Several experts have long predicted that .NET Core would soon become the next big thing, providing developers a fertile ground for exploring various novel approaches to creating cutting-edge applications. Thus, there is always debate on .Net Core VS .Net Framework

Definition of .NET Core and .NET Framework

Today, In this detailed outline, we will solve the puzzle of the .NET Platform for you, along with the Differences between .Net Core VS .Net Framework. Let’s begin with the understanding of what .NET Core and .NET Framework are.

What is .NET Core? with A Brief History

Microsoft’s .NET is a mainstream objective buildout platform that is open-source, completely free, and high-performance. It provides a framework that works on several platforms, including Mac OS, Linux, and Windows, so businesses can easily build and deploy cloud-based, web-based applications. 

As a result of its single cross-platform code base and active, responsive, and well-resourced team, .Net Core offers improved stability and amazing performance compared to Mono.

As it was built from scratch, Net Core is quick, small, and highly customizable. This opens the door to a thrilling time in the history of .Net for the Web and server applications. These applications save memory use and speed up performance, and need little in the way of upkeep.

.net history

A brief history of .NET

It isn’t a recent topic; the .NET strategy of Microsoft has been running since the late 90s. Microsoft’s founder Bill Gates said the company will “build foundations for the future generation’s World wide web.” 

The project’s overall goal was to unify all Microsoft offerings by adding the.NET suffix to their current names. As NGWS or Next Generation Windows Services, the.NET Framework used to be referred to in the 2000s. The original.NET approach was a failure, as was the name, but today everyone calls it the.NET Framework.

While we will outline the differences between “net core vs. net framework,” here is a quick timeline tour showing the history of .Net.

history of .net

The.NET Framework was utilized by 34.55% of respondents in 2022. At the same time, ASP.NET Core and ASP.Net was ranked 7th and 8th most used web frameworks among developers as of 2022.

What is .NET Framework?

The ASP.NET Framework is a set of tools for creating and managing Windows-based applications. Resources like programming languages and libraries are part of this Framework’s toolkit. 

Let’s define Framework before trying to get our heads around “.NET Framework.” The Framework is a platform for reusing the design of software systems; it facilitates the use of code libraries and several different scripting languages. 

Put another way, a framework is a tool that simplifies the process of writing programs. One such Framework is .NET Framework to create and execute programs on Windows.

You can also build many online mediums, including websites, web services, and video games, with the .NET Framework. Applications written with the Dot Net Framework may be run on various platforms, including JScript, Visual Basic, C++, etc.

Also Read : How To Build a Web Application From Scratch With No Experience!!

Key Differences between .NET Core and .NET Framework

Now we thoroughly understand what .NET Core and .NET Framework are. Let’s compare Dot net core vs dot net framework and see what sets them apart. 

Here is the complete breakdown for the Dot net core vs dot net framework.

Here is the complete breakdown for the Dot net core vs dot net framework.

Parameter .NET Core .NET Framework
Platform compatibility The fact that .NET Core works on several platforms (Windows, Linux, and macOS) sets it apart from the competition. To aid companies in developing cross-platform applications, .NET was completely re-architected to create .NET Core. Nevertheless, the.NET Framework adheres to a closed-source architecture that limits the use of its supported technologies to the Windows platform. Suppose your company wants to commit to a long-term deployment of a cross-platform framework. In that case, the.NET Framework is the best option.
Deployment and installation Since it is cross-platform, you may install .NET Core in any environment without regard to the underlying system’s operating system. To use the.Net Framework on Windows, we must download and install just one package containing all the necessary runtime components.
Dependency management Due to the incremental nature of.NET Core updates, any pre-existing applications are unaffected by creating new folders and subfolders that are part of the upgrade Process. As a result, .NET Core delivers a stable and customizable deployment strategy. IDE When an upgraded version of the.NET Framework is launched, it is first distributed solely on the IIS. 
Performance and scalability Recently released versions of .NET Core have shown impressive levels of scalability and performance. Microsoft recommends ASP.NET Core for high-performance system requirements, especially when microservices are involved. .NET Core is 7–13 times quicker than .NET Framework in several independent tests. In contrast to the.Net Core, the.Net Framework’s speed and scalability are comparatively slow.
API support and functionality It does not support REST APIs. It also supports REST Services.
Open-source availability .NET core is completely Open-Source.  There are several components of the .NET Framework which are open-source.
Security Since.NET Core lacks support for features like Code Access Security,.NET Framework has an advantage. The.NET Framework has a code access safety mechanism.
Support for Microservices Developing and running Microservices is supported by Net Core, which also permits a variety of technologies that may be minimalized individually. For example, the.Net Framework doesn’t support developing and running microservices written in various languages.

