xunit.extensibility.execution by: jnewkirk, bradwilson

Includes xunit.execution.*.dll for extensibility purposes. Supports .NET 4.5.2 or later, and .NET Standard 1.1.

ZKWeb.System.Drawing by: ZKWeb.System.Drawing

This is a .Net Core compatible System.Drawing implementation modified from mono project, works on windows and linux. Please see project site for more information.