dev-dotnet/dotnet-sdk .NET Core is a cross-platform version of .NET for building websites, services, and console apps
dev-dotnet/libgdiplus An Open Source implementation of the GDI+ API
dev-dotnet/mono-addins A generic framework for creating extensible applications
dev-dotnet/msbuild The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio


mono Various things related to the Mono C# language (core)
CleverCloud Clever Cloud's exherbo repository (third-party)
hasufell hasufells user repository (third-party)