Let’s examine the primary distinctions between Dot net core and dot net framework:

Microsoft has built and maintains the .Net Framework. It is Windows-based and operates mostly on Windows-powered devices. It is used for the creation of both desktop and online applications. The Framework covers all the fundamental application development needs, including APIs, UI, DB connection, etc.

.Net Core was created with various requirements and objectives, concentrating on Web Development, Windows Phone Development, and Windows Store Application Development.

They share a set of libraries necessary for the execution of any program. This category includes runtime libraries, compiler libraries, data types, etc. These shared libraries include the definitions for all the fundamental components. This seldom changes and is hence the foundation for everything .Net stack frameworks.

.Net Core is developed with the needs of the future in mind. It is cross-platform compatible, lightweight, packaged in compact bundles, and simple to update over time. Net Framework is more focused on offering a comprehensive package for creating and using applications, alleviating developers of the burden of locating the appropriate libraries.

Advantages of .NET Core

Now that we have outlined the key differences between .Net Core VS .Net Framework, let’s quickly shift to the benefits and advantages of .NET Core.

You can say that .NET Core is portable, lightweight, and simple to update. It comes in compact packages that are straightforward to install. The.NET Framework is a comprehensive set of tools for programmers to develop software. This facilitates choosing the best libraries for the job.

Using up-to-date libraries and languages, .NET Core provides a significant performance boost. You may utilize different .NET versions in the same project, and it’s more lightweight and modular than the .NET Framework.

.NET Core is an improved version of the original .NET Framework. You should consider developing several platforms and devices to create new apps and improve infrastructure. 

Cross-platform Compatibility

.NETCore runs on several platforms, including Windows, Linux, and macOS. By providing advanced features like debugging and IntelliSense, VS Code can meet the most demanding requirements of code editors. 

With .NET Core, the chances of your business getting success increase enormously.  Look at the required tools and integrated development environments (IDEs) to achieve optimal efficiency while choosing the best technology for your application. 

The greatest ones might cost hundreds of dollars, while the others are usually free. With.NET Core and its hosting flexibility, you may move to Linux and choose a provider with a reasonable service level agreement (SLA). 

Faster Performance,

The speed of .Net Core is an additional benefit. When we consider the origins of ASP.NET—both in Web Forms and in MVC—we see a great deal of legacy code now in use, and that performance isn’t always one of the better points.

Kestrel is one method via which ASP.NET Core achieves significant speed. When run on the popular open-source server “Libuv,” known as “Kestrel,” ASP.NET achieves top results in industry benchmarks. The speed of.NET Core and ASP.NET has increased with each new version.

Open-source availability

The nicest part of using an open-source framework is that you may tailor the code to your needs and preferences instead of being forced to copy the master and adopt their methods of operation blindly. As an open-source framework, ASP.NET Core may add new features and components to the code on GitHub as needed.

In addition to this adaptability, the user is backed by a massive community willing to help and provide advice by sharing their insights, ideas, and code. The responsive and timely.NET Core Community saves the user time and makes the development process more flexible.

Cloud Based Support

Companies increasingly lean towards cloud-based services and apps because they reduce or eliminate the need for on-premises hardware and software, freeing end users from burdens such as capital expenditures and routine upkeep. 

