This is a .NET wrapper for the immediate mode GUI library, Dear ImGui (https://github.com/ocornut/imgui). ImGui.NET lets you build graphical interfaces using a simple immediate-mode style. ImGui.NET is a .NET Standard library, and can be used on all major .NET runtimes and operating systems. Included is a basic sample program that shows how to use the library, and renders the UI using Veldrid, a portable graphics library for .NET. By itself, Dear ImGui does not care what technology you use for rendering; it simply outputs textured triangles. Example renderers also exist for MonoGame and OpenTK (OpenGL).