C# and .NET
Modern & Versatile
One language to build web, mobile, desktop, cloud, IoT, and AI applications. Its rich features make development productive and enjoyable.
Powerful & Performant
As a compiled language with incredible optimizations from the .NET runtime, C# delivers high performance for demanding enterprise applications and games.
Open Source & Cross-Platform
With .NET, C# runs anywhere—on Windows, macOS, and Linux. A vibrant community and the .NET Foundation ensure its future is bright and open.
What Can You Build with C#?
Web Applications
Create fast, secure, and scalable web APIs and applications with ASP.NET Core, one of the world's most performant web frameworks.
Mobile & Desktop Apps
Build beautiful, cross-platform apps for iOS, Android, Windows, and macOS with a single shared codebase using .NET MAUI or other frameworks like Avalonia.
Video Games
Power your creativity with Unity, the world's leading real-time 3D development platform, which uses C# as its primary scripting language.