In addition to its mobile backend, ASP.NET core may be deployed in the cloud and used to create web and Internet of Things (IoT) applications. With its excellent support for data storage and recovery, ASP.NET Core proves to be a solid platform for web-based apps hosted in the cloud.

Cost Effective

One of the first things you should consider when deciding which technology to use for your application is the IDEs and tools that will be required to work with that technology or that will make the developers more efficient.

Many are free, but the better ones often have license prices of hundreds to thousands of dollars per developer each year.

Whether you’re a small business seeking to break into a new market or a large corporation with a solid foothold in the industry, you could probably put that cash to use elsewhere better, maybe earning a larger return or saving it.

Regarding infrastructure, .Net Core and the abundance of hosting alternatives provide complete flexibility to move to Linux and use whatever provider you like, based on which one offers the best service level agreement (SLA) or the lowest overall cost. In addition, you may use the services of any cloud provider to host your application online (such as Azure).

There is no need to utilize a commercially available program. Therefore you are free to switch to an alternative, such as PostgreSQL, that is available under an open-source license.

Even if money isn’t a concern, avoiding unnecessary expenditures allows your company more leeway, and maybe even more room to spend on staff training and R&D.

Advantages of .NET Framework

Modern versions of the.NET Framework make upgrading speed, security, and overall ease of use simpler than ever before. The .NET Framework is compatible with all versions of Visual Studio, which is very useful in collaborative settings. 

You may join the biggest development group on the globe. This ensures that millions of engineers can maintain your code for you if you decide to publish it. 

Microsoft provides consistent updates for the.NET Framework, which it actively supports. With Microsoft’s support, you can be certain that your software will get timely updates that address any vulnerabilities. Upgrading has several upsides beyond merely having access to new programming languages and frameworks.

Scalability and Reliability,

The “.Net framework” for web development is reliable and robust when creating business applications. As a result, it’s been widely adopted by companies of all sizes.

It offers a stable and scalable platform for enhancing commercial applications, allowing for more speed and efficiency with the aid of Visual Studio. The ASP.Net Framework for creating websites automatically modifies itself to meet the evolving needs of the internet.

Safety and Security

The dot net architecture also provides safety and security for all users, which is very important for company owners. This is achieved by allowing them to use obstructive obstacles in their code through dot net required permissions and other enforcement. Both of these characteristics aid in keeping harmful code from gaining access to sensitive data or preventing it from carrying out dangerous actions.


The “.Net system framework” facilitates capabilities for interoperability with unmanaged applications using invoke services. For instance, the dot net framework continually enhances its support for runtime C++ interoperability, COM interoperability, and the InteropServices namespace.

Massive Community Support

Since the release of. NET’s as open source, a sizable group of programmers has been working to improve the Framework. All developers, from the most seasoned to the greenest, are included. In our group, everyone is happy to provide a hand to any beginner programmer who wants to learn. So, you may most likely address any problem with such aid.


The.Net Framework’s adaptability is a major strength. This feature, for instance, has many deployment options and may be used alone or in tandem with your existing application. Because of its modular layout, it can accomplish these tasks without you having to worry about missing any prerequisites. 

Use Cases for .NET Core and .NET Framework

Here are the top Startups using Asp.Net Core:

  • Slack
  • SpaceX
  • Microsoft Teams
  • GoDaddy
  • Raygun
  • AccuRX
  • Mews
  • DraftKings
  • Smartsheet
  • Chegg.

Here is the list of businesses using the .NET Framework.

  • StackOverflow
  • BBC Good Food.
  • Windows Services
  • Forza Horizon.
  • American Cancer Society.
  • Allegiance Consulting.

What Are The Key Points When Migrating From .NET Framework to .NET Core?

Here are a few considerations for migrating from .NET Framework to .NET Core. 

Center your efforts on the.NET Standard Library

The.NET Standard Library is a collection of Microsoft-created classes and APIs intended to work with any.NET Framework application. Hence, if you want to create a library that you can use across several platforms, the.NET Standard Library is your go-to option.

