Passenger is a new IDE for C# and .NET, written in C# and Avalonia:
https://passenger-ide.net
https://github.com/Zaneris/passenger
PassengerPassenger: an IDE for C# and .NET, written in C#Performance and memory profiling, a debugger with Hot Reload, and XAML tooling for Avalonia and WPF, free and open source under MIT, with an MCP server your coding agent drives it through. For Windows, macOS and Linux.