Experiment with C# and .NET APIs
Quickly try out C# syntax and .NET APIs, without needing to litter your filesystem with testing projects. Command-line autocompletion helps you find answers fast.
Install NuGet packages
Use the #r command to reference NuGet packages; the autocompletion window shows relevant method/class documentation.
Navigate to source code
Ever find yourself Googling for a library's source code? For NuGet packages and assemblies that support SourceLink, browse their original source code by simply pressing F12.
Reference your existing projects
The #r command can also reference assemblies by name and filepath, as well as your own .csproj and .sln files.
Dive into the IL code
Curious how a feature in C# works? Press F9 to view the IL code of any statement or expression you've typed.
Free and Open Source. Install it now by running:
dotnet tool install -g csharprepl