Evaluate Dependencies on Third Parties: An Analysis

Realizing the impact of .NET Core third-party dependencies is essential. A simple way to check is to visit the NuGet website and look in the ‘Dependencies’ section to see whether they are NuGet packages. 

Your team should test these packages to ensure they are bug-free and do not use unsupported APIs.

Check on Categories of Migration

Selecting a migration method depends on how you build and deliver software. Determine where your project falls in your migration strategy based on the volume and complexity of Windows-specific code.

Importance of Retargeting

Aim your ported projects at.NET Framework 4.6.2 if you must. This guarantees that you may replace unsupported APIs in the .NET Framework with equivalents for particular targets. Using the “Target Framework” command in Visual Studio and recompiling the projects does this rapidly.

Carry out the Migrate Strategy

Convert your project’s.csproj files to the required Microsoft.NET.Sdk.format as part of the migration process. Update your C# code to.NET/Core/.NET Standard. This includes the commonality of both the Windows and .NET Core code bases. Find a dependency network representing the solution and start with the lowest-priority projects. 

This suggests you should switch to working on standalone projects immediately. The current Framework, including the.NET Standard version, may need to be maintained if several solutions stake claim to a project. 

Keep Windows-specific or otherwise difficult-to-port portions of your code in the.NET Framework. You can always figure out how to transfer them in the future. One option is to rewrite the code from scratch while using existing compatible libraries. Start fresh with .NET Core projects when porting them. 

Lastly, start a fresh.NET Core solution and bring in all the transferred projects. When done, you’ll have a fully.NET Core-based application.

Conclusion | .NET Core Vs .NET Framework

Which should you use: .NET Framework or .NET Core?

.NET Core should be employed in an application server when —

  • There is a need across platforms.
  • Using Docker containers or focusing on microservices.
  • Requirement for systems with great performance and scalability
  • Parallel.NET version requirements per application.

.NET Framework is recommended for a server application when –

  • The application will only operate on Windows.
  • If the app uses.NET Framework features that are not supported by.NET Core.
  • Existing.NET Framework-based applications.

Net Core offers us a lightweight CLI (Command Line Interface), which most developers prefer over IDE (Integrated Development Environment). .Net Framework is a program that allows Windows-only application development and execution. 

It’s 2023, the .NET will stay long, and the discussion between .NET Core vs .NET Framework will undoubtedly continue. Both are efficient and preferred in various IT projects; your decision may rely on your company strategy. Microsoft will develop patches and improvements to better both systems, so you may have difficulty choosing between them. 

We propose you decide on your budget, development experience, and project scope. Following these procedures will protect you from under-provisioning or over-provisioning regarding resources.



Which Technology is better and superior, .NET Core or .NET Framework?

This option is entirely dependent on the developer; if you need to build your project from scratch, need to execute it on various platforms, and need deal with the command line interface. If microservices are necessary for software development, you should choose .NET Core. But, you should choose .NET Framework if you already have a working prototype, your project runs only on Windows, you need to implement security measures, and you want to build WPF Apps or ASP.NET web forms.


Is .NET Core replacing .NET Framework?

In simple Yes or No option - IT’s A CLEAR NO. Businesses may utilize both the .NET framework and the .NET Framework depending on the project's requirements.


Why convert .NET Framework to .NET Core?

There are now more developers interested in using.NET Core than there were using. NET Framework. .NET Core's many benefits—including its accessibility, portability, modularity, and performance—have contributed to its rapid adoption.
About Author

Jayanti Katariya is the CEO of Moon Technolabs, a fast-growing IT solutions provider, with 18+ years of experience in the industry. Passionate about developing creative apps from a young age, he pursued an engineering degree to further this interest. Under his leadership, Moon Technolabs has helped numerous brands establish their online presence and he has also launched an invoicing software that assists businesses to streamline their financial operations.

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