passenger
An open-source IDE for C# and .NET, built with Avalonia, for Windows, macOS and Linux: a Roslyn-powered editor, its own debugger with Hot Reload, a CPU and memory profiler, XAML tooling for Avalonia and WPF, and an MCP server for coding agents.
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Why now
Version v0.2.4 came out on November 1.
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In short
The README covers Windows, macOS and Linux and mentions a coding-agent MCP server, but does not spell out the .NET SDK or Docker prerequisites for the container and Aspire features. Users typically run it from the app's own installers.
Summary written by AI from the repository’s description and README.
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#1 Riser Of The Week in Editors & IDEs
Reached on October 25, 2026
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