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C# Online Compiler | .NET Fiddle
Write, run, and share C#, VB.NET, or F# code directly in your browser with .NET Fiddle's online code editor—no installation needed.
Run and share C# code instantly online
With .NET Fiddle, you can write, test, and share C#, VB.NET, or F# code right in your browser. There's no need to install anything—just open the site, type your code, and run it instantly.\n\nWhether you're learning, prototyping ideas, or collaborating with others, .NET Fiddle makes it easy to save and share code snippets. You can fork examples, tidy up your code, and even view IL for deeper exploration.\n\nIt's a handy tool for developers, students, and anyone curious about .NET languages who wants a quick way to experiment and collaborate online.
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CodeMirror is a flexible code editor component for the web, offering powerful editing features and easy integration for building interactive coding tools.
Bricx Command Center is a free IDE for programming LEGO Mindstorms robots, helping you write, edit, and upload code easily to your robot projects.
Dev-C++ is a free, open-source C and C++ IDE for Windows, offering tools for coding, compiling, and debugging in an easy-to-use environment.
JSFiddle lets you write, test, and share JavaScript, HTML, and CSS code online—perfect for quick experiments, demos, and collaborative coding.
LINQPad lets you write, test, and run C#, F#, and VB code instantly. Explore databases, experiment with code, and debug in a quick, flexible workspace.
Worldwide Dotnetfiddle.net Alternatives
Edit, run, and share Kotlin code instantly online. Practice programming, test snippets, and learn Kotlin right in your browser—no setup needed.
RunJS is a desktop app that lets you write, run, and experiment with JavaScript and Node.js code, offering live feedback and helpful code suggestions.
Code With Mu offers an easy-to-use code editor and beginner-friendly tutorials to help you start programming quickly in a simple environment.
Trinket lets you write and run code right in your browser, making it easy to learn, teach, and share coding projects on any device.
Create and edit code for LEGO MINDSTORMS EV3 robots using an easy Blocks or JavaScript editor—ideal for learning programming and robotics.
Write, run, and experiment with JavaScript code instantly in your browser—perfect for learning, prototyping, and quick testing with no setup required.
BlueJ is a free Java development environment designed to help beginners learn programming with simple tools and an easy-to-use interface.
Enhance Visual Studio Code with Dart and Flutter tools for editing, refactoring, and running Dart and Flutter mobile or web apps directly in your editor.
Create and test code for the BBC micro:bit using an easy blocks or JavaScript editor—perfect for learning programming and electronics online.
Run and share code online in multiple programming languages with Paiza.IO—an easy-to-use code editor and compiler you can access from your browser.
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