While we're on this topic, does anyone know ready-to-use open source map dashboard (preferably 3D, but I'm fine with 2D) to show signups or any event of interes

While we're on this topic, does anyone know ready-to-use open source map dashboard (preferably 3D, but I'm fine with 2D) to show signups or any event of interest? I want to display it on TV showing our user signups. Reminds me of X-COM.