every three years. Additionally, they have a monthly license. The cost is approximately $1,000 per user."
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Top Industries

By visitors reading reviews
Financial Services Firm
34%
Computer Software Company
9%
Insurance Company
7%
Government
6%
Construction Company
15%
Real Estate/Law Firm
13%
Comms Service Provider
7%
Financial Services Firm
7%
 

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 Enterprise9
Large Enterprise23
 

Questions from the Community

What do you like most about IBM WebSphere Application Server?
Network Deployment is the most useful feature for scalability. It has many features within the standard WebSphere Application Server edition.
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 do you like most about Microsoft .NET Framework?
Microsoft .NET Framework continually innovates, particularly in Visual Studio, which focuses on improving languages, debugging, and .NET functionality.
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?
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...
 

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: February 2026.
881,384 professionals have used our research since 2012.