.NET Alternatives (January 2026)

.NET

What is .NET? An open-source developer platform.

https://dotnet.microsof.com/en-us/learn/dotnet/what-is-dotnet/

.NET is a free, cross-platform, open-source developer platform. .NET has languages, editors, and libraries to build for web, mobile, desktop, games, and IoT.

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1.
Visual Studio Code - Code Editing. Redefined
https://code.visualstudi
.com/

Visual Studio Code is a code editor redefined and optimized for building and debugging modern web and cloud applications.  Visual Studio Code is free and available on your favorite platform - Linux, macOS, and Windows.

2.
Rider: The Cross-Platform .NET IDE from JetBrains
https://www.jetbrain
.com/rider/

Develop .NET, ASP.NET, .NET Core, Xamarin or Unity applications on Windows, Mac, Linux

3.
.NET UI Controls & Components for Developers of Mobile, Desktop, Web, BI Reporting Apps
https://www.devexpres
.com/

DevExpress provides best-in-class UI controls, tools, and frameworks for WinForms, ASP.NET, MVC, Blazor, ASP.NET Core, WPF, VCL, Xamarin, and JavaScript developers.

4.
Microsoft Build of OpenJDK
https://www.microsof
.com/openjdk/

The Microsoft Build of OpenJDK is a new no-cost long-term supported distribution and Microsoft’s new way to collaborate and contribute to the Java ecosystem.

5.
Windows SDK - Windows app development | Microsoft Developer
https://developer.microsof
.com/en-us/windows/downloads/windows-sdk/

The Windows SDK for Windows 11 contains headers, libraries, and tools you can use when you create apps that run on Windows.

6.
libGDX - libGDX
https://libgd
.com/

libGDX is a cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, macOS, Android, your browser and iOS.

7.
Welcome to Apache NetBeans
https://netbeans.apach
.org/

Apache NetBeans

8.
Cross platform RAD development tools | B4X
https://www.b4
.com/

B4X is a programming language and a set of cross-platform RAD development tools that allow complete beginners, citizen developers, and professionals to build real-world Android, iOS and desktop solutions

9.
Platform Home • Particular Software
https://particula
.net/

Makers of NServiceBus, the most developer-friendly distributed systems platform for .NET…