VirtualRender is described as 'Is yet another LightWave renderer. The difference from other solutions is that it does not use physical memory for framebuffer allowing to render the biggest imaginable scenes without using virtual memory, which slow down rendering a lot, or which immediately' and is an app. There are more than 25 alternatives to VirtualRender for a variety of platforms, including Windows, Mac, Linux, Autodesk 3ds Max and Sketchup apps. The best VirtualRender alternative is Adobe Dimension. It's not free, so if you're looking for a free alternative, you could try LuxCoreRender or MoonRay. Other great apps like VirtualRender are V-Ray, POV-Ray, Keyshot and RenderMan.