C# 2

Free AI code editor for building, debugging, and managing software projects Visual Studio Code is a free, open-source AI code editor from Microsoft for building, debugging, and managing modern web and cloud applications. It supports AI agents that can plan, code, and debug, as well as multi-agent workflows across Linux, macOS, and Windows. The editor also provides rich language support, extensions, integrated source control, debugging tools, terminals, remote development, browser access, and customizable themes and profiles.

Open-source UI framework for .NET web apps OpenSilver is a free, open-source UI framework for building modern .NET web applications in C# and XAML. It enables building applications that run on Windows, Android, Mac, Google Chrome, Firefox, and Safari. OpenSilver offers compatibility with Microsoft Silverlight and extensive WPF support, allowing developers to code in C#, VB, or F# and leverage enterprise-grade controls and libraries.