This article discusses software internally used by Apple.
Acquiring a copy without Apple's consent is illegal and may result in being scammed.
(latest known version)
AtlasUI is an internal macOS application made by Apple. Its purpose is currently unknown.
Like several internal macOS applications, AtlasUI is lacking
libInstantPudding.dylib. Because of this, it crashes almost immediately after launch, showing only the window found in the infobox to the right before doing so.