RoslynPad

A cross-platform C# editor based on Roslyn and AvalonEdit

Installing

You must also install a supported .NET SDK to allow RoslynPad to compile programs.

| Source | | |-|-| | GitHub | | | Microsoft Store | <a href="https://www.microsoft.com/store/apps/9nctj2cqwxv0?ocid=badge"><img src="https://get.microsoft.com/images/en-us%20light.svg" height="50" alt="Microsoft Store badge logo" /></a> | | winget | winget install --id RoslynPad.RoslynPad |

Running on macOS

1. Open the .dmg file and drag RoslynPad to the Applications directory.
2. On the first run:
   • macOS Sonoma or earlier - Right click the app on Finder and select Open. You will be prompted that the app is not signed by a known developer - click Open.
   • macOS Sequoia you must go to Settings > Privacy & Security to approve non-notarized apps after the first run attempt.
   • For more information see Open a Mac app from an unknown developer.

Packages

See Packages for more information.

Building

To build the source code, use one of the following:

• dotnet build
• Visual Studio Code with the C# extension
• Visual Studio 2026 (Windows only)

Features

Completion

Signature Help

Diagnostics

Code Fixes