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Azul Zulu vs Microsoft .NET Framework comparison

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Comparison Buyer's Guide

Executive Summary

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

Azul Zulu
Ranking in Application Infrastructure
11th
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
3
Ranking in other categories
AI Customer Experience Personalization (25th), AI Content Creation (12th)
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 Azul Zulu is 3.6%, down from 4.0% 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%
Azul Zulu3.6%
Other92.3%
Application Infrastructure
 

Featured Reviews

BasilJiji - PeerSpot reviewer
System engineer at a retailer with 10,001+ employees
Standardized our Java estate and have reduced licensing costs while maintaining strong support
Azul Zulu's ability to allow us to standardize our Java estate on a single and well-supported platform stands out as one of its best features. This standardization simplifies our compliance audits and ensures all our applications receive timely security updates.Azul Zulu positively impacts our organization by providing a platform that allows us to standardize Java on a well-supported platform. Without the high cost associated with other proprietary vendors, Azul Zulu provides an excellent platform for running our applications.
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

"We've had no issues with stability."
"We achieved specific outcomes from using Azul Zulu by reducing our Java licensing and support costs by approximately 70% when compared to our previous Oracle contract."
"I joined this project which had already been underway for approximately six months, and in two months, I refactored the whole project and wrote it, and it is functional."
"The solution is user-friendly and straightforward."
"The most valuable feature is the financial accounting."
"With Microsoft .NET, the dynamic web content handling became easier and the Microsoft world of web became more programmable with use of reusable and redistributable web components and systems (building blocks)."
"Basically, .NET is simply is the easiest programming language to use, based on my experience."
"Microsoft has tested the solution and our experience with it has shown us that, while it is not as fast as some of our other software-devoted platforms, it is very stable."
"Using this framework has enabled us to create services out of things we used to do manually, making our lives easier and increasing productivity as well."
"It is easy to use, and it runs on a Windows platform."
"The new .NET Core has those middlewares, which are awesome from a security standpoint. With the old Framework or the newer Framework, middleware is basically an event pipeline. You configure and register it, and it handles things centrally. A simple example is logging. With the old Framework, you needed to try/catch blocks everywhere. Here, you configure the logging handler once, and it captures exceptions across the application. I really like the middleware pattern."
 

Cons

"Improvements for Azul Zulu could include more automated tools for unused code visibility integrated directly into the standard portal to help further optimize our cloud footprints."
"I think Azul Zulu can be improved by always thinking about productivity, as most languages tend to evolve in that direction."
"It needs a better update daemon. At this time the process is manual and could be an issue on multiple desktop deployments."
"In my opinion, this solution can be improved by providing out-of-the-box support for different types of libraries."
"One thing that could improve Microsoft .NET Framework is to give it more flexibility."
"Lacking in auto-scaling."
"Needs stronger security with respect to cloud issues."
"I would want the product to be integrated with the different AI tools in the future since it is one of the areas where the product has certain shortcomings."
"The integration capability of the product with AI is an area with certain shortcomings, where improvements are required."
"There is room for Microsoft .NET Framework to improve cloud platform capabilities."
"There are certain tools, such as Oracle, that this solution does not integrate well with. The performance is slow and the connection takes a long time."
 

Pricing and Cost Advice

Information not available
"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."
"Microsoft .NET Framework is a free, open-source solution."
"Do your homework. Consider the partnership program."
"It's an expensive solution"
"The product is not expensive."
"There is a Community Edition that can be used free of charge, but the licensing cost for the Enterprise version is quite high."
"The pricing could be cheaper."
"The Microsoft .NET Framework is free of charge, without licensing cost."
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Top Industries

By visitors reading reviews
Financial Services Firm
27%
Construction Company
12%
Manufacturing Company
10%
Government
8%
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
No data available
By reviewers
Company SizeCount
Small Business28
Midsize Enterprise10
Large Enterprise23
 

Questions from the Community

What needs improvement with Azul Zulu?
Improvements for Azul Zulu could include more automated tools for unused code visibility integrated directly into the standard portal to help further optimize our cloud footprints. The other core J...
What is your primary use case for Azul Zulu?
Azul Zulu serves as our primary Java runtime, providing a stable, 100% open-source, and certified solution for our production microservices. We utilize it to ensure cross-platform compatibility acr...
What advice do you have for others considering Azul Zulu?
My advice for others looking into using Azul Zulu is to perform a pilot migration with one non-critical application first. You will likely find that it is truly a drop-in replacement, which will gi...
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

No data available
MS .NET Framework
 

Overview

 

Sample Customers

Microsoft, Kyocera, OKI, Alcatel-Lucent Enterprise, Voya Financial
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 Azul Zulu vs. Microsoft .NET Framework and other solutions. Updated: September 2026.
914,109 professionals have used our research since 